2008 GMC W3500 Forward Engine Parts

Essential Engine Parts for 2008 GMC W3500 Forwards

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012)

Stock Replacement Engine Assembly Lubricant

from

$6.99
Made In USA. 4 OZ Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.
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Dorman – Harmonic Balancer Assembly (Part No.594-121)

Harmonic Balancer Assembly

from

$70.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement.
  • Durable construction – stringent specifications and careful construction help ensure longevity.
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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KAI – Turbocharger Intercooler/Charge Air Cooler, To 3/1, All Aluminum Oe Style (Part No.CAC010112)

Turbocharger Intercooler/Charge Air Cooler, To 3/1, All Aluminum Oe Style

from

$316.99
New Platinum Pro Turbocharger Intercooler/Charge Air Cooler, Up To Production Date 3/1, All Aluminum OE Style

Product Features:
  • Up To Production Date 3/1, All Aluminum OE Style, Made Of Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Spectra Premium – Engine Oil Pan (Part No.GMP02A)

Engine Oil Pan

from

$151.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oil pans meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE expertise
  • Durable powder coating applied to exterior of oil pan for a long lasting rust free unit
  • Washed and then sealed with an anti-corrosive spray on the interior for a rust free unit at installation
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Coating salt spray tested for over 200 hours to insure durability
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Spartan – Engine Cylinder Head; Chev 6.0 V8 01-10 Gas Head (Part No.2CTF)

Engine Cylinder Head; Chev 6.0 V8 01-10 Gas Head

from

$449.99
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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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Stainless Steel (Part No.917-377)

Engine Oil Dipstick: Direct Replacement, Stainless Steel

from

$21.49
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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Dorman – Valve Covers: With Gasket, Direct Replacement, Aluminum, Driver Side (Part No.264-965)

Valve Covers: With Gasket, Direct Replacement, Aluminum, Driver Side

from

$184.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:
  • Direct replacement – this valve cover matches the original equipment part for fit and function.
  • Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking.
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
See More

Dorman – Timing Cover Kit – Includes Gasket (Part No.635-517)

Timing Cover Kit - Includes Gasket

from

$55.99
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

Dorman – Variable Valve Timing Solenoid (Part No.916-886XD)

Variable Valve Timing Solenoid

from

$54.99
The original variable valve timing (VVT) solenoid on certain GM and Isuzu vehicles can fail from debris, mishandling during maintenance or harsh operating conditions. This Dorman OE FIX VVT solenoid features multiple improvements, including a patented, upgraded copper core and additional oil passages to eliminate internal movement and extend service life.

Product Features:
  • Patented design – this VVT solenoid features an exclusive copper core and a stronger center tube to eliminate internal movement and help ensure long service life on specified GM and Isuzu vehicles.
  • Improves performance – modified design includes additional passages to help increase oil flow.
  • Hardware included – comes with hard-to-find gasket and high-grade hardware for a complete installation
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
  • Improved performance – modified design includes additional passages to increase oil flow
See More

Driveworks – Crankshaft Seal (Part No.S-100085)

Crankshaft Seal

from

$29.99
Product Features:
  • Brand may vary by location
See More

Melling Select Performnce – High Performance High Pressure Cast Aluminum Oil Pump (Part No.10295)

High Performance High Pressure Cast Aluminum Oil Pump

from

$164.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10295 high performance oil pump is a high pressure, standard volume upgrade of the M295. The cast aluminum housing is CNC machined and hardcoat anodized. The cast iron cover is CNC machined and phosphate coated for improved pump performance and durability. The relief valve features a screw in valve plug with the optional lower stock pressure spring supplied. The oil pump and screen seals are included. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

Product Features:
  • 10% Higher pressure high performance upgrade of the M295
  • Die cast aluminum housing
  • Cast iron cover
  • Standard replacement steel rotors
  • Adjustable pressure relief valve
  • Includes original stock replacement pressure spring; not installed
  • Uses 7/8 inch diameter bolt on screen
  • Includes oil pump and oil pump screen mounting o-ring seals
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Melling Select Performnce – High Performance High Volume Cast Aluminum Oil Pump (Part No.10296)

High Performance High Volume Cast Aluminum Oil Pump

from

$287.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10296 high performance oil pump is a 18% high volume upgrade of the M296. The cast aluminum housing is CNC mac

Product Features:
  • 10% Higher pressure high performance upgrade over M295
  • 18% higher volume high performance upgrade over M295 and 10295
  • Die cast aluminum housing
  • Cast iron cover
  • Standard replacement steel rotors
  • Adjustable pressure relief valve
  • Includes original stock replacement pressure spring; not installed
  • Uses 7/8 inch diameter bolt on screen
  • Includes oil pump and oil pump screen mounting o-ring seals
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Dorman – Harmonic Balancer Bolt (Part No.917-139)

Harmonic Balancer Bolt

from

$8.49
This engine harmonic balancer bolt 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 harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bolt 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.L6005GMC)

Engine Assembly

from

$3595.99
(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.
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Premium Drive Train – Engine Assembly (Part No.L6007GMC)

Engine Assembly

from

$3911.99
(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

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

$113.99
Made In USA. Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.
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Melling – Engine Oil Priming Tool (Part No.MPL-201)

Engine Oil Priming Tool

from

$355.99
Engine Oil Priming Tool

Dorman – Help – Engine Oil Filler Cap (Part No.42315)

Engine Oil Filler Cap

from

$13.99
This engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles.
  • Restores functionality – reliable replacement for an original part that is missing or cracked due to heat and 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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Carquest Premium – Engine Oil Filler Cap: 10099, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)

Engine Oil Filler Cap: 10099, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$9.99
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
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Dorman – Rear Main Seal Cover Kit (Part No.635-518)

Rear Main Seal Cover Kit

from

$74.99
Ensure the proper sealing of the engine with our Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent engine oil leakage.

Product Features:
  • Rear Main Seal Cover Kit.
  • Rear Main Seal Cover Kit.
  • Ensure the proper sealing of the engine with our Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent engine oil leakage.
  • SPECIAL TOOL REQUIRED FOR INSTALLATIONá- GM alignment tool J414792B or Dorman 635-000 (or equivalent) is required to properly install cover assembly. Failure to use the correct tool and installation procedures will result in seal leaks.
  • Comes with bolts and gaskets – everything necessary for a complete repair
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Dorman – Oil Fill Tube with Gasket (Part No.917-420)

Oil Fill Tube with Gasket

from

$29.99
This engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles.
  • Restores functionality – reliable replacement for an original tube that has failed due to fatigue and corrosion.
  • 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

Dorman – Engine Oil Filler Tube (Part No.917-412)

Engine Oil Filler Tube

from

$14.99
This engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles
  • Restores functionality – reliable replacement for an original tube that has failed due to fatigue and corrosion
  • 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

National – Shaft Repair Sleeve (Part No.99210)

Shaft Repair Sleeve

from

$47.49
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Upgrade your 2008 GMC W3500 Forward with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2008 GMC W3500 Forward, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Engine Parts are key to keeping your W3500 Forward functioning at its best. At Advance Auto Parts, we offer a wide selection of 25 Engine Parts for the 2008 GMC W3500 Forward, designed to meet your needs without breaking the bank. From Valve Cover and Cylinder Head replacements to Engine Internals 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 2008 GMC W3500 Forward at great prices. Our Engine Parts inventory for this model ranges from just $6.99 to $3,911.99, with an average price of $418.26. Our 25 Engine Parts in stock come from 8 trusted brands, so you’re sure to find the right part for your 2008 GMC W3500 Forward without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2008 GMC W3500 Forward, we stock popular OEM and aftermarket Engine Parts from top names like Dorman, National, Carquest Premium, and more. Dorman Engine Parts start at just $8.49 and boast an impressive 4 stars average rating from customers. National and Carquest Premium also bring quality to the table, with Engine Parts available starting at $9.99, and at an average 4 stars rating. With 83 customer reviews and counting, our 2008 GMC W3500 Forward Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.

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 2008 GMC W3500 Forward is always ready to roll. We’re committed to providing you with everything you need to keep your W3500 Forward in top shape, all in one place. Start shopping confidently below for your 2008 GMC W3500 Forward!

Best-Selling Valve Cover and Cylinder Heads for 2008 GMC W3500 Forwards

Enhance the driving experience in your GMC with 3 quality Valve Cover and Cylinder Head components, starting at $114.99.

Dorman – Valve Covers: With Gasket, Direct Replacement, Aluminum, Driver Side (Part No.264-965)

Valve Covers: With Gasket, Direct Replacement, Aluminum, Driver Side

from

$184.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:
  • Direct replacement – this valve cover matches the original equipment part for fit and function.
  • Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking.
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
See More

Spartan – Engine Cylinder Head; Chev 6.0/6.2 07-09 Cyl Head (Part No.2CT11)

Engine Cylinder Head; Chev 6.0/6.2 07-09 Cyl Head

from

$622.99
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 – Valve Covers: With Gasket, Direct Replacement, Aluminum, Passenger Side (Part No.264-759)

Valve Covers: With Gasket, Direct Replacement, Aluminum, Passenger Side

from

$114.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:
  • Direct replacement – this valve cover matches the original equipment part for fit and function
  • Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
See More

Most Popular 2008 GMC W3500 Forward Engine Internals

Customize your GMC with 4 Engine Internals products like Crankshaft Seals and Crankshaft Bolts, all priced under $29.99.

Dorman – Harmonic Balancer Bolt (Part No.917-139)

Harmonic Balancer Bolt

from

$8.49
This engine harmonic balancer bolt 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 harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bolt 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

National – Multi Purpose Seal (Part No.100470)

Multi Purpose Seal

from

$28.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -100°F to 450°F / -73°C to 232°
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

National – Multi Purpose Seal (Part No.100085)

Multi Purpose Seal

from

$10.29
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -100°F to 450°F; -73°C to 232°C
  • Resistant to hydrocarbon/oxygenate blends and provides superior performance
  • Provides excellent dry running capabilities, low coefficient of friction and excellent resistance to chemicals
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Crankshaft Seal (Part No.S-100085)

Crankshaft Seal

from

$29.99
Product Features:
  • Brand may vary by location
See More

Top Picks for 2008 GMC W3500 Forward Camshafts

Upgrade GMC W3500 Forwards with top-quality Camshafts parts, including 2 OEM and aftermarket selections for your 2008 model.

Dorman – Variable Valve Timing Solenoid (Part No.916-886XD)

Variable Valve Timing Solenoid

from

$54.99
The original variable valve timing (VVT) solenoid on certain GM and Isuzu vehicles can fail from debris, mishandling during maintenance or harsh operating conditions. This Dorman OE FIX VVT solenoid features multiple improvements, including a patented, upgraded copper core and additional oil passages to eliminate internal movement and extend service life.

Product Features:
  • Patented design – this VVT solenoid features an exclusive copper core and a stronger center tube to eliminate internal movement and help ensure long service life on specified GM and Isuzu vehicles.
  • Improves performance – modified design includes additional passages to help increase oil flow.
  • Hardware included – comes with hard-to-find gasket and high-grade hardware for a complete installation
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
  • Improved performance – modified design includes additional passages to increase oil flow
See More

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

$113.99
Made In USA. Melling engine assembly lube, MELL-LUBE, is formulated to be an initial lubricant on camshaft metal surfaces as well as related valve train parts. The added zinc material (1400 ppm) provides MELL-LUBE with added protection to prevent scoring and galling during initial engine start-up for both newly rebuilt and / or remanufactured engines. In addition, MELL-LUBE contains corrosion inhibitors to prevent rust and pitting of components. MELL-LUBE mixes with any engine oil and will not clog filters. Melling recommends MELL-LUBE be a part of every camshaft install.
See More

In-Demand Engine Timing Parts for 2008 GMC W3500 Forwards

Select from 2 premium Engine Timing Parts parts for your 2008 GMC W3500 Forward, with prices ranging from $47.49 to $55.99.

Dorman – Timing Cover Kit – Includes Gasket (Part No.635-517)

Timing Cover Kit - Includes Gasket

from

$55.99
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

National – Shaft Repair Sleeve (Part No.99210)

Shaft Repair Sleeve

from

$47.49
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Most Sold 2008 GMC W3500 Forward Engine Gaskets and Seals

Explore our best-selling GMC parts for the 2008 W3500 Forward among 1 OEM and aftermarket options starting from $74.99.

Dorman – Rear Main Seal Cover Kit (Part No.635-518)

Rear Main Seal Cover Kit

from

$74.99
Ensure the proper sealing of the engine with our Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent engine oil leakage.

Product Features:
  • Rear Main Seal Cover Kit.
  • Rear Main Seal Cover Kit.
  • Ensure the proper sealing of the engine with our Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent engine oil leakage.
  • SPECIAL TOOL REQUIRED FOR INSTALLATIONá- GM alignment tool J414792B or Dorman 635-000 (or equivalent) is required to properly install cover assembly. Failure to use the correct tool and installation procedures will result in seal leaks.
  • Comes with bolts and gaskets – everything necessary for a complete repair
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Top-Rated Engine Parts Brands For Your 2008 GMC W3500 Forward

Shop for the best-rated brands offering Engine Parts and other products for your 2008 GMC W3500 Forwards. Below you’ll find some of our best rated Engine Parts from Dorman, National, and Carquest Premium, and more. Engine Parts from these brands that fit a 2008 W3500 Forward start at just $8.49 and are rated as high as 4 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Dorman 2008 GMC W3500 Forward Engine Parts

When it comes to maintaining or upgrading your 2008 GMC W3500 Forward, using quality Engine Parts is essential to ensure durability and a perfect fit. Dorman ticks all of those boxes. We offer a wide selection of Dorman Engine Parts, specifically designed for the 2008 GMC W3500 Forward. With over 11 Dorman brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $8.49, with an average price of just $82.08. Plus, with over 38 customer reviews and an average rating of 4 stars, you can trust that our Dorman Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Variable Valve Timing Solenoid
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$54.99
This product is not rated

Variable Valve Timing Solenoid

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Harmonic Balancer Assembly
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$132.99
This product is not rated

Harmonic Balancer Assembly

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Engine Oil Filler Cap
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$13.99
This product is not rated

Engine Oil Filler Cap

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Popular National 2008 GMC W3500 Forward Engine Parts

National auto parts is one of the highest quality Engine Part brands in the market. Any 2008 GMC W3500 Forward owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 2008 W3500 Forward, Advance Auto Parts carries a full inventory of 3 National Engine Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Engine Parts range from $10.29 to $47.49, plus, with more than 14 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.

Multi Purpose Seal
from
$28.99

(7)

Multi Purpose Seal

“This picture may be deceiving! This seal looks lovely led exact match.”

Multi Purpose Seal
from
$10.29

(7)

Multi Purpose Seal

“Worked outgreat for me. Was exact fit a d appeared to be equivalent quality of a OEM. Satisfied”

Shaft Repair Sleeve
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$47.49
This product is not rated

Shaft Repair Sleeve

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FAQs for 2008 GMC W3500 Forward Engine Parts

Which Engine Parts are best-sellers for 2008 GMC W3500 Forwards?

Out of 25 Engine Parts that fit 2008 GMC W3500 Forwards, the following parts are the top sellers:

What’s the price range for 2008 GMC W3500 Forward Engine Parts?

Engine Part prices for the 2008 GMC W3500 Forward start at $6.99 and go up to $3,911.99 for the most premium parts.

What’s the average price of a Engine Part for a 2008 GMC W3500 Forward?

The average price for Engine Parts for the 2008 GMC W3500 Forward is $418.26. 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 GMC W3500 Forward model years?

Yes, we currently carry Engine Parts for 13 model years of GMC W3500 Forwards between 1995 and 2007. Engine Parts are bought most frequently for the following model years: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, and 1999.

What are the cheapest Engine Parts for my 2008 GMC W3500 Forward?

The cheapest 2008 GMC W3500 Forward Engine Parts we carry in stock are:

What are the top-rated Engine Parts that fit the 2008 GMC W3500 Forward?

Out of 83 reviews by customers, our 2008 GMC W3500 Forward Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2008 GMC W3500 Forward and their top-rated products:

What types of Engine Parts do you sell for my 2008 GMC W3500 Forward?

As of 2/5/25, these are some of the most in-demand types of Engine Parts for a 2008 GMC W3500 Forward:

Can I get help with 2008 GMC W3500 Forward Engine Part orders?

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

What is your return policy for GMC W3500 Forward Engine Parts?

Advance Auto Parts keeps returns simple. For new GMC W3500 Forward Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.