2003 GMC C7500 Topkick Engine Parts

Essential 2003 GMC C7500 Topkick Engine Parts

Melling – Stock Replacement Oil Pump Screen (Part No.353S)

Stock Replacement Oil Pump Screen

from

$55.99
A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine ware, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

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

Oil Pump Bushing

from

$4.99
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
See More

Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45053)

Engine Timing Cover Gasket Set

from

$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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50388 R)

Engine Valve Cover Gasket Set

from

$31.49
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
See More

Cloyes Gear – Engine Timing Chain (Part No.9-4185)

Engine Timing Chain

from

$69.99
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.
See More

Felpro – Fuel Injector O-Ring Kit (Part No.ES 71190)

Fuel Injector O-Ring Kit

from

$8.99
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
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 9502 PT)

Cylinder Head Gasket Set

from

$172.99
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
See More

Cloyes Gear – Engine Timing Set (Part No.C-3222)

Engine Timing Set

from

$62.99
Timing Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Cam Sprocket, Crankshaft Sprocket, Timing Chain
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40673)

Engine Crankshaft Seal Kit

from

$33.99
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
See More

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

Engine Cylinder Head; Chev 8.1/496 01-06 RGT Head

from

$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
See More

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

Timing Cover Kit

from

$248.99
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
See More

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S837)

Engine Timing Crankshaft Sprocket

from

$32.99
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
See More

Carquest Premium – Engine Oil Filler Cap: 10114, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10114)

Engine Oil Filler Cap: 10114, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$12.99
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
See More

Melling – Stock Replacement Oil Pump Shaft Guide (Part No.M-55005)

Stock Replacement Oil Pump Shaft Guide

from

$2.99
Several Melling oil pump applications require the use of an oil pump shaft guide. Melling provides high quality shaft guides for specific pump applications. An oil pump shaft guide is necessary to connect the oil pump drive shaft to the intermediate drive shaft. Melling recommends installing a new oil pump shaft guide when it is needed.

Product Features:
  • Manufactured from high quality nylon for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72188)

CYLINDER HEAD BOLT SET

from

$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:
  • 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
See More

Dorman – Oil Cooler Line Connector (Part No.800-710)

Oil Cooler Line Connector

from

$11.29
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
See More

Carquest Premium – Air Charge Temperature Sensor Connector (Part No.PTA1129)

Air Charge Temperature Sensor Connector

from

$52.99
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.

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
See More

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

Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each)

from

$2.29
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
See More

Premium Drive Train – Engine Assembly (Part No.L49602VTP)

Engine Assembly

from

$4287.99
(PDT) Premium Drivetrain Engines are remanufactured to original equipment (OEM) demanding specifications by an OEM builder. Each engine assembly is manufactured with the highest technology equipment, the most intelligent engineering support, and the best practices available in remanufacturing today.

Product Features:
  • REMANUFACTURING and QUALITY CHECKS – ENGINE BLOCKS: Each block is magnafluxed for cracks and checked for any visible damage to the block or threaded holes before being repainted to the original color. Five CNC machining centers are programmed to precise specifications that meet or exceed those established by the OEM for each engine block. After the engine block is bored, decked, and chamfered, each cylinder is honed with the specified OEM cross-hatch pattern. 100% gauging of all cylinder bores for diameter and roundness after final honing operation. 100% new pistons, rings and bearings are installed in every engine.
  • CYLINDER HEADS: Every head is resurfaced and completely inspected for any visible damage or cracks to the casting or threaded holes. Any heads that have cracks in the combustion chamber are immediately scrapped, no weld repairs. Valve seats are machined, inspected and replaced if necessary. Valve guides are inspected with an air gauge and replaced if necessary. The cam bore is air gauge checked on overhead cam engines and machined if required. 100% new valves, seals and lifters are used in every head. All head and valve assemblies are quantified for leakage using a vacuum decay process.
  • CONNECTING RODS: Each connecting rod is measured against OEM specifications for bend, twist, and center-to-center length before use. The piston pin bore and bearing bore are measured with air gauges for proper dimensions. New torque to yield rod bolts and nuts are installed.
  • CRANKSHAFTS: Crankshafts are machined on a fully automated CNC crank grinder. This enables consistency and critical tolerances for each journal. All oil galley holes are chamfered and brushed after machining and the crankshaft is given a final wash to ensure cleanliness. Each crank is inspected for cracks, bow and all applicable run-out specs for rod and main journals.
  • 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. All engine assemblies quantified for oil gallery, gasket, and casting leakage in the oil passageways.
  • Product might not be available in all states due to local laws.
See More

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

Engine Oil Pan: Direct Fit, Steel, Front Sump, 22 Quart

from

$968.99
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
See More

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S842T)

Engine Timing Camshaft Sprocket

from

$37.99
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
See More

Felpro – VALVE STEM SEAL SET (Part No.SS 72823)

VALVE STEM SEAL SET

from

$31.49
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:
  • 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
See More

Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-77)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$23.49
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

Melling – Stock Replacement OE Type Oil Pump and Screen (Part No.M307-353S)

Stock Replacement OE Type Oil Pump and Screen

from

$132.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

MAHLE Original – Engine Gasket Set (Part No.95-3639)

Engine Gasket Set

from

$449.99
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
  • Engine kit gasket set (full set) contains all the gaskets and seals necessary to completely assemble 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
See More

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA1668)

Engine Crankshaft Position Sensor

from

$129.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.26169 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$31.49
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:
  • Requires no retorquing of the head bolts
See More

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

Power Band Clamp 2 - 2.5 Inch

from

$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
See More

2003 GMC C7500 Topkick Engine Parts

You count on your 2003 GMC C7500 Topkick 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 46 Engine Parts ranging in price from $2.29 to $4,287.99, you’re sure to find everything you need for your 2003 GMC C7500 Topkick.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 9 different brands like Felpro, Melling, and Carquest Premium. 2003 GMC C7500 Topkick Engine Parts start as low as $2.29!

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 100 extensive product reviews on 2003 GMC C7500 Topkick Engine Parts. Some of the top-rated Engine Parts products we carry are Stock Replacement Oil Pump Screen with 3.5 stars and Stock Replacement Type Oil Pump Intermediate Shaft with 5.0 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 GMC C7500 Topkick below to get started!

Top-Rated Engine Parts Brands For Your 2003 GMC C7500 Topkick

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 GMC C7500 Topkick running right for years to come. In our inventory you’ll find brands like Felpro, Melling, Carquest Premium, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Blocks. All are waiting to get your 2003 GMC C7500 Topkick back on the road. Some of the top-rated Carquest Premium products in these categories are:

Top-Rated Engine Parts


If are what you’re looking for, our inventory holds plenty. We stock brand Engine Parts for your 2003 GMC C7500 Topkick, and some of our most reviewed parts include:
Fuel Injector O-Ring Kit
from $8.99
(14)
Fuel Injector O-Ring Kit
O-Rings

FAQs for 2003 GMC C7500 Topkick Engine Parts

What are the most purchased Engine Parts for the 2003 GMC C7500 Topkick?

Out of 46 Engine Parts for the 2003 GMC C7500 Topkick, the most popular in our inventory are:
Stock Replacement Oil Pump Shaft Guide
from $2.99
(5)
Stock Replacement Oil Pump Shaft Guide
Oil Pump Nylon Shaft Guides
4WD Indicator Light Switch Connector
from $31.49
This product is not rated
4WD Indicator Light Switch Connector
Camshaft Position Sensor Connectors

What are the top-rated 2003 GMC C7500 Topkick Engine Parts?

Top-rated Engine Parts for your 2003 GMC C7500 Topkick based on customer reviews/ratings are:
Stock Replacement Oil Pump Screen
from $24.99
(2)
Stock Replacement Oil Pump Screen
“right part good price”
Stock Replacement Type Oil Pump Intermediate Shaft
from $23.49
(1)
Stock Replacement Type Oil Pump Intermediate Shaft
“It is a good product at a price that cannot be beaten.”