2003 GMC C6500 Topkick Engine Parts

Essential 2003 GMC C6500 Topkick Engine Parts

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

Oil Cooler Line Connector

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$39.49
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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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

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$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
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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
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40622)

Engine Crankshaft Seal Kit

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:
  • 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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Victor Reinz – Engine Cylinder Head Gasket Set (Part No.02-10445-01)

Engine Cylinder Head Gasket Set

from

$281.99
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Melling – Stock Replacement Oil Pump Screen (Part No.353S)

Stock Replacement Oil Pump Screen

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

Engine Timing Cover Gasket Set

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$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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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
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Carquest Premium – Crankshaft Sensor (Part No.CSC1303)

Crankshaft Sensor

from

$76.99
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 the

Product Features:
  • 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.
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Felpro – Engine Oil Pump Shaft Retainer (Part No.72665)

Engine Oil Pump Shaft Retainer

from

$2.29
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:
  • 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
  • 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 Set (Part No.C-3222)

Engine Timing Set

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

Cylinder Head Gasket: Composite, Without Head Bolts

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$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
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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
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Melling – Stock Replacement OE Type High Volume Oil Pump (Part No.M-77HV)

Stock Replacement OE Type High Volume Oil Pump

from

$76.99
Melling high volume oil pumps increase the amount of oil flow by an average of 20% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and ass

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
  • High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues
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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
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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
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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
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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
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Felpro – Engine Conversion Gasket Set (Part No.CS 26168)

Engine Conversion Gasket Set

from

$135.99
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 – 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
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50554 R)

Engine Valve Cover Gasket Set

from

$28.49
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:
  • 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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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
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Spartan – Engine Long Block; CHEV 8.1/496 04-06 Engine (Part No.DCWE)

Engine Long Block; CHEV 8.1/496 04-06 Engine

from

$4289.99
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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MAHLE Original – Engine Gasket Set (Part No.95-3639)

Engine Gasket Set

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$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
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72264)

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
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S830T)

Engine Timing Camshaft Sprocket

from

$20.99
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 – OIL PAN GASKET SET (Part No.OS 34407 R)

OIL PAN GASKET 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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SUPERIOR SEAL — Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
  • PREVENTS OVERTIGHTENING — Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
  • OE-STYLE REPLACEMENT GASKET — Engineered for OE-style molded rubber gasket replacement
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • ENGINEERING EXPERTISE — Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
  • ENGINEERING EXPERTISE — Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
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Cloyes Performance – High Performance Timing Chain (Part No.9-192)

High Performance Timing Chain

from

$64.99
High Performance 1/2″ Pitch Single Roller Replacement True Roller Chain. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends 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
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
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2003 GMC C6500 Topkick Engine Parts

You count on your 2003 GMC C6500 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 44 Engine Parts ranging in price from $2.29 to $4,287.99, you’re sure to find everything you need for your 2003 GMC C6500 Topkick.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 8 different brands like Felpro, Melling, and Carquest Premium. 2003 GMC C6500 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 266 extensive product reviews on 2003 GMC C6500 Topkick Engine Parts. Some of the top-rated Engine Parts products we carry are 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 C6500 Topkick below to get started!

Top-Rated Engine Parts Brands For Your 2003 GMC C6500 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 C6500 Topkick running right for years to come. In our inventory you’ll find brands like Felpro, Melling, Carquest Premium, and even more.

Popular Felpro Engine Parts

You’ll find popular Felpro brand products across Engine O-Ring and Hardware. All are waiting to get your 2003 GMC C6500 Topkick back on the road. Some of the top-rated Felpro products in these categories are:
Fuel Injector O-Ring Kit
from $8.99
(14)
Fuel Injector O-Ring Kit
O-Rings
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
O-Rings

FAQs for 2003 GMC C6500 Topkick Engine Parts

What are the most purchased Engine Parts for the 2003 GMC C6500 Topkick?

Out of 44 Engine Parts for the 2003 GMC C6500 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
Stock Replacement Oil Pump Screen
from $24.99
(2)
Stock Replacement Oil Pump Screen
Engine Oil Pump Pickup Tube and Screens

What are the top-rated 2003 GMC C6500 Topkick Engine Parts?

Top-rated Engine Parts for your 2003 GMC C6500 Topkick based on customer reviews/ratings are:
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.”