2003 GMC SIERRA 1500 HD Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Dorman Oil Pans 264-135

Oil Pan, Stock, Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, 4.8L, 5.3L, 6.0L, Each

Part Number: RNB-264-135

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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ATI Super Damper Serpentine Series Harmonic Balancers ATI918629

Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Chevy, GMC, LS, Each

Part Number: ATI-918629

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Sealed Power CP-Series Rod Bearings 2555CP

Rod Bearing, Standard Size, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Oldsmobile, L6, V8, Each

Part Number: SLP-2555CP

4.75 out of 5 stars ( 4 )

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Fel-Pro Headbolt Kits ES 72173

Cylinder Head Bolts, Chevy LS 4.8, 5.3, 5.7, 6.0L, 1 Cylinder Head, Kit

Part Number: FEL-ES72173

4.14 out of 5 stars ( 22 )

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ACL Performance Race Series Rod Bearing Sets 8B663HC-STD

Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HC-STD

Not Yet Reviewed

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Sealed Power A-Series Rod Bearings 8-2555A

Sealed Power A-Series Rod Bearings 8-2555A

Rod Bearings, A-Series, Bi Metal, Standard Size, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555A

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Melling Camshaft Thrust Plates MF127

Camshaft Thrust Plate, Solid Type, Cast Iron, Avanti, Buick, Cadillac, Chevy, GMC, Pontiac, V8, Each

Part Number: MEL-MF127

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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King HP-Series Cam Bearings CS5171HP

Cam Bearings, HP Series, Performance, Bi-Metal, Aluminum/Silicon, 0.775 in. Width, Standard Clearance, Chevy, GMC, LS Based, 4.8-6.2L, Set of 5

Part Number: KGB-CS5171HP

Not Yet Reviewed

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King XP-Series Rod Bearings CR 807XPN 010

Rod Bearings, XP-Series, Tri-Metal, .010 in. Crankshaft Undersize, Narrowed, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN010

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Dorman Timing Covers 635-522

Engine Timing Cover, 1-Piece, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, LS V8, Each

Part Number: RNB-635-522

4.0 out of 5 stars ( 2 )

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Clevite H-Series Main Bearings MS-2199H-10

Main Bearings, H Series, .010 in. Crankshaft Undersize, Tri Metal, Chevy, LS, Set of 5

Part Number: CLE-MS2199H10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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King SI-Series Rod Bearings CR 807SI

Rod Bearings, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SI

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Derale Engine Oil Filter Relocation Kits 15748

Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, Various Engine Threads, Kit

Part Number: DER-15748

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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King HP-Series Cam Bearings CS5171HPT

Cam Bearings, Performance, Bi-metal, Fluoropolymer Lead-Based Micro Babbitt, Chevy LS, 3rd Design, Set of 5

Part Number: KGB-CS5171HPT

Not Yet Reviewed

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Melling Oil Pump Pickup Retainers M29500

Oil Pump Pickup Retainer Bracket, With Bolt, Chevy LS, Each

Part Number: MEL-M29500

4.47 out of 5 stars ( 15 )

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Clevite AL-Series Main Bearings MS-2199A

Main Bearings, AL Series, Standard Size, LS, Set of 5

Part Number: CLE-MS2199A

5.0 out of 5 stars ( 2 )

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VEGE Remanufactured Long Block Crate Engines VCTF4WD

Crate Engine, Remanufactured, Long Block, Assembled, GM, 6.0L, 4WD, Each

Part Number: VRE-VCTF4WD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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King XP-Series Main Bearings MB5013XP 010X

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP010X

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Melling Timing Chain Dampener Brackets BD417-DBRKT

Timing Chain Dampener Brackets, Steel, Black, Chain Damper, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Kit

Part Number: MEL-BD417-DBRKT

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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ACDelco Drive Belt Tensioners 88929140

Drive Belt Tensioner Assembly

Part Number: ADO-38158

5.0 out of 5 stars ( 2 )

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Hastings Piston Ring Sets 2M4860030

Piston Rings, Plasma-moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Mahle Original Premium Piston Ring Sets 41858CP

Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP

5.0 out of 5 stars ( 1 )

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King HP-Series Main Bearings MB5013HPSTDX

Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Chevrolet, 5.7L, Set of 5

Part Number: KGB-MB5013HPSTDX

Not Yet Reviewed

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Cloyes Heavy-Duty Timing Sets C-3220

Timing Chain Kit, Single Roller Style, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Kit

Part Number: CLO-C3220

4.1 out of 5 stars ( 10 )

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Earl's Performance Oil Cooler Adapters LS0012ERL

Oil Cooler Adapter, Right Angle, -10 AN Inlet, -10 AN Outlet, Billet Aluminum, Black Anodized, Hardware, Each

Part Number: EAR-LS0012ERL

5.0 out of 5 stars ( 5 )

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