2003 Chevrolet C8500 Engine Parts

Below you will find various in-demand Chevrolet Engine Parts, components and accessories for your 2003 C8500. Advance Auto Parts has popular C8500 parts like Camshafts, Valve Cover and Cylinder Heads, Engine Gaskets and Seals and more. You’ll also find aftermarket and OEM Engine Parts for other C8500 model years including 2004, 2005, 2006, 2007, 2008, 2009 and more. Select a category of 2003 Chevrolet C8500 Engine Parts below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 2003 Chevrolet C8500 Engine Parts Categories

Engine Valve Lifters

Oil Pan Gaskets

OE Engine Oil Coolers

Crankshaft Position Sensors

Timing Covers

Oil Pans

Oil Cooler Line Connectors

Camshaft Position Sensor Connectors

Camshaft Plugs

Turbocharger Intercooler Hose Clamps

Remanufactured Engines

Cylinder Heads

Engine Oil Pump Guide Bushings

Essential Engine Parts for 2003 Chevrolet C8500s

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$40.99

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:

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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$41.99

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.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
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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$1204.99

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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$2.99

This engine camshaft 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 camshaft 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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$40.99

The flat surface on the original equipment hose clamps tend to apply uneven force on turbocharger pipes and hoses, often causing leaks and a loss of turbo pressure. This Dorman OE FIX Power Band Clamp features a patented curved profile that helps achieve a stronger seal than the factory clamp on boots and pipes. Powerbands are made of stainless steel, and have a low-profile spiral screw for easy installation in tight spaces.

Product Features:

Improved design – this Power Band Clamp’s patented curved profile provides a stronger seal to prevent pressure leaks up to 100 psi
Compact construction – low-profile spiral screw takes less space than the original T-bolt clamp and requires less torque for proper installation
Durable construction – made of tough stainless steel with a fully enclosed screw for strength and durability
Independently tested – validated by a third-party laboratory to ensure a more secure seal

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$4259.00

Every remanufactured engine is built to OEM or better standards, undergoing rigorous inspection and machining to meet or exceed original factory specifications. The process starts with 100% magnaflux crack detection on cast iron blocks, ensuring no hidden flaws compromise durability. Each block is precisely CNC machined and cylinders are honed to exact OEM cross-hatch patterns for optimal performance. Cylinder heads are resurfaced, inspected, and fitted with new valves, seals, and lifters-either OEM remanufactured or the highest-quality aftermarket options, selected based on which offers superior durability and reliability. Comprehensive pressure and vacuum testing guarantees leak-free operation. Only 100% new pistons, rings, bearings, seals, and critical components-never recycled-are used to deliver like-new performance and long-term dependability. Before shipment, every engine undergoes cold motored Sims testing to verify compression, oil pressure, torque-to-turn, and overall mechanical integrity. The result is a remanufactured engine engineered for maximum durability, reliability, and performance you can trust.

Product Features:

100% Magnaflux Inspection – Detects cracks invisible to the eye for superior reliability.
Cold Motored Sims Testing – Every engine is tested for compression, oil pressure, and proper operation before it ships.
New Pistons, Rings and Bearings – All critical internal components are brand new, never reused.
OEM-Spec CNC Machining – Ensures a perfect fit and factory-quality performance.
DYNAMIC ENGINE TESTING: Sims Testing – All engines are cold motored and checked and measured for proper torque to turn, cylinder compression, oil flow, oil pressure as well as monitored for any unusual noises inside the assembly.
Product might not be available in all states due to local laws.

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$3944.99

Your remanufactured engine is tested in several specific ways after being assembled; Multiple Pressure tests. Each component is carefully checked after being cleaned to see if cracks or other defects exist in the casting. After being assembled, we pressure

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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$167.99

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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$5.29

This engine oil pump bushing 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 oil pump bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that 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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$248.99

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:

Imperial Swirl-Cool engine oil cooler kit
Size: 1-1/2″ x 6-1/2″ x 18″
Heavy-duty applications
Chevrolet V8 applications
Size: 1.5 in. x 6.5 in. x 18 in.
Heavy duty applications
Specifically designed for Chevrolet V8 applications with metal line kit for easier installation
Two-pass design for increased cooling
Size: 1.5 in. x 6.5 in. x 18 in.
Heavy duty applications
Specifically designed for Chevrolet V8 applications with metal line kit for easier installation
Two-pass design for increased cooling

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$619.99

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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$619.99

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

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$273.99

This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:

Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
Cost-effective solution – offers original equipment quality at a competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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$15.99

This engine oil cooler line connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

Direct replacement – this engine oil cooler line connector matches the appearance and function of the factory hardware on specified applications
Ideal solution – this connector 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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$43.99

Direct replacement – this engine oil cooler line connector matches the appearance and function of the factory hardware on specified applications
Ideal solution – this connector 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

Upgrade your 2003 Chevrolet C8500 with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2003 Chevrolet C8500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Engine Parts are key to keeping your C8500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 16 Engine Parts for the 2003 Chevrolet C8500, designed to meet your needs without breaking the bank. From Camshaft replacements to Valve Cover and Cylinder Heads 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 Chevrolet C8500 at great prices. Our Engine Parts inventory for this model ranges from just $2.99 to $4,187.99, with an average price of $603.09. Our 16 Engine Parts in stock come from 7 trusted brands, so you’re sure to find the right part for your 2003 Chevrolet C8500 without overspending.

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, Fluids and Chemicals and more to make sure your 2003 Chevrolet C8500 is always ready to roll. We’re committed to providing you with everything you need to keep your C8500 in top shape, all in one place. Start shopping confidently below for your 2003 Chevrolet C8500!

Best-Selling Camshafts for 2003 Chevrolet C8500s

Enhance the driving experience in your Chevrolet with 2 quality Camshaft components, starting at $2.99.

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$41.99

Carquest 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.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$2.99

Direct replacement – this engine camshaft 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

Most Popular 2003 Chevrolet C8500 Valve Cover and Cylinder Heads

Customize your Chevrolet with 3 Valve Cover and Cylinder Heads products like Engine Valve Lifters and Cylinder Heads, all priced under $619.99.

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$619.99

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

$619.99

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

OE-Style Hydraulic Roller Lifter for '96+ Chevrolet GEN VI Big Block and 8.1L

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$36.99

OE-Style Hydraulic Roller Lifter for ’96+ Chevrolet GEN VI Big Block and 8.1L

Top Picks for 2003 Chevrolet C8500 Engine Gaskets and Seals

Upgrade Chevrolet C8500s with top-quality Engine Gaskets and Seals parts, including 1 OEM and aftermarket selections for your 2003 model.

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from

$40.99

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

In-Demand Engine Timing Parts for 2003 Chevrolet C8500s

Select from 1 premium Engine Timing Parts parts for your 2003 Chevrolet C8500.

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from

$273.99

Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
Cost-effective solution – offers original equipment quality at a competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

Most Sold 2003 Chevrolet C8500 Engine Switches, Sensors and Relays

Explore our best-selling Chevrolet parts for the 2003 C8500 among 1 OEM and aftermarket options starting from $167.99.

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$167.99

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

FAQs for 2003 Chevrolet C8500 Engine Parts

Which Engine Parts are best-sellers for 2003 Chevrolet C8500s?

Out of 16 Engine Parts that fit 2003 Chevrolet C8500s, the following parts are the top sellers:

Engine Oil Pan Gasket Set – PermaDry molded rubber (20680418) – $40.99
Oil Pump Bushing (22149600) – $5.29
Multi-Use Connector (12458816) – $41.99

What’s the price range for 2003 Chevrolet C8500 Engine Parts?

Engine Part prices for the 2003 Chevrolet C8500 start at $2.99 and go up to $4,187.99 for the most premium parts.

What’s the average price of a Engine Part for a 2003 Chevrolet C8500?

The average price for Engine Parts for the 2003 Chevrolet C8500 is $603.09. 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 Chevrolet C8500 model years?

Yes, we currently carry Engine Parts for 5 model years of Chevrolet C8500s between 2004 and 2009. Engine Parts are bought most frequently for the following model years: 2009, 2008, 2007, 2006, 2005, and 2004.

What are the cheapest Engine Parts for my 2003 Chevrolet C8500?

The cheapest 2003 Chevrolet C8500 Engine Parts we carry in stock are:

Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each) (22140441) – $2.99
Oil Pump Bushing (22149600) – $5.29
Oil Cooler Line Connector (17191171) – $15.99
OE-Style Hydraulic Roller Lifter for ’96+ Chevrolet GEN VI Big Block and 8.1L (50286846) – $36.99
Engine Oil Pan Gasket Set – PermaDry molded rubber (20680418) – $40.99

What types of Engine Parts do you sell for my 2003 Chevrolet C8500?

As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 2003 Chevrolet C8500:

Can I get help with 2003 Chevrolet C8500 Engine Part orders?

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

What is your return policy for Chevrolet C8500 Engine Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet C8500 Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Chevrolet C8500 Engine Parts

Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30714 R)

Carquest Premium – Multi-Use Connector (Part No.PTA1205)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Sump, 22 Quart (Part No.264-5012)

Dorman – Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each) (Part No.555-081)

Dorman – Help – Power Band Clamp 2 – 2.5 Inch (OE Fix) (Part No.55244)

Premium Drive Train – Premium Remanufactured Engine Long Block Assembly (Part No.L49604VT)

Spartan – Engine Long Block; Chevrolet 8.1/496 02-03 Engine (Part No.DCWC)

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7020)

Dorman – Help – Oil Pump Bushing (Part No.90460)

Imperial – Engine Oil Cooler (Part No.241046)

Spartan – Engine Cylinder Head; Chevrolet 8.1/496 01-06 Left Head (Part No.2CW2L)

Spartan – Engine Cylinder Head; Chevrolet 8.1/496 01-06 Right Head (Part No.2CW2R)

Dorman – HD Solutions – Timing Cover Kit (Part No.635-4999)

Dorman – Oil Cooler Line Connector (Part No.800-712)

Dorman – HD Solutions – Oil Cooler Line Connector (Part No.800-5602)

Carquest Premium – Multi-Use Connector (Part No.PTA1205)

Dorman – Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each) (Part No.555-081)

Spartan – Engine Cylinder Head; Chevrolet 8.1/496 01-06 Left Head (Part No.2CW2L)

Spartan – Engine Cylinder Head; Chevrolet 8.1/496 01-06 Right Head (Part No.2CW2R)

Competition Cams – OE-Style Hydraulic Roller Lifter for ’96+ Chevrolet GEN VI Big Block and 8.1L (Part No.900-1)

Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30714 R)

Dorman – HD Solutions – Timing Cover Kit (Part No.635-4999)

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7020)