GMC SIERRA 2500 HD CLASSIC Engines & Components

Connecting Rod Bolt, M9 Thread Size, Steel, Chevy, Gen III LS, Each

Part Number: NAL-11610158

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Rod Bearings, Race Series, Tri-Metal, .010 in., .25mm Crankshaft Undersize, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663H-010

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Idler Pulleys, GM OE, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12669569

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Lifter, Hydraulic Roller, 0.842 in. O.D., Chevy, Each

Part Number: ADO-HL124

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Underdrive Harmonic Damper, 25% Underdrive, SFI 18.1, Chevrolet/GMC 4.8L/5.3L/6.0L Trucks/SUVs, Long Spacing, Each

Part Number: TFS-18012

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Rod Bearings, Standard Size, Tri Metal, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555CP

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, P Series, 1/2 Groove, .010 in. Crankshaft Undersize, Tri Metal, Chevy, 4.8, 5.3, 5.7L, Set of 5

Part Number: CLE-MS2199P10

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Valve, Intake, 2.000 in. Diameter, 0.314 in. Stem, 4.869 in. Length, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Small Block LS, Each

Part Number: MEL-V2000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Crankshaft Key, Long Type, 0 degree Offset, Steel, Natural, Chevy, Each

Part Number: NAL-12561513

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Main Bearings, XP-Series, Performance, Tri-Metal, Dart LS Next, Set of 5

Part Number: KGB-MB5777XP

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Idler Pulleys, Professional, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Workhorse, Workhorse Custom Chassis, Each

Part Number: ADO-36299

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Harmonic Balancer, Supercharger Performance, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, V8, Each

Part Number: PBB-PBO81190SC10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Cam Retainer Plate Bolt, Roller Cam, Chevy, Small Block, Each

Part Number: NAL-14093637

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Camshaft Thrust Plate, Solid Type, Steel, Includes Four Bolts, Chevy, Small Block LS, Each

Part Number: FEL-ES73115

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Filter, Canister, 22mm x 1.5 Thread, 3.350 in. High, common on 2007+ LS, Each

Part Number: SUM-127001

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Valve Covers, Tall, Centerbolt, Cast Aluminum, Red Textured Powdercoated, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Chevy Small Block LS, Pair

Part Number: GRN-640363

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Rod Bearings, HP-Series, .010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Engine Valve Spring, Standard, Replacement, Single, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Saab, LS Engine, Each

Part Number: ADO-12706568

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Pistons, Hypereutectic, Flat, 4.020 in. Bore, Cadillac, Chevy, GMC, Hummer, Set of 8

Part Number: SLP-H1129CPA50MM

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Rod Bearing, 0.010 in. Crankshaft Undersize, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Oldsmobile, L6, V8

Part Number: SLP-2555CP10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Rod Bearings, HP-Series, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Cylinder Head Stud, 4135 Steel, 12-Point Nuts, Chevy, GMC, 6.6L/400, Diesel, LB-7, LLY, LBZ,LMM,LML, Kit

Part Number: PQX-1040301

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Oil Filter, Canister, Chevy, GMC, Hummer, 6.6L Diesel, Each

Part Number: ADO-PF2232

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Accessory Belt Tensioner, Serpentine, 6-rib, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12609719

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Piston Rings, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-979K

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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