2003 GMC SIERRA-1500-HD Engines & Components

DEMANDING DRIVE KIT, DAYCO

Part Number: DAC-D60923K1

Not Yet Reviewed

Estimated Ship Date: Today

Oil Pump, OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: SLP-224-43645

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Estimated Ship Date: Today

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Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Idler Pulley, Replacement, Serpentine, 6-groove, Steel, Black, Buick, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Each

Part Number: ADO-38009

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Tensioner Pulley, 8-Rib, Serpentine, Billet Aluminum, Natural, Chevy, GMC, LS, Each

Part Number: INW-973

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Oil Filler Cap, Plastic, Black, Twis-In, Chevy, Buick, Cadillac, Chrysler, GMC, Saab, Each

Part Number: SNN-MO99

Not Yet Reviewed

Estimated Ship Date: Today

Rocker Arm Single Offset

Part Number: PQX-0236431-01

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 93.00 in. Length, Each

Part Number: CEL-4060930

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Timing Cover, Distributor Conversion, Aluminum, Natural, LS GEN III, Kit

Part Number: PQX-5234600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Rod Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND011

Not Yet Reviewed

Estimated Ship Date: Today

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: RNB-419-602

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Main Bearings, XP-Series, Performance, .001 Extra Clearance, Tri-Metal, Dart LS Next, Set of 5

Part Number: KGB-MB5777XPSTDX

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Timing Chain, Single Roller, Replacement, Chevrolet, Small Block, LS, Each

Part Number: CLO-9-302

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

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• Special Order

ROTOR DRIVE

Part Number: CLO-9-228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

Not Yet Reviewed

Estimated Ship Date: Today

Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M1

Not Yet Reviewed

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PCV Valve Cover Grommet, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-42055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Cover Grommet, Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Set of 8

Part Number: MAH-GS33466

Not Yet Reviewed

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Engine Camshaft, High Performance Camshaft

Part Number: MEL-22307

Not Yet Reviewed

Estimated Ship Date: Today

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Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.005 in. Reduced Center, Each

Part Number: CLO-9-131-5

Not Yet Reviewed

Estimated Ship Date: Today

PCV Valve Hose, GM OE, Rubber, Black, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-12556932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rod Bearings, HP-Series, Silicon Aluminum, 0.001 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND001

Not Yet Reviewed

Estimated Ship Date: Today

Oil Pan, Aluminum, Natural, Cadillac, Chevy, GMC, Hummer, Small Block LS, Each

Part Number: SGT-GMP53A

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Timing Set, Single Roller, Steel Sprockets, 0.390 in. Raised Cam, Chevy, LS, Set

Part Number: CLO-9-3658TX9ZR

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, 13/16-16 in. Engine Threads, Kit

Part Number: DER-15716

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today