2003 Pontiac Sunfire Engine Parts

Essential 2003 Pontiac Sunfire Engine Parts

Felpro – Engine Cylinder Head Bolt Set (Part No.ES 72165)

Engine Cylinder Head Bolt Set

from

$30.99
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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Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5115)

Engine Timing Chain Tensioner

from

$29.99
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 – Engine Timing Camshaft Sprocket (Part No.S734T)

Engine Timing Camshaft Sprocket

from

$33.99
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 – Engine Crankshaft Seal Kit (Part No.BS 40591)

Engine Crankshaft Seal Kit

from

$27.49
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:
  • 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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Cloyes Gear – Engine Timing Chain Guide (Part No.9-5367)

Engine Timing Chain Guide

from

$23.99
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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Felpro – Engine Conversion Gasket Set (Part No.CS 9469)

Engine Conversion Gasket Set

from

$52.99
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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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Stainless Steel (Part No.917-378)

Engine Oil Dipstick: Direct Replacement, Stainless Steel

from

$26.99
This engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications. Level marks are clearly distinguished and properly gauged for accuracy.

Product Features:
  • Ideal replacement – this engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications
  • Ideal solution – level marks are clearly distinguished and properly gauged for accuracy
  • 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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Felpro – O-RING (Part No.73193)

O-RING

from

$4.49
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
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S805)

Engine Timing Crankshaft Sprocket

from

$13.99
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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ACDelco – GM Original Equipment Engine Coolant Temperature Sensor (Part No.C6020409594ACD)

GM Original Equipment Engine Coolant Temperature Sensor

from

$62.10
The ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Undergo the same stringent testing process as the original part
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Cloyes Gear – Engine Balance Shaft Chain (Part No.9-4202)

Engine Balance Shaft Chain

from

$43.99
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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Carquest Premium – Chain Tensioner Balance Shaft (Part No.9383)

Chain Tensioner Balance Shaft

from

$57.99
Advance Auto Parts is proud to carry this part with the best fitment and performance requirements for this application, from the highest quality timing component vendor.

Product Features:
  • The part is precision machined with high grade material for greater durability
  • Maintains excellent chain or belt tension
  • Meets or exceeds O.E.M. performance
  • Part is quality inspected and tested
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50445 R)

Engine Valve Cover Gasket Set

from

$20.29
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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Cloyes Gear – Engine Timing Chain (Part No.C370)

Engine Timing Chain

from

$39.99
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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Sealed Power – Engine Piston Ring Set (Part No.E-934K)

Engine Piston Ring Set

from

$108.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Carquest Premium – 4WD Indicator Light Switch Connector (Part No.PTA1019)

4WD Indicator Light Switch Connector

from

$31.49
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 71198)

Engine Valve Stem Oil Seal Set

from

$25.99
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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Dorman – Engine Oil Pan: Direct Fit, Aluminum, Rear Sump, 4 Quart (Part No.264-266)

Engine Oil Pan: Direct Fit, Aluminum, Rear Sump, 4 Quart

from

$119.99
Oil pan leaking? 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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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.9115 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$22.49
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:
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
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Dorman – Timing Chain Guide Bolt (Part No.917-954)

Timing Chain Guide Bolt

from

$26.99
Fixing a sheared engine timing chain guide bolt with original equipment typically requires a labor-intensive removal procedure. This Dorman OE FIX innovation saves hours by integrating the bolt and plug for an easy repair on GM Ecotec engines.

Product Features:
  • Timing Chain Guide Bolt
  • Timing Chain Guide Bolt
  • Fixing a sheared engine timing chain guide bolt with original equipment typically requires a labor-intensive removal procedure. This Dorman OE FIX innovation saves hours by integrating the bolt and plug for an easy repair on GM Ecotec engines.
  • Innovative fix – this engine timing chain guide bolt allows for simple replacement of a sheared original bolt
  • Saves hours – reduces repair time dramatically by eliminating need for head removal, drilling and tapping
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Carquest Premium – Engine Oil Filler Cap: 10105, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10105)

Engine Oil Filler Cap: 10105, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$6.49
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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Mahle – Mahle Intake Valve (Part No.A4060354438MAH)

Mahle Intake Valve

from

$29.10
MAHLE manufactures intake and exhaust valves in forged and hot-extruded versions in a multitude of materials for gasoline and diesel engines of every size. Depending on the stresses they are subjected to, the valves are reinforced around the seat, hardened, nitrided, or chrome-plated. Sodium-filled hollow valves can be used for extremely high thermal and mechanical loads. Since stresses on the components continue to rise in modern engines, MAHLE is focusing on the ongoing development of cooled valves.

Product Features:
  • OE Quality
  • Optimized for strength
  • Heat and corrosion resistant
  • Chromium plated or nitrided
  • Stem optimized to resist wear
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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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National – Engine Harmonic Balancer Repair Sleeve (Part No.88176)

Engine Harmonic Balancer Repair Sleeve

from

$18.99
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:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
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Driveworks – Crankshaft Seal (Part No.S-320259)

Crankshaft Seal

from

$8.49
Product Features:
  • Brand may vary by location
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Sealed Power – Engine Oil Pump Repair Kit (Part No.224-53581)

Engine Oil Pump Repair Kit

from

$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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Dorman – Crankshaft Position Sensor (Part No.917-713)

Crankshaft Position Sensor

from

$41.49
This engine crankshaft 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 crankshaft 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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Delphi – Engine Crankshaft Position Sensor (Part No.SS10133)

Engine Crankshaft Position Sensor

from

$30.49
For more than a century, Delphi has been making the parts cars are born with – often developing new technologies in the process. Delphi is proud of its OE heritage, and over the years they’ve used that experience to expand into a global aftermarket supplier.

Product Features:
  • Designed digital output for maximum signal to noise ratio. Not impacted by temperature changes and provide robust, long-lasting sensor protection. Manufactured to meet or exceed OE requirements.
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2003 Pontiac Sunfire Engine Parts

You count on your 2003 Pontiac Sunfire 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 84 Engine Parts ranging in price from $3.20 to $2,673.99, you’re sure to find everything you need for your 2003 Pontiac Sunfire.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 23 different brands like Felpro, Carquest Premium, and Cloyes. 2003 Pontiac Sunfire Engine Parts start as low as $3.20!

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 166 extensive product reviews on 2003 Pontiac Sunfire Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Oil Fill Cap with 4.0 stars and Econo-Kool® Engine Oil Cooler with 4.7 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 Pontiac Sunfire below to get started!

Top-Rated Engine Parts Brands For Your 2003 Pontiac Sunfire

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

Popular PowerBond Engine Parts

You’ll find popular PowerBond brand products across Crankshaft Pulley and Harmonic Balancers. All are waiting to get your 2003 Pontiac Sunfire back on the road. Some of the top-rated PowerBond products in these categories are:
Premium OEM Replacement Harmonic Balancer; 163mm Diameter
from $79.99
(10)
Premium OEM Replacement Harmonic Balancer; 163mm Diameter
Harmonic Balancers

Top-Rated Felpro Engine Parts


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Engine Parts for your 2003 Pontiac Sunfire, and some of our most reviewed Felpro parts include:
Fuel Injector O-Ring Kit
from $8.99
(14)
Fuel Injector O-Ring Kit
O-Rings
Engine Valve Cover Gasket Set
from $41.99
(8)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
TIMING COVER GASKET SET
from $36.99
(7)
TIMING COVER GASKET SET
Timing Cover Gasket Sets

FAQs for 2003 Pontiac Sunfire Engine Parts

What are the most purchased Engine Parts for the 2003 Pontiac Sunfire?

Out of 84 Engine Parts for the 2003 Pontiac Sunfire, the most popular in our inventory are:
Primary Timing Chain Kit: Exact Fit, 148 Links, Timing Components, With Sprockets
from $174.99
This product is not rated
Primary Timing Chain Kit: Exact Fit, 148 Links, Timing Components, With Sprockets
Engine Timing Chain Kits
Crankshaft Sensor
from $33.99
This product is not rated
Crankshaft Sensor
Crankshaft Position Sensors

What are the top-rated 2003 Pontiac Sunfire Engine Parts?

Top-rated Engine Parts for your 2003 Pontiac Sunfire based on customer reviews/ratings are:
Engine Oil Fill Cap
from $13.99
(6)
Engine Oil Fill Cap
“Replacement oil top”
Econo-Kool® Engine Oil Cooler
from $141.99
(3)
Econo-Kool® Engine Oil Cooler
“Good price perfect fit had all the parts I needed good quality”
Mahle Exhaust Valve
from $18.06
(3)
Mahle Exhaust Valve
“Perfect fit.”