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Chevrolet GMC 2500 Truck Engine Parts

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  • Quantity
  • Price
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  • Engine Oil Cooler Line Replaces 15203890, 15765439 For Chevrolet, GMC, Cadillac 1999-2005

    Engine Oil Cooler Line Replaces 15203890, 15765439 For Chevrolet, GMC, Cadillac 1999-2005

    DAYTON / DORMAN

    $147.99
    Engine Oil Cooler Line Fits Chevrolet, GMC, Cadillac 1999-2005* High Quality Engine Oil Cooler Line* Made Of Rubber* Color/Finish: Natural* Hose Attachment End 1: Block Connector* Hose Attachment End...
    12-07120009
    SKU:
    12-07120009
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $147.99
    Qty in Cart: 0
    Price:
    $147.99
    Subtotal:
  • Valve Cover Replaces 12642655, 8-12642-655-0 For GMC, Isuzu, Saab Driver Side

    Valve Cover Replaces 12642655, 8-12642-655-0 For GMC, Isuzu, Saab Driver Side

    DAYTON / DORMAN

    $113.99
    Driver Side Valve Cover Fits GMC, Isuzu, Saab* High Quality Engine Valve Cover* Made Of Aluminum* Dimensions - 19.52 Inch Length - 4.52 Inch Width - 2.25 Inch Height* Oil Filler Cap NOT Included*...
    12-07120008
    SKU:
    12-07120008
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Isuzu
    Product Type:
    Engine Parts
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • Pressurized Coolant Reservoir Replaces 15203949, 15778386, 19353731 For Chevrolet, GMC, Cadillac, Hummer

    Pressurized Coolant Reservoir Replaces 15203949, 15778386, 19353731 For Chevrolet, GMC, Cadillac, Hummer

    DAYTON / DORMAN

    $84.99
    Pressurized Coolant Reservoir Fits Chevrolet, GMC, Cadillac & Hummer* High Quality Pressurized Coolant Reservoir Direct Replacement* Made Of Plastic* Cap Included: Yes* Cap Maximum Pressure Rating:...
    12-07120007
    SKU:
    12-07120007
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • 4 Wheel Drive Transfer Case Motor Assembly Replaces 19258696, 23369032, 84109212 For Cadillac, Chevrolet, GMC

    4 Wheel Drive Transfer Case Motor Assembly Replaces 19258696, 23369032, 84109212 For Cadillac, Chevrolet, GMC

    DAYTON / DORMAN

    $424.99
    4 Wheel Drive Transfer Case Motor Assembly Fits Cadillac, Chevrolet & GMC* High Quality 4WD Transfer Case Motor Assembly* Connector Gender: Female* Connector Quantity: 1* Connector Shape:...
    12-07120006
    SKU:
    12-07120006
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Frame & Chassis
    $424.99
    Qty in Cart: 0
    Price:
    $424.99
    Subtotal:
  • Exhaust Manifold Kit Replaces 12556078, 12562235, 12562330, 12564155 For GMC 1999-2017

    Exhaust Manifold Kit Replaces 12556078, 12562235, 12562330, 12564155 For GMC 1999-2017

    DAYTON / DORMAN

    $152.99
    Exhaust Manifold Kit Fits GMC - Replaces 12571678, 12602037 & 12616285* High Quality Exhaust Manifold* Includes: - Exhaust Manifold - 1 Manifold Gasket - 1 Flange Gasket - 3 Studs - 3 Nuts* Natural...
    12-07120004
    SKU:
    12-07120004
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Exhaust
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • Exhaust Manifold Kit Replaces 12569416, 12569530, 12578341, 12602038 For GMC 2002-2017

    Exhaust Manifold Kit Replaces 12569416, 12569530, 12578341, 12602038 For GMC 2002-2017

    DAYTON / DORMAN

    $207.99
    Exhaust Manifold Kit Fits GMC - Replaces 12616286, 12648339 & 12677665* High Quality Exhaust Manifold* Includes: - Exhaust Manifold - 1 Manifold Gasket - 2 Flange Gaskets - 3 Studs - 3 Nuts* Natural...
    12-07120003
    SKU:
    12-07120003
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Exhaust
    $207.99
    Qty in Cart: 0
    Price:
    $207.99
    Subtotal:
  • Cylinder Deactivation Manifold Replaces 12571609, 12580901 For GMC, Isuzu, Saab

    Cylinder Deactivation Manifold Replaces 12571609, 12580901 For GMC, Isuzu, Saab

    DAYTON / DORMAN

    $349.99
    Cylinder Deactivation Manifold Fits GMC, Isuzu & Saab* High Quality Cylinder Deactivation Manifold* Made Of Aluminum* Connector Color: Black* Connector Gender: Female* Housing Length: 501 Mm* Housing...
    12-07120002
    SKU:
    12-07120002
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Isuzu
    Product Type:
    Engine Parts
    $349.99
    Qty in Cart: 0
    Price:
    $349.99
    Subtotal:
  • Rear Main Seal Cover Kit Replaces 12633579, 12639250, 8-12572-014-0 For GMC, Isuzu, Saab

    Rear Main Seal Cover Kit Replaces 12633579, 12639250, 8-12572-014-0 For GMC, Isuzu, Saab

    DAYTON / DORMAN

    $77.99
    Rear Main Seal Cover Kit Fits GMC, Isuzu & Saab* High Quality Rear Main Seal Cover* Made Of Aluminum* Inside Diameter (In): 2.7 In* Length (In): 10 In* Material: Aluminum* Package Contents: Cover;...
    12-07120001
    SKU:
    12-07120001
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Isuzu
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • Front Impact Sensor For GMC Yukon, Sierra, Chevrolet Silverado, Avalanche, Cadillac Escalade

    Front Impact Sensor For GMC Yukon, Sierra, Chevrolet Silverado, Avalanche, Cadillac Escalade

    DAYTON / DORMAN

    $170.99
    Front Impact Sensor Fits GMC, Chevrolet, Cadillac - Replaces 20926379, 2096379 & 25794815* High Quality Front Impact Sensor* Connector Gender: Female* Connector/Terminal Configuration: 2 Pin* Sold...
    12-07100006
    SKU:
    12-07100006
    Truck Class:
    Heavy Duty
    Make:
    Mack
    $170.99
    Qty in Cart: 0
    Price:
    $170.99
    Subtotal:
  • Engine Knock Sensor Harness Replaces 12601822 For GMC, Isuzu, Saab

    Engine Knock Sensor Harness Replaces 12601822 For GMC, Isuzu, Saab

    DAYTON / DORMAN

    $41.19
    Engine Knock Sensor Harness Fits GMC, Isuzu & SaabReplace your worn-out engine knock sensor harness with this direct replacement. Made to match the original, it restores functionality lost to...
    12-07100004
    SKU:
    12-07100004
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Isuzu
    Product Type:
    Engine Parts
    $41.19
    Qty in Cart: 0
    Price:
    $41.19
    Subtotal:
  • Valve Cover Kit W/ Gaskets Replaces 12570427, 8-12561-820-0, 8-12570-427-0 For GMC, Isuzu, Saab

    Valve Cover Kit W/ Gaskets Replaces 12570427, 8-12561-820-0, 8-12570-427-0 For GMC, Isuzu, Saab

    DAYTON / DORMAN

    $214.99
    Valve Cover Kit W/ Gaskets Fits GMC, Isuzu & Saab* High Quality Engine Valve Cover* Made Of Aluminum* Dimensions - 19.5 Inch Length - 5 Inch Width - 3 Inch Height* Oil Filler Cap NOT Included* Valve...
    12-07100003
    SKU:
    12-07100003
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Isuzu
    Product Type:
    Engine Parts
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • Engine Oil Pressure Sensor With Filter For Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac 2009-2019

    Engine Oil Pressure Sensor With Filter For Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac 2009-2019

    DAYTON / DORMAN

    $50.99
    Engine Oil Pressure Sensor With Filter - Replaces 12585328 & 12673134* High Quality Engine Oil Pressure Sensor* Made Of Plastic* Color/Finish: Silver; Black* Connector Color: Black* Connector Gender:...
    12-07100002
    SKU:
    12-07100002
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Engine Oil Pressure Sensor With Filter For Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac 1997-2008

    Engine Oil Pressure Sensor With Filter For Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac 1997-2008

    DAYTON / DORMAN

    $55.99
    Engine Oil Pressure Sensor With Filter - Replaces 12585328, 12614969, 12616646 & 12677836* High Quality Engine Oil Pressure Sensor* Made Of Plastic And Metal* Color/Finish: Silver; Black* Connector...
    12-07100001
    SKU:
    12-07100001
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • Transmission Oil Cooler Replaces 20880895 For GMC, Chevrolet, Cadillac 1999-2014

    Transmission Oil Cooler Replaces 20880895 For GMC, Chevrolet, Cadillac 1999-2014

    DAYTON / DORMAN

    $199.99
    Transmission Oil Cooler Fits GMC, Chevrolet & Cadillac* High Quality Transmission Oil Cooler* Made Of Aluminum* Color/Finish: Black* Cooler Inlet Size: Quick Connector* Cooler Outlet Size: Quick...
    12-07050001
    SKU:
    12-07050001
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $199.99
    Qty in Cart: 0
    Price:
    $199.99
    Subtotal:
  • FASS Mounting Package For Fuel Pumps For Chevrolet Silverado, GMC Sierra

    FASS Mounting Package For Fuel Pumps For Chevrolet Silverado, GMC Sierra

    FASS

    $105.99
    Mounting Package For Fuel Pumps Fits Chevrolet Silverado, GMC Sierra* High Quality Mounting Package* Made In The USA* Sold Individually* Warranty On Mounting Packages Against Defects In Workmanship &...
    12-07030035
    SKU:
    12-07030035
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • FASS Mounting Package For Fuel Pumps W/ 250 Or 260 GPH Flow Rating For Chevrolet Silverado, GMC

    FASS Mounting Package For Fuel Pumps W/ 250 Or 260 GPH Flow Rating For Chevrolet Silverado, GMC

    FASS

    $111.99
    Mounting Package For Fuel Pumps W/ 250 Or 260 GPH Flow Rating* High Quality Mounting Package* Made In The USA* Sold Individually* Warranty On Mounting Packages Against Defects In Workmanship &...
    12-07030034
    SKU:
    12-07030034
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $111.99
    Qty in Cart: 0
    Price:
    $111.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating For Chevrolet Silverado 2500 1992-2000, GMC SIERRA 2500 1992-2000 & 3500 1992-2000

    Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating For Chevrolet Silverado 2500 1992-2000, GMC SIERRA 2500 1992-2000 & 3500 1992-2000

    FASS

    $177.99
    Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 100 Or 165 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty...
    12-07030033
    SKU:
    12-07030033
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 125, 120, or 240 GPH Flow Ratings For Chevrolet Silverado 2500, 3500, GMC SIERRA 2500, 3500 2017-2019

    Mounting Package For Fuel Pump W/ 125, 120, or 240 GPH Flow Ratings For Chevrolet Silverado 2500, 3500, GMC SIERRA 2500, 3500 2017-2019

    FASS

    $217.99
    Mounting Package For Fuel Pump W/ 125, 120, or 240 GPH Flow Ratings* High Quality Mounting Package* For Fuel Pumps With 125, 220, Or 240 Gallons Per Hour Flow Rating* Made In The USA* Sold...
    12-07030031
    SKU:
    12-07030031
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $217.99
    Qty in Cart: 0
    Price:
    $217.99
    Subtotal:
  • FASS Mounting Package For Fuel Pumps W/ 250 Or 260 GPH Flow Rating For Chevy, GMC

    FASS Mounting Package For Fuel Pumps W/ 250 Or 260 GPH Flow Rating For Chevy, GMC

    FASS

    $143.99
    Mounting Package For Fuel Pumps W/ 250 Or 260 GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 250 Or 260 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty...
    12-07030030
    SKU:
    12-07030030
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $143.99
    Qty in Cart: 0
    Price:
    $143.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 220 Or 260.GPH Flow Rating For Chevrolet Silverado 2500, 3500, 2500

    Mounting Package For Fuel Pump W/ 220 Or 260.GPH Flow Rating For Chevrolet Silverado 2500, 3500, 2500

    FASS

    $124.99
    Mounting Package For Fuel Pump W/ 220 Or 260.GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 220 Or 260 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty...
    12-07030029
    SKU:
    12-07030029
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Product Type:
    Engine Parts
    $124.99
    Qty in Cart: 0
    Price:
    $124.99
    Subtotal:
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Adding your products to cart

The Chevrolet GMC 2500 Truck Engine Parts product lineup offers a wide selection of essential components for maintaining and upgrading engines in models like the Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500. Explore trusted brands like FASS and Diesel Fuel Cooler, which provide reliable replacements and upgrades to improve power, efficiency, and durability.

Frequently Asked Questions About Chevrolet GMC 2500 Truck Engine Parts

Will these engine parts fit my specific Chevrolet or GMC 2500 model year and engine size?

Chevrolet and GMC 2500 trucks have been built with several different engine options over the years, including various gas and diesel configurations such as the Duramax line, so fit can vary significantly between model years. Always check the listed year range, engine size, and engine code on each product page against your truck's specifications before ordering. If you are unsure, have your VIN and engine identification number on hand so our team can confirm compatibility.

What materials and finishes are these engine parts made from?

Engine parts in this category are typically made from materials chosen for heat resistance and durability, such as cast aluminum, steel, and various composite or rubber components depending on the specific part. Finishes vary by manufacturer and part type, ranging from raw or painted metal to coated or plated surfaces designed to resist corrosion and engine bay heat. Product descriptions will note the specific material and finish for each item.

Are these parts OEM, aftermarket, or a direct replacement for factory components?

This category includes a mix of OEM and quality aftermarket engine parts. Aftermarket components are generally designed to match factory fit, form, and function, but they may differ slightly in construction or materials from the original part. Each product listing will indicate whether the item is OEM or aftermarket so you can choose based on your budget and preference.

Do I need professional installation, or can these engine parts be installed at home?

Some engine parts, such as gaskets, sensors, or smaller components, can be installed by an experienced DIY mechanic with the proper tools. Others, particularly parts involving major engine assembly work, torque specifications, or emissions-related systems, are best handled by a qualified technician to ensure proper function and safety. If you are unsure about the complexity of a specific part's installation, it is a good idea to consult a repair manual or professional before starting the job.

Will installing these parts affect my truck's warranty or emissions compliance?

Replacing engine parts with aftermarket components can potentially affect emissions compliance depending on your local regulations, especially for parts related to the exhaust or emissions control systems. It can also impact factory warranty coverage in some cases, particularly if a part failure is linked to the modification. We recommend reviewing your truck's warranty terms and checking local emissions regulations before installing any aftermarket engine components.


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