2003 Nissan Altima Engine Parts

Essential 2003 Nissan Altima Engine Parts

Ishino Stone – Oil Pan Gasket (Part No.A6130139747ISH)

Oil Pan Gasket

from

$4.70
Oil Pan Gasket

Felpro – Oil Cooler Gasket Mounting Set (Part No.71355)

Oil Cooler Gasket Mounting Set

from

$13.79
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S907)

Engine Timing Crankshaft Sprocket

from

$76.99
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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Hitachi – Camshaft Position Sensor (Part No.CPS0008)

Camshaft Position Sensor

from

$74.99
Hitachi’s Camshaft Position Sensors (CPS) accurately signals to your vehicles’ Electrical Control Unit (ECU) the position of your engine’s camshaft. Designed to meet the exact needs of each specific vehicle, Hitachi’s Camshaft Position Sensors are the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for camshaft position sensors
  • Meets the OE performance and durability standards for this application
  • Accurate and reliable measurements
  • Accurate and reliable measurements
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Original Equipment – Engine Mount Stop (Part No.A7150128802OEA)

Engine Mount Stop

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$11.93
Engine Mount Stop

Nippon Reinz – Nippon Reinz Intake Plenum Gasket (Part No.A8041326631NRZ)

Nippon Reinz Intake Plenum Gasket

from

$22.89
Innovative product design and high quality materials allows us to provide Victor Reinz gaskets to meet specific engine requirements. The Dana global team of experienced engineers works with all engine types and configurations to offer the best sealing solution for specific applications.

Product Features:
  • Improved reliability, durability, and engine performance
  • Embossment shapes designed to improve durability
  • Stopper layer can be designed with topography to optimize load balance
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Felpro – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.26371 PT)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

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$47.99
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:
  • 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
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Felpro – CONVERSION GASKET SET/ LOWER GASKET SET (Part No.CS 26511)

CONVERSION GASKET SET/ LOWER GASKET SET

from

$69.99
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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MAHLE Original – Oil Cooler Seal (Part No.B32450)

Oil Cooler Seal

from

$4.49
MAHLE 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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Cloyes Gear – Engine Balance Shaft Chain Tensioner (Part No.9-5606)

Engine Balance Shaft Chain Tensioner

from

$54.99
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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Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 196, 66 Links, Timing Components, With Sprockets (Part No.9-0730SA)

Primary Timing Chain Kit: Exact Fit, 196, 66 Links, Timing Components, With Sprockets

from

$405.99
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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Ishino Stone – Position Sensor O-Ri (Part No.A4017284603ISH)

Position Sensor O-Ri

from

$2.00
Position Sensor O-Ri

Corteco – Crankshaft Seal (Part No.A8060575024CFW)

Crankshaft Seal

from

$8.69
Crankshaft Seal

MAHLE Original – HEAD SET (Part No.HS54444)

HEAD SET

from

$149.99
MAHLE 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
  • Head gasket set (HS) contains all the gaskets and seals required to remove and replace a cylinder head(s) on an engine.
  • 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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Felpro – VALVE STEM SEAL SET (Part No.SS 70157)

VALVE STEM SEAL SET

from

$45.99
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:
  • 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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KAI – Engine Oil Pan (Part No.SPINSP27A)

Engine Oil Pan

from

$129.99
New Standard Replacement Oil Pan, Without Gasket, Made Of Steel

Product Features:
  • Without Gasket, Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72231)

CYLINDER HEAD BOLT SET

from

$54.99
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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MAHLE Original – WATER BY-PASS CONN.G (Part No.C31682)

WATER BY-PASS CONN.G

from

$1.99
MAHLE 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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Cloyes Gear – Engine Balance Shaft Chain (Part No.9-4213)

Engine Balance Shaft Chain

from

$19.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

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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Dorman – Harmonic Balancer Assembly (Part No.594-728)

Harmonic Balancer Assembly

from

$207.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • 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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Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40730)

REAR MAIN BEARING SEAL SET

from

$28.99
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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Spartan – Engine Long Block; Nissan QR25DE Engine (Part No.V347)

Engine Long Block; Nissan QR25DE Engine

from

$3150.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.

Product Features:
  • Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
  • Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
  • Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
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Felpro – Engine Coolant Outlet Gasket (Part No.35622)

Engine Coolant Outlet Gasket

from

$3.49
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Cloyes Gear – Engine Timing Chain Guide (Part No.9-5597)

Engine Timing Chain Guide

from

$29.99
A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements, timing guides, which are available in kits or as a stand-alone product, utilize 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
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Imperial – Econo-Kool® Engine Oil Cooler (Part No.240459)

Econo-Kool® Engine Oil Cooler

from

$141.99
Product Features:
  • Imperial Econo-Kool« engine oil cooler kit
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • Light-duty applications
  • All except Chevrolet V8 applications
  • Size: 3/4 in. x 7-1/2 in. x 12-1/2 in.
  • Light duty applications
  • All except Chevrolet V8 applications
  • Lightweight construction with high-efficiency turbulators
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Hitachi – Hitachi Oil Pump (Part No.A6010303927HIT)

Hitachi Oil Pump

from

$233.23
The Hitachi Oil Pump is a direct fit OEM replacement that guarantees the same performance and quality provided by the vehicle manufacturer.

Product Features:
  • Original Equipment Supplier
  • Easy installation with a factory quality fit
  • Modular design
  • Long service life
  • Flow-optimized system design
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Ishino – Timing Cover O-Ring (Part No.A5067400366ISH)

Timing Cover O-Ring

from

$1.39
Timing Cover O-Ring

NTC – Tama Engine Coolant Temperature Sensor (Part No.C6020463610NTC)

Tama Engine Coolant Temperature Sensor

from

$26.04
The NTC-Tama Engine Coolant Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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2003 Nissan Altima Engine Parts

You count on your 2003 Nissan Altima 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 180 Engine Parts ranging in price from $1.39 to $4,365.99, you’re sure to find everything you need for your 2003 Nissan Altima.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 31 different brands like Felpro, Carquest Premium, and Carquest. 2003 Nissan Altima Engine Parts start as low as $1.39!

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 468 extensive product reviews on 2003 Nissan Altima Engine Parts. Some of the top-rated Engine Parts products we carry are Valve Covers: With Gasket, Direct Replacement, Plastic with 3.8 stars and Multi Purpose Seal with 4.4 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 Nissan Altima below to get started!

Top-Rated Engine Parts Brands For Your 2003 Nissan Altima

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 Nissan Altima running right for years to come. In our inventory you’ll find brands like Felpro, Carquest Premium, Carquest, and even more.

Popular Delphi Engine Parts

You’ll find popular Delphi brand products across Camshafts. All are waiting to get your 2003 Nissan Altima back on the road. Some of the top-rated Delphi products in these categories are:
Engine Camshaft Position Sensor
from $67.99
(1)
Engine Camshaft Position Sensor
Camshaft Position Sensors
Engine Camshaft Position Sensor
from $64.99
(1)
Engine Camshaft Position Sensor
Camshaft Position Sensors
Engine Camshaft Position Sensor
from $67.99
(2)
Engine Camshaft Position Sensor
Camshaft Position Sensors

FAQs for 2003 Nissan Altima Engine Parts

What are the most purchased Engine Parts for the 2003 Nissan Altima?

Out of 180 Engine Parts for the 2003 Nissan Altima, the most popular in our inventory are:
Camshaft Sensor
from $61.99
This product is not rated
Camshaft Sensor
Camshaft Position Sensors
Cam/Crank Sensor
from $64.99
This product is not rated
Cam/Crank Sensor
Camshaft Position Sensors
OIL PAN GASKET SET
from $14.99
(16)
OIL PAN GASKET SET
Oil Pan Gaskets

What are the top-rated 2003 Nissan Altima Engine Parts?

Top-rated Engine Parts for your 2003 Nissan Altima based on customer reviews/ratings are:
Valve Covers: With Gasket, Direct Replacement, Plastic
from $172.99
(22)
Valve Covers: With Gasket, Direct Replacement, Plastic
“Fit perfect”
Multi Purpose Seal
from $13.29
(20)
Multi Purpose Seal
“Perfect replacement for my vintage Pontiacs. I recommend this particular seal to al of my customers.”
VALVE COVER GASKET SET
from $25.99
(15)
VALVE COVER GASKET SET
“Everything was great”