2003 Toyota 4Runner Engine Parts

Essential 2003 Toyota 4Runner Engine Parts

NTN – Timing Belt Tension Adjuster (Part No.A5330130438NTN)

Timing Belt Tension Adjuster

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$56.94
Hydraulic Automatic Timing Belt Tensioner – This is the automatic tension adjuster. Roller and roller bracket are not included (order roller separately). The NTN Automatic Timing Belt Tension Adjuster is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • Automatic tensioner adjuster for timing belt systems
  • Does not include roller, bearing and brackets
  • Durable long life performance
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Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5580)

Engine Timing Chain Tensioner

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$39.99
A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain. Please refer to our online catalog for detailed application-specific information

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
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Felpro – Engine Conversion Gasket Set (Part No.CS 26357-1)

Engine Conversion Gasket Set

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$71.99
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Carquest Premium – Engine Oil Filler Cap: 10135, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10135)

Engine Oil Filler Cap: 10135, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

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$11.49
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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Felpro – Oil Pan Gasket Set (Part No.A6131968523FEL)

Oil Pan Gasket Set

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$11.48
Oil Pan Gasket Set

Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVA1058)

Engine Variable Valve Timing (VVT) Solenoid

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$97.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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National – Shaft Repair Sleeve (Part No.99315)

Shaft Repair Sleeve

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$49.49
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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Dorman – Engine Timing Cover (Part No.A535064430DOR)

Engine Timing Cover

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$179.42
Save time and money with Dorman’s Engine Timing Cover. Each one comes with a gasket as well as any other components needed for a complete repair.

Product Features:
  • Direct replacement for a proper fit every time
  • Where applicable, seal and/or oil pump gaskets are provided for powerful leak prevention
  • Corrosion-resistant for long lasting performance
  • High quality plastic or metal construction resists warping, cracking and porousness
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Dorman – Steel Cup Expansion Plug 25mm, Height 0.250 (sold by each) (Part No.555-097)

Steel Cup Expansion Plug 25mm, Height 0.250 (sold by each)

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$1.29
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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Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 178, 46 Links, Timing Components, Without Sprockets (Part No.9-0924SX)

Primary Timing Chain Kit: Exact Fit, 178, 46 Links, Timing Components, Without Sprockets

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$399.99
Designed for the replacement of worn or damaged timing chains, tensioners, and guides, Timing Chain Kits includes all components for a quick and efficient replacement. Each part is CAD designed and manufactured using premium materials. 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.

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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Cloyes Gear – Engine Timing Idler Sprocket (Part No.S942T)

Engine Timing Idler Sprocket

from

$11.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • 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
  • Refer to our online catalog for detailed application-specific information
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Felpro – Cylinder Head Gasket Set (Part No.HS 9728 PT-1)

Cylinder Head Gasket Set

from

$262.99
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 — 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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National – Shaft Repair Sleeve (Part No.99114)

Shaft Repair Sleeve

from

$27.99
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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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S600)

Engine Timing Camshaft Sprocket

from

$22.49
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • 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
  • Refer to our online catalog for detailed application-specific information
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Dayco – Premium Timing Belt, 66.46 Inch With 211 Round Tooth, With Flat Tip (Part No.95298)

Premium Timing Belt, 66.46 Inch With 211 Round Tooth, With Flat Tip

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$43.99
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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Felpro – Engine Valve Cover Grommet Set (Part No.ES 70356)

Engine Valve Cover Grommet Set

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$21.49
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:
  • 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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Dayco – Timing Water Pump Kit; With Pump, Belt, Tensioner, Idler And Spring (Part No.WP154K1A)

Timing Water Pump Kit; With Pump, Belt, Tensioner, Idler And Spring

from

$197.99
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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Dayco – Timing Component Kit; With Camshaft Belt Tensioner And Idler, 2 Piece Set (Part No.84091)

Timing Component Kit; With Camshaft Belt Tensioner And Idler, 2 Piece Set

from

$139.99
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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Spartan – Engine Cylinder Head; Toyota 1GRFE 02-10 RGT Head (Part No.2858R)

Engine Cylinder Head; Toyota 1GRFE 02-10 RGT Head

from

$568.99
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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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 74035)

CYLINDER HEAD BOLT SET

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

Stock Replacement Type Oil Pump Repair Kit

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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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Ishino – Valve Stem Seal (Part No.A8070180150ISH)

Valve Stem Seal

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$4.81
Valve Stem Seal

Dorman – Help – Engine Oil Dipstick Tube: Direct Replacement, Metal (Part No.921-146)

Engine Oil Dipstick Tube: Direct Replacement, Metal

from

$27.99
This engine oil dipstick tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil dipstick tube is designed to match the fit and function of the original tube on specified vehicles
  • Restores functionality – reliable replacement for an original part that is missing, bent or broken
  • 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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NOK – Camshaft Seal (Part No.A808034552NOK)

Camshaft Seal

from

$12.18
Camshaft Seal

National – Multi Purpose Seal (Part No.223801)

Multi Purpose Seal

from

$9.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Cardone – Engine Control Module (Part No.72-10430)

Engine Control Module

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$1136.99
CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100% computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:
  • Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
  • Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
  • On-car vehicle validation is done to test durability and performance.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Mahle – Valve Cover Gasket S (Part No.A80291702644MAH)

Valve Cover Gasket S

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$60.79
WARNING: This item cannot be returned for a replacement or refund if opened! Mahle is the largest gasket manufacturer in the world, providing you original equipment design and quality and world class aftermarket service. Mahle does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Mahle gaskets prove it every day.

Product Features:
  • Original equipment design and quality
  • Utilizes OE equivalent or better materials
  • Packaged in shrink wrapped tray
  • Every part you need to complete your gasket repair in one package unless otherwise stated
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50512 R)

Engine Valve Cover Gasket Set

from

$36.99
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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2003 Toyota 4Runner Engine Parts

You count on your 2003 Toyota 4Runner to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 139 Engine Parts ranging in price from $1.29 to $4,694.99, you’re sure to find everything you need for your 2003 Toyota 4Runner.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 36 different brands like Felpro, Dorman, and Carquest Premium. 2003 Toyota 4Runner Engine Parts start as low as $1.29!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 836 extensive product reviews on 2003 Toyota 4Runner Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Long Block; Toyota 2UZFE 1/98-05 Engine with 4.7 stars and Engine Oil Filler Cap: 10080, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.1 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2003 Toyota 4Runner below to get started!

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

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Toyota 4Runner running right for years to come. In our inventory you’ll find brands like Felpro, Dorman, Carquest Premium, and even more.

Popular MAHLE Original Engine Parts

You’ll find popular MAHLE Original brand products across Engine Gaskets and Seals. All are waiting to get your 2003 Toyota 4Runner back on the road. Some of the top-rated MAHLE Original products in these categories are:
Water Inlet Gasket
from $3.99
(1)
Water Inlet Gasket
Water Inlet Gaskets

Top-Rated Engine Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Engine Parts for your 2003 Toyota 4Runner, and some of our most reviewed parts include:
Premium OEM Replacement Harmonic Balancer; 159mm Diameter
from $147.99
(131)
Premium OEM Replacement Harmonic Balancer; 159mm Diameter
Harmonic Balancers

FAQs for 2003 Toyota 4Runner Engine Parts

What are the most purchased Engine Parts for the 2003 Toyota 4Runner?

Out of 139 Engine Parts for the 2003 Toyota 4Runner, the most popular in our inventory are:
Engine Valve Cover Gasket Set
from $66.99
(19)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
Camshaft Sensor
from $22.99
This product is not rated
Camshaft Sensor
Camshaft Position Sensors

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

Top-rated Engine Parts for your 2003 Toyota 4Runner based on customer reviews/ratings are:
Engine Long Block; Toyota 2UZFE 1/98-05 Engine
from $4409.99
(56)
Engine Long Block; Toyota 2UZFE 1/98-05 Engine
“Yes my car run good with this spark plug”