2003 Toyota 4Runner Engine Parts

Name: Stock Replacement Type Oil Pump Repair Kit
Brand: Melling
SKU: K334
Price: 166.99 USD
Rating: 4.5 (16 reviews)

Below you will find various in-demand Toyota Engine Parts, components and accessories for your 2003 4Runner. Advance Auto Parts has popular 4Runner parts like Valve Cover and Cylinder Heads, Engine Gaskets and Seals, Engine Mounts and more. You’ll also find aftermarket and OEM Engine Parts for other 4Runner model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2003 Toyota 4Runner Engine Parts below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 2003 Toyota 4Runner Engine Parts Categories

Engine Timing Belt Kit With Water Pumps

Engine Variable Timing Solenoids

Valve Cover Gaskets

Engine Timing Chain Kits

Oil Pan Gaskets

Camshaft Position Sensors

OE Engine Oil Coolers

Rear Main Seal Sets

Cylinder Head Bolt Sets

Plenum Gasket Sets

Crankshaft Position Sensors

Harmonic Balancers

Timing Belt Tensioner Springs

Cylinder Head Gasket Sets

Timing Cam Gears

Engine Mounts

Engine Variable Timing Solenoid Filters

Oil Pans

Timing Belt Component Kits

Valve Cover Plugs

Engine Timing Belt Kit without Water Pumps

Cylinder Head Gaskets

Crankshaft Seals

Timing Belts

Timing Belt Tensioners

Oil Caps

Camshaft Position Sensor Connectors

Engine Oil Dipsticks

Timing Chain Tensioners

O-Rings

Timing Cover Seals

Timing Idler Sprockets

Engine Valve Stem Seals

Water Connection Gaskets

Oil Pump Kits

Standard Piston Rings

Remanufactured Engines

Cylinder Heads

Camshaft Lubes

Engine Oil Pump Primers

Engine Assembly Lube

Essential Engine Parts for 2003 Toyota 4Runners

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$166.99

Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:

Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
Components are manufactured from high quality materials for durable wear
Components are precision engineered for optimum fit and function
Designed for long-life and worry-free performance

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$191.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Size: 3/4 in. x 10 in. x 12-1/4 in.
Medium duty applications
All except Chevrolet V8 applications
Two-pass design for increased cooling
Size: 3/4 in. x 10 in. x 12-1/4 in.
Medium duty applications
All except Chevrolet V8 applications
Two-pass design for increased cooling

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$113.99

Made In USA. Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.

Product Features:

Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up

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$3.99

This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$159.99

Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

Chrome plated top ring facings for enhanced performance under demanding conditions
Second rings seat instantly, properly control inter-ring pressure to improve cylinder sealing, provide efficient piston-to-cylinder heat transfer and aid in effective oil control
Oil rings are unequalled at controlling oil; design keeps tension uniform while assuring a positive seal
In the box: compression rings, rails and oil spacer

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$3.99

MAHLEÂ® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$136.99

Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.

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$60.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$79.99

A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:

Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
Manufactured in an anti-static environment to ensure reliability and stability.
Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.

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$32.99

Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service.

Product Features:

CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience

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$341.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$32.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function

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$10.49

Sealed Power parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

Formulated for pre-lubrication cam lobes, lifters & engine bearings
Increases load carrying capacity
Holds fast to surfaces
Exacting tolerances
Meets or exceeds OEM specifications
4.0 oz. Squeeze Container

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$11.49

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications.

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$42.99

Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:

Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
Offers noise reduction and minimum dimensional tolerances for precise valve timing
Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
Timing marks are applied on the belt for proper installation

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$182.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.

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$144.99

This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:

Built to meet or exceed OE fit, form and function
All components necessary for installation are supplied with pump
100% tested for reliable performance
Follow all enclosed instructions to maximize pump life and validate warranty
Additional Notes: Includes gasket

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$55.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Low friction, Minimum power consumption, High chemical resistance, Low breakaway torque after standstill.
Able to be used in applications with minimal lubrication.

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$20.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function

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$86.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$129.99

This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:

Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
Complete assembly – includes replacement pan and drain plugs to match original components
Durable design – high-strength coating prevents future corrosion
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$23.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Designed to meet or exceed OEM performance requirements
Refer to our online catalog for detailed application-specific information
Heavy Duty Chain Guide

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$978.99

Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:

All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
All threads and machined surfaces are and repaired with technology that exceeds the original metal
Non-sealing iron surfaces painted to prevent oxidization

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$28.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$324.99

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

Engineered for both domestic and import vehicle applications with a timing belt
Includes premium Dayco components and a tough, wear-resistant belt

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$41.99

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool
Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

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$89.99

Carquest Premium crankshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

Engineered with technology that provides increased accuracy with a stronger, more consistent signal
Sensors are based on proven hall effect and variable reluctance technology
Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
O-rings and seals are included if required.
Weather-tight connectors prevent leaks and corrosion for better reliability.
Extensive design validation testing and 100% end-of-line tested.
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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$117.99

DENSO’s crankshaft position sensors are manufactured to the stricktest OE standards resulting in unsurpassed reliability durability and detection accuracy. DENSO’s crankshaft position sensors offer leading edge sensing technology which helps control ignition timing more precisely.

Product Features:

OE technology adapted for the aftermarket
Reduces emissions, increased performance
Delivers the highest reliability and detection accuracy

Upgrade your 2003 Toyota 4Runner with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2003 Toyota 4Runner, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Toyota or enhancing its overall performance, Engine Parts are key to keeping your 4Runner functioning at its best. At Advance Auto Parts, we offer a wide selection of 130 Engine Parts for the 2003 Toyota 4Runner, designed to meet your needs without breaking the bank. From Valve Cover and Cylinder Head replacements to Engine Gaskets and Seals upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2003 Toyota 4Runner at great prices. Our Engine Parts inventory for this model ranges from just $1.79 to $4,694.99, with an average price of $173.73. Our 130 Engine Parts in stock come from 23 trusted brands, so you’re sure to find the right part for your 2003 Toyota 4Runner without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Toyota 4Runner, we stock popular OEM and aftermarket Engine Parts from top names like Felpro, Dorman, Imperial, and more. Felpro Engine Parts start at just $7.49 and boast an impressive 4.6 stars average rating from customers. Dorman and Imperial also bring quality to the table, with Engine Parts available starting at $11.49, and at an average 4.2 stars rating. With 872 customer reviews and counting, our 2003 Toyota 4Runner Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Toyota 4Runner is always ready to roll. We’re committed to providing you with everything you need to keep your 4Runner in top shape, all in one place. Start shopping confidently below for your 2003 Toyota 4Runner!

Best-Selling Valve Cover and Cylinder Heads for 2003 Toyota 4Runners

Enhance the driving experience in your Toyota with 23 quality Valve Cover and Cylinder Head components, starting at $28.99.

show more show less

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$83.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
Validated for fit, form and function
Unsurpassed quality you can trust

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$28.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$35.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
Validated for fit, form and function
Unsurpassed quality you can trust

from

$287.99

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

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$79.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$73.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$74.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$77.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$288.99

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$646.99

All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
All threads and machined surfaces are and repaired with technology that exceeds the original metal
Non-sealing iron surfaces painted to prevent oxidization

from

$646.99

All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
All threads and machined surfaces are and repaired with technology that exceeds the original metal
Non-sealing iron surfaces painted to prevent oxidization

from

$568.99

All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
All threads and machined surfaces are and repaired with technology that exceeds the original metal
Non-sealing iron surfaces painted to prevent oxidization

from

$568.99

All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
All threads and machined surfaces are and repaired with technology that exceeds the original metal
Non-sealing iron surfaces painted to prevent oxidization

from

$288.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$287.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$83.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Head bolt replacement recommended.
Torque-to-yield bolts are designed so that they can be elongated beyond their elastic limit into the plastic region without problems.
When a specific tightening torque has been reached, the bolts are turned further through a defined angle, which pre-loads them into the plastic region. Consequently, no retorquing is necessary.

from

$79.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$77.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$74.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$73.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$47.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

PermaTorqueMLS head gaskets are built to meet or exceed all original equipment specifications
Unsurpassed quality you can trust

from

$35.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Head bolt replacement recommended.
Torque-to-yield bolts are designed so that they can be elongated beyond their elastic limit into the plastic region without problems.
When a specific tightening torque has been reached, the bolts are turned further through a defined angle, which pre-loads them into the plastic region. Consequently, no retorquing is necessary.

from

$28.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

Most Popular 2003 Toyota 4Runner Engine Gaskets and Seals

Customize your Toyota with 17 Engine Gaskets and Seals products like Valve Cover Gaskets, Oil Pan Gaskets, and Plenum Gasket Sets, all priced under $78.99.

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from

$37.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

from

$3.99

MAHLEÂ® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$68.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

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$17.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

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$21.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function

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$56.99

RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
COVERAGE – Available for domestic and foreign nameplate vehicles

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$78.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$71.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Application specific molded rubber construction.
Engineered cross section.
Includes all components required to complete the repair.

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$56.99

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Low friction, Minimum power consumption, High chemical resistance, Low breakaway torque after standstill.
Able to be used in applications with minimal lubrication.
Thermal properties with a wide range of operating temperatures.

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$41.99

RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
COVERAGE – Available for domestic and foreign nameplate vehicles

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$41.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Low friction, Minimum power consumption, High chemical resistance, Low breakaway torque after standstill.
Able to be used in applications with minimal lubrication.
Thermal properties with a wide range of operating temperatures.

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$39.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$25.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$17.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

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$13.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$11.49

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications.

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$8.49

Victor Reinz Reinzosil is a permanently elastic, universal silicone sealing compound that is resistant to extreme temperatures, mineral oils, numerous synthetic oils, lubricants, gasoline, diesel/biodiesel fuels, greases, hot and cold water, detergents, sunlight, ozone, and salt water. Its durability, flexibility, and versatility make it a favourite among import car repair specialists. Reinzosil is the RTV sealant of choice in Europe; now, Victor Reinz brings this exceptional, in-demand product to the North American aftermarket. Reinzosil is so versatile that it can replace a dozen or more other varieties of RTV, eliminating excessive SKUs and saving valuable inventory space., Victor Reinz Reinzosil is a permanently elastic, universal silicone sealing compound that is resistant to extreme temperatures, mineral oils, numerous synthetic oils, lubricants, gasoline, diesel/biodiesel fuels, greases, hot and cold water, detergents, sunlight, ozone, and salt water. Its durability, flexibility, and versatility make it a favourite among import car repair specialists. Reinzosil is the RTV sealant of choice in Europe; now, Victor Reinz brings this exceptional, in-demand product to the North American aftermarket. Reinzosil is so versatile that it can replace a dozen or more other varieties of RTV, eliminating excessive SKUs and saving valuable inventory space.

Product Features:

Resistant to temperatures from -58 Deg F to 608 Deg F (-50 Deg C to 320 Deg C)
Insignificant shrinkage and loss of mass even in high-heat environments.
Fast-curing, low-odor, noncorrosive (pH neutral, non-acidic, non-oxidizing), and will not harm oxygen sensors
Sealing gap 0.006 in (0.15 mm)

Top Picks for 2003 Toyota 4Runner Engine Mounts

Upgrade Toyota 4Runners with top-quality Engine Mounts parts, including 2 OEM and aftermarket selections for your 2003 model.

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from

$69.99

Anchor 9599 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

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$97.99

Anchor 9600 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

Product Features:

In-Demand Camshafts for 2003 Toyota 4Runners

Select from 10 premium Camshafts parts for your 2003 Toyota 4Runner, with prices ranging from $5.89 to $182.99.

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from

$41.99

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool
Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

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$22.99

Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
Manufactured in an anti-static environment to ensure reliability and stability.
Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.

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$47.99

The Camshaft Position Sensor plays a vital role in your engine’s operation, to determine the exact position and speed of the camshaft(s) to the ECM. The ECM uses this information to determine fuel and spark timing as well as VVT operation. A failed sensor can result in a check engine light, hard starting or failure to start, increased vehicle emissions and engine misfire. Camshaft Position Sensors are a premium quality product with outstanding support and leading innovation bred from our OE heritage.

Product Features:

THE DIFFERENCE: Enhanced, robust circuit board traces and precision-wound coated-copper windings increase durability, longevity and performance
OE QUALITY: Designed to meet or exceed OE specifications, fit, form and function to ensure proper position and/or rotating speed of the camshaft
EXTENSIVE TESTING: 100 percent thermal shock and vibration tested for best in class performance and reliability in the most extreme conditions
PRODUCT ENGINEERING: Premium seals prevent leaks or corrosion, while optimized magnet size and strength ensures precise, consistent signal output
INSTALLATION AND SUPPORT: Includes OE style brackets, hold downs, hardware, spacers and weathertight connectors

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$95.99

Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
Manufactured in an anti-static environment to ensure reliability and stability.
Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.

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$86.99

Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:

Delphi products are manufactured in a Delphi ISO certified facility
Designed digital output for maximum signal to noise ratio
All parts used in the manufacture process are Delphi validated
Not impacted by temperature changes and provide robust, long-lasting sensor protection

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$37.99

Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
Manufactured in an anti-static environment to ensure reliability and stability.
Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.

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$109.99

DENSO’s camshaft position sensors are manufactured to the stricktest OE standards resulting in unsurpassed reliability durability and detection accuracy. DENSO’s camshaft position sensors offer leading edge sensing technology which helps control ignition timing more precisely.

Product Features:

OE technology adapted for the aftermarket
Reduces emissions, increased performance
Delivers the highest reliability and detection accuracy

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$64.99

This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:

Direct replacement – this engine camshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$182.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.

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$5.89

Made In USA. 4 oz. Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.

Product Features:

Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up

Most Sold 2003 Toyota 4Runner Engine Timing Parts

Explore our best-selling Toyota parts for the 2003 4Runner among 32 OEM and aftermarket options starting from $9.99.

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from

$42.99

Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
Offers noise reduction and minimum dimensional tolerances for precise valve timing
Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
Timing marks are applied on the belt for proper installation

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$16.99

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
Excellent high temperature capabilities
Compatible with wide range of fluids
Delivers quality and reliable performance for every type of repair

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$144.99

Built to meet or exceed OE fit, form and function
All components necessary for installation are supplied with pump
100% tested for reliable performance
Follow all enclosed instructions to maximize pump life and validate warranty
Additional Notes: Includes gasket

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$324.99

Engineered for both domestic and import vehicle applications with a timing belt
Includes premium Dayco components and a tough, wear-resistant belt

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$87.99

Designed to absorb changes in timing belt tension caused by variations in engine temperatures, speed or the general wear and aging of the belt, the Dayco hydraulic timing belt actuator keep belt tension at a constant level. It reduces noise, prevents belt flapping and ensures proper timing effectiveness throughout the entire service life of the belt. The Dayco hydraulic timing belt actuator is manufactured to meet the critical OE quality, form, fit and function requirements necessary for superior performance.

Product Features:

Designed to dampen noise and enhance belt life
Keeps belt tension at a constant level for better performance
Meets OE fit, form and function criteria
Prevents belt flapping

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$167.99

This replacement engine variable valve timing (VVT) solenoid is precision-engineered to match the fit and function of the original VVT solenoid. Made of quality materials for a long service life, it has been tested for proper performance.

Product Features:

Ideal replacement – this VVT solenoid is professionally engineered to match the function and performance of the stock part on specific vehicle applications
Durable construction – this part is made from quality materials to ensure a long service life
Excellent value – the VVT solenoid is built to perform like original equipment quality at a competitive price
Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance

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$125.99

Manufactured to meet critical OE quality fit, form and function requirements demanded by today’s vehicle manufacturers, Dayco’s timing component kit ensures long lasting peak performance. This kit is designed to replace worn or damaged original equipment timing belts, tensioners and idler pulleys. It includes pre-packaged tensioners, idler pulleys and instructions – each matched to a specific make, model and vehicle year.

Product Features:

Engineered for the majority of domestic and import vehicle applications with a timing belt
All components needed for a complete timing belt replacement included in one box
Includes premium Dayco components and a tough, wear-resistant belt
Meets or exceeds OE quality

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$9.99

This engine variable valve timing (VVT) solenoid filter is designed to match the fit and function of the original filter on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this engine variable valve timing (VVT) solenoid filter is designed to match the fit and function of the original filter on specified vehicles
Restores functionality – reliable replacement for an original part that has failed due to clogging
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$148.99

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:

Engineered for both domestic and import vehicle applications with a timing belt
All components needed for a complete timing belt replacement included in one box
Includes premium Dayco components and tough, wear-resistant belt

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$161.99

The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:

Precision-wound coated copper windings increase product durability and life cycle.
Hard-coated and anodized spool valve to prevent corrosion and increase service life.
Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure product reliability, every time.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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$111.99

Precision-wound coated copper windings increase product durability and life cycle.
Hard-coated and anodized spool valve to prevent corrosion and increase service life.
Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure product reliability, every time.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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$327.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience. SET INCLUDES: 9-4217 Engine Timing Chain (1 EA), 9-4222 Engine Timing Chain (2 EA), 9-5618 Engine Timing Chain Tensioner (1 EA), 9-5619 Engine Timing Chain Tensioner (1 EA), 9-5620 Engine Timing Chain Tensioner (1 EA), 9-5621 Engine Timing Chain Tensioner Guide (1 EA), 9-5622 Engine Timing Chain Guide (2 EA), 9-5623 Engine Timing Chain Guide (1 EA).

Product Features:

Meet or exceed OEM performance requirements, ensuring a quiet and maintenance free experience
Utilizes the latest in design and technology to offer a complete chain kit solution
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance

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$81.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
CAD designed and manufactured using premium materials
Refer to our online catalog for detailed application-specific information
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

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$423.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience. SET INCLUDES: 9-4217 Engine Timing Chain (1 EA), 9-4222 Engine Timing Chain (2 EA), S960T Engine Timing Camshaft Sprocket (2 EA), S959 Engine Timing Crankshaft Sprocket (1 EA), S961 Engine Timing Idler Sprocket (1 EA), 9-5618 Engine Timing Chain Tensioner (1 EA), 9-5619 Engine Timing Chain Tensioner (1 EA), 9-5620 Engine Timing Chain Tensioner (1 EA), 9-5621 Engine Timing Chain Tensioner Guide (1 EA), 9-5622 Engine Timing Chain Guide (2 EA), 9-5623 Engine Timing Chain Guide (1 EA).

Product Features:

Meet or exceed OEM performance requirements, ensuring a quiet and maintenance free experience
Utilizes the latest in design and technology to offer a complete chain kit solution
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance

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$48.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Meet or exceed OEM performance requirements
Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
Secondary Chain Tensioner

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$48.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Meet or exceed OEM performance requirements
Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
Secondary Chain Tensioner

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$26.99

Since 1921, Cloyes has been the trusted leader in automotive timing systems. A timing chain tensioner guide serves as a guide (or track) for the timing chain and applies tension to the system, connecting crankshaft and camshaft ensuring proper alignment and timing. Cloyes timing chain guides use the latest in design and material technology, ensuring quiet operation, durability and that meet or exceed OEM performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service.

Product Features:

CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component

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$20.99

Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Designed to meet or exceed OEM performance requirements
Refer to our online catalog for detailed application-specific information

from

$655.99

INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.

Product Features:

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$397.99

With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:

High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
Precision machined sprockets for exact timing
High-grade plastic guides use same material as OE for excellent wear resistance
Contains: Camshaft Sprocket (2), Crankshaft Sprocket, Idler Sprocket, Timing Chain (3), Chain Tensioner (3), Tensioner Guide, Chain Guide (3) Does Not Contain Variable Valve Timing (VVT) Sprocket

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$135.99

NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.

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$129.99

NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.

from

$97.99

For optimal power transmission in the timing drive, we offer you repair solutions. Our components ensure the correct gear ratios and deliver high reliability paired with low maintenance costs.

Product Features:

from

$77.99

ENG TIMNG CHAINTNSNR

Top-Rated Engine Parts Brands For Your 2003 Toyota 4Runner

Shop for the best-rated brands offering Engine Parts and other products for your 2003 Toyota 4Runners. Below you’ll find some of our best rated Engine Parts from Felpro, Dorman, and Imperial, and more. Engine Parts from these brands that fit a 2003 4Runner start at just $7.49 and are rated as high as 4.6 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Felpro 2003 Toyota 4Runner Engine Parts

When it comes to maintaining or upgrading your 2003 Toyota 4Runner, using quality Engine Parts is essential to ensure durability and a perfect fit. Felpro ticks all of those boxes. We offer a wide selection of Felpro Engine Parts, specifically designed for the 2003 Toyota 4Runner. With over 3 Felpro brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $7.49, with an average price of just $43.16. Plus, with over 6 customer reviews and an average rating of 4.6 stars, you can trust that our Felpro Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $37.99

(4)

Engine Valve Cover Gasket Set

“The gasket fits perfect and doesnt slide around when trying to install. I highly recommend this product.”

from $83.99

(1)

Engine Cylinder Head Bolt Set

“Good”

from $7.49

(1)

Engine Crankshaft Seal Kit

“I only used the seal, it worked great, no more leaks”

Popular Dorman 2003 Toyota 4Runner Engine Parts

Dorman auto parts is one of the highest quality Engine Part brands in the market. Any 2003 Toyota 4Runner owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 2003 4Runner, Advance Auto Parts carries a full inventory of 2 Dorman Engine Parts. Plus you will be keeping your Toyota in peak condition while saving money because prices on these Dorman Engine Parts range from $11.49 to $16.99, plus, with more than 6 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.

from $16.99

(1)

Engine Oil Filler Cap

“Had not trouble installing fits perfectly and looks good.”

from $11.49

(5)

Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In.

“Vandals / thieves drilled a hole in my fuel tank and stole my fuel. This was a temporary fix and did the job so I could get the truck to have the tank”

FAQs for 2003 Toyota 4Runner Engine Parts

Which Engine Parts are best-sellers for 2003 Toyota 4Runners?

Out of 130 Engine Parts that fit 2003 Toyota 4Runners, the following parts are the top sellers:

Engine Valve Cover Gasket Set (20688505) – $68.99
Rubber Expansion Plug 3/4 In. – Size Range 3/4 In. – 7/8 In. (89014938) – $11.49
Camshaft Sensor (12339315) – $22.99

What’s the price range for 2003 Toyota 4Runner Engine Parts?

Engine Part prices for the 2003 Toyota 4Runner start at $1.79 and go up to $4,694.99 for the most premium parts.

What’s the average price of a Engine Part for a 2003 Toyota 4Runner?

The average price for Engine Parts for the 2003 Toyota 4Runner is $173.73. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Parts for other Toyota 4Runner model years?

Yes, we currently carry Engine Parts for 40 model years of Toyota 4Runners between 1984 and 2025. Engine Parts are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Engine Parts for my 2003 Toyota 4Runner?

The cheapest 2003 Toyota 4Runner Engine Parts we carry in stock are:

Steel Cup Expansion Plug 20mm, Height 0.212" (Sold by each) (16140163) – $1.79
Steel Cup Expansion Plug 25mm, Height 0.250 (Sold by each) (16140161) – $1.79
Engine Coolant Water Inlet Gasket (10307460) – $3.99
Stock Replacement Engine Assembly Lubricant, 4 oz. (50175373) – $5.89
Toyota V6 Dropout ABS Hole Freeze Plug, 3/4" OD (11642773) – $6.99

What are the top-rated Engine Parts that fit the 2003 Toyota 4Runner?

Out of 872 reviews by customers, our 2003 Toyota 4Runner Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2003 Toyota 4Runner and their top-rated products:

Engine Gaskets and Seals
- Engine Coolant Water Inlet Gasket (10307460) – $3.99
- Engine Valve Cover Gasket Set (20688531) – $37.99
- Engine Valve Cover Gasket Set (20688505) – $68.99
Valve Cover and Cylinder Heads
- Engine Coolant Water Inlet Gasket (10307460) – $3.99
- Engine Valve Cover Gasket Set (20688531) – $37.99
- Engine Valve Cover Gasket Set (20688505) – $68.99

What types of Engine Parts do you sell for my 2003 Toyota 4Runner?

As of 6/2/26, these are some of the most in-demand types of Engine Parts for a 2003 Toyota 4Runner:

Can I get help with 2003 Toyota 4Runner Engine Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Toyota Engine Parts and more.

What is your return policy for Toyota 4Runner Engine Parts?

Advance Auto Parts keeps returns simple. For new Toyota 4Runner Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Toyota 4Runner Engine Parts

Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K334)

Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 40.08mm, Height 0.450 (Part No.362780.1)

Sealed Power – Piston Ring Set (Part No.E-1014KC 1.00MM)

MAHLE Original – Engine Coolant Water Inlet Gasket (Part No.C31699)

NTK – Engine Variable Valve Timing (VVT) Solenoid (Part No.VV0029)

Victor Reinz – Engine Conversion Gasket Set (Part No.08-10161-01)

Carquest Premium – Camshaft Sensor (Part No.CSC1123)

Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5615)

Victor Reinz – Engine Cylinder Head Gasket Set (Part No.02-54235-01)

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40674)

Sealed Power – Engine Assembly Lubricant (Part No.55-400)

Victor Reinz – Engine Coolant Water Bypass Gasket (Part No.71-11956-00)

Dayco – Premium Timing Belt, 66.46 Inch With 211 Round Tooth, With Flat Tip (Part No.95298)

Carquest Premium – Multi-Use Connector (Part No.PTA2956)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T5102)

Victor Reinz – Engine Valve Stem Oil Seal Set (Part No.12-52799-01)

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40345-1)

Victor Reinz – Engine Valve Cover Gasket Set (Part No.15-11162-01)

Dorman – Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 6.1 Quart (Part No.264-175)

Cloyes Gear – Timing Chain Guide (Part No.9-5133HD)

Spartan – Engine Cylinder Head; Toyota 2R/3RZFE Cyl Head (Part No.2849C)

Victor Reinz – Engine Valve Cover Grommet Set (Part No.15-10814-01)

Dayco – Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And Idler (Part No.WP298K1A)

National – Shaft Repair Sleeve (Part No.99147)

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1369)

DENSO – Crankshaft Position Sensor (Part No.196-1116)

Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72249)

Felpro – Engine Valve Cover Grommet Set (Part No.ES 72133)

Felpro – CYLINDER HEAD BOLT SET (Part No.ES 74035)

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26330 PT)

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26299 PT)

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26298 PT)

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26331 PT)

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26330 PT)

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26226 PT)

Spartan – Engine Cylinder Head; Toyota 2UZFE 98-05 Left Head (Part No.2853L)

Spartan – Engine Cylinder Head; Toyota 2UZFE 98-05 Right Head (Part No.2853R)

Spartan – Engine Cylinder Head; Toyota 1GRFE 02-10 Left Head (Part No.2858L)

Spartan – Engine Cylinder Head; Toyota 1GRFE 02-10 Right Head (Part No.2858R)

Victor Reinz – Engine Cylinder Head Gasket Set (Part No.02-10818-01)

Victor Reinz – Engine Cylinder Head Gasket Set (Part No.02-54050-01)

Victor Reinz – Engine Cylinder Head Bolt Set (Part No.14-32333-01)

Victor Reinz – Engine Cylinder Head Gasket (Part No.61-10848-00)

Victor Reinz – Multi-Layer Steel Left Cylinder Head Gasket (Part No.61-54055-00)

Victor Reinz – Multi-Layer Steel Right Cylinder Head Gasket (Part No.61-54050-00)

Victor Reinz – Engine Cylinder Head Gasket (Part No.61-10849-00)

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26226 PT)

Victor Reinz – Engine Cylinder Head Bolt Set (Part No.14-15219-01)

Victor Reinz – Engine Valve Cover Grommet Set (Part No.15-10814-01)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50634 R)

MAHLE Original – Engine Coolant Water Inlet Gasket (Part No.C31699)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50592 R)

Felpro – Engine Oil Pan Gasket Set – High-temperature Rubber-coated fiber (Part No.OS 30752)

Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40686)

Felpro – VALVE STEM SEAL SET (Part No.SS 72910)

Victor Reinz – Engine Conversion Gasket Set (Part No.08-10219-01)

Victor Reinz – Engine Valve Cover Gasket Set (Part No.15-11945-02)

Victor Reinz – Engine Valve Stem Oil Seal Set (Part No.12-10247-01)

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72878-3)

Victor Reinz – Engine Valve Stem Oil Seal Set (Part No.12-54024-02)

Victor Reinz – Engine Valve Cover Gasket Set (Part No.15-10854-01)

Victor Reinz – Fuel Injection Plenum Gasket Set (Part No.18-10088-01)

Victor Reinz – Engine Oil Pan Gasket Set (Part No.10-15192-01)

Victor Reinz – Fuel Injection Plenum Gasket (Part No.71-54127-00)

Victor Reinz – Engine Coolant Water Bypass Gasket (Part No.71-11956-00)

Victor Reinz – REINZOSIL RTV Silicone (Part No.70-31414-10)

Anchor – Engine Mount Front Left, Front Right (Part No.9599)

Anchor – Engine Mount Front Left, Front Right (Part No.9600)

National – Shaft Repair Sleeve (Part No.99147)

Carquest Premium – Camshaft Sensor (Part No.CSC1082)

NTK – Engine Camshaft Position Sensor (Part No.EC0071)

Carquest Premium – Camshaft Sensor (Part No.CSC1376)

Delphi – Engine Camshaft Position Sensor (Part No.SS10502)

Carquest Premium – Camshaft Sensor (Part No.CSC1352)

DENSO – Camshaft Position Sensor (Part No.196-1103)

Dorman – Camshaft Position Sensor (Part No.907-862)

Carquest Premium – Multi-Use Connector (Part No.PTA2956)