2004 GMC SIERRA 2500 HD Engines & Components

Harmonic Balancer, Super Damper, Internal Balance, Steel, Black, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: ATI-917286

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Harmonic Balancer, External Balance, Steel, Black, Chevy/GMC, Duramax Diesel, Each

Part Number: FLU-890101

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Harmonic Balancer, Supercharger Super Damper, Internal Balance, Steel, Black, Chevy, GMC, Small Block LS, Each

Part Number: ATI-917285

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Camshaft, Engine Camshaft Kit

Part Number: MEL-CS-MTC-8

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Camshaft Kit, Stock Replacement, Hydraulic Roller, OE Roller, Lifters Included, Avanti, Cadillac, Chevy, GMC, Hummer, Pontiac, 5.7L LS, 6.0L LS, Kit

Part Number: MEL-CL-MC1384

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 196/201, Lift .467/.479, Chevy, LS1, LQ9, Each

Part Number: NAL-12561721

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Harmonic Balancer, Chevy, GMC, 6.6L Duramax, Internal Balance, Steel, Black, Each

Part Number: FLU-760131

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Cylinder Heads, Remanufactured, Assembled, Cast Iron, Natural, Right, Chevy, GMC, Workhorse, Workhorse Custom Chassis, 8.1L, Each

Part Number: VRE-2CW2R

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 4, 2026 if ordered today

• Core Charge $155.00
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Cylinder Heads, Remanufactured, Assembled, Cast Iron, Natural, Left, Chevy, GMC, Workhorse, Workhorse Custom Chassis, 8.1L, Each

Part Number: VRE-2CW2L

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 4, 2026 if ordered today

• Core Charge $155.00
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Pulley Set, Serpentine, Steel, Black, Chevy, Small Block, Set of 3

Part Number: JET-90143

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Estimated Ship Date: Jul 22, 2026 if ordered today

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Rocker Arm Bridge, Billet Steel, 6.6L, Duramax, Chevy, GMC, Each

Part Number: FLE-FPE-BRAB-D1

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Estimated Ship Date: Jun 2, 2026 if ordered today

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PISTON

Part Number: MAH-2244085WR

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Piston With Rings - GM 6.6L DURAMAX "L" W/PCR - .040 (DSL)

Part Number: MAH-2243451WR040

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Estimated Ship Date: May 27, 2026 if ordered today

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Engine Cylinder Head 04-06 CHV/GMC/Hummer 6.6L

Part Number: EGN-EHC402-2

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Estimated Ship Date: May 18, 2026 if ordered today

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Piston With Rings - GM 6.6L DURAMAX "R" W/PCR - .040 (DSL)

Part Number: MAH-2243452WR040

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Estimated Ship Date: May 28, 2026 if ordered today

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PISTON

Part Number: MAH-2244086

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Estimated Ship Date: May 28, 2026 if ordered today

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Piston With Rings - GM 6.6L DURAMAX "L" W/PCR - STD. (DSL) (.030)

Part Number: MAH-2243451WR030

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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PISTON

Part Number: MAH-2244086WR

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Camshaft, Engine Camshaft Kit

Part Number: MEL-CS-MTC-7

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Piston With Rings - GM 6.6L DURAMAX "L" W/PCR - STD. (DSL)

Part Number: MAH-2243451WR

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Piston With Rings - GM 6.6L DURAMAX "R" W/PCR - STD. (DSL) (.030)

Part Number: MAH-2243452WR030

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Estimated Ship Date: May 27, 2026 if ordered today

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Piston With Rings, Hypereutectic, Dish, 6.0L, 2nd Design, Set of 8

Part Number: MAH-2243663WR050

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Estimated Ship Date: May 28, 2026 if ordered today

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