1981 GMC K1500 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

King SI-Series Main Bearings MB 557SISTDX

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

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Sealed Power Main Bearing Sets 4663M 1

Main Bearings, .001 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M1

5.0 out of 5 stars ( 1 )

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Continental OE Technology Series V-belts 15450

Belt, Elite, V-Belt, 7/16 in. Width, 44.50 in. Length, Each

Part Number: CEL-15450

5.0 out of 5 stars ( 1 )

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Sealed Power CP-Series Rod Bearings 8-2555CP 1

Sealed Power CP-Series Rod Bearings 8-2555CP 1

Rod Bearings, CP-Series, Tri Metal, 0.001 in. Crankshaft Undersize, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555CP1

4.33 out of 5 stars ( 3 )

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Derale Oil Filter Adapters 15705

Oil Filter Adapter, Spin-on Bypass, Aluminum, Polished, 13/16-16 in. Thread, 1/2 in. NPT Inlet/Outlet, Each

Part Number: DER-15705

3.67 out of 5 stars ( 3 )

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Cloyes Replacement Timing Chains C499

Timing Chain, Replacement, Single Roller, Steel, Cadillac, Chevy, Each

Part Number: CLO-C499

Not Yet Reviewed

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Hastings Piston Ring Sets 139040

Piston Rings, Phosphate Coated, 4.039 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139040

4.5 out of 5 stars ( 2 )

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Continental OE Technology Series V-belts 13465

Belt, Elite, V-Belt, 3/8 in. Width, 46.50 in. Length, Each

Part Number: CEL-13465

5.0 out of 5 stars ( 2 )

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Cloyes Wear Plates 9-220B

Camshaft Wear Plate, 0.150 in. Thick, Bronze, Chevy, Chrysler, Each

Part Number: CLO-9-220B

5.0 out of 5 stars ( 2 )

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Hastings Premium Ductile Ring Sets 5499030

Piston Rings, Phosphate Coated, 3.765 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-5499030

Not Yet Reviewed

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King SI-Series Main Bearings MB 557SI 040

Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI040

Not Yet Reviewed

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Trans-Dapt Performance Timing Covers 9411

Timing Cover only Chevy 283-350 Unplated

Part Number: TRD-9411

3.0 out of 5 stars ( 2 )

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Mr. Gasket Alternator Brackets 9850

Alternator Bracket, F-Style, Chrome Plated, Each

Part Number: MRG-9850

5.0 out of 5 stars ( 1 )

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Mr. Gasket Timing Tape 1588

Timing Tape, 6 3/4 in. Diameter Balancer, Chevy, Small Block, Each

Part Number: MRG-1588

3.5 out of 5 stars ( 4 )

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Dorman Timing Covers 635-510

Timing Cover, One-piece, Steel, Black, Chevy, GMC, Small Block, Each

Part Number: RNB-635-510

5.0 out of 5 stars ( 3 )

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Mahle Original OE Replacement Pistons S224-3543.030

Single Piston

Part Number: MAH-S2243543030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-104-B

Freeze Plug Kit, Brass, Chevy, 153, L4, 194, 230, 250, 292 L6, Kit

Part Number: PIO-PE-104-B

4.0 out of 5 stars ( 5 )

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Sealed Power A-Series Rod Bearings 8-2555A 1

Rod Bearings, 0.001 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Checker, Chevy, Pontiac, Hummer, V8, Set of 8

Part Number: SLP-8-2555A1

Not Yet Reviewed

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Continental OE Technology Series V-belts 15506

Belt, Elite, V-Belt, 7/16 in. Width, 50.00 in. Length, Each

Part Number: CEL-15506

4.75 out of 5 stars ( 4 )

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Proform Harmonic Balancer Covers 66517BKC

Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66517BKC

5.0 out of 5 stars ( 4 )

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Continental OE Technology Series V-belts 15485

Belt, Elite, V-Belt, 7/16 in. Width, 48.00 in. Length, Each

Part Number: CEL-15485

Not Yet Reviewed

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Hastings Claimer Series Performance Piston Ring Sets CM5532S030

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-CM5532S030

Not Yet Reviewed

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Sealed Power MA Series Main Bearings 4663MA 20

Main Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

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Sealed Power A-Series Rod Bearings 8-2555A X2

Connecting Rod Bearing Set

Part Number: SLP-82555AX2

Not Yet Reviewed

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Mahle Original Standard Piston Ring Sets 50564CP.020

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP020

Not Yet Reviewed

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