1981 CHEVROLET K20 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Proform Timing Tabs 141-202

Timing Pointer, Steel, Chrome, 8 in. Balancer, Chevy, Small Block, Each

Part Number: PRO-141-202

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Valve Cover Grommets 42061

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

Part Number: RNB-42061

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Valve Cover Grommets 42056

PCV Valve Cover Grommet, Buick, Oldsmobile, Pontiac, Each

Part Number: RNB-42056

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Oil Pan Drain Plugs 65147

Oil Pan Drain Plug, 1/2-20 in. Thread Size, Seal, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Plymouth, Jeep, Each

Part Number: RNB-65147

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

WIX Filters Crankcase Breather Elements 42995

Crankcase Breather Element, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: WIX-42995

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power CP-Series Rod Bearings 2555CP 1

Rod Bearing, 0.001 in. Crankshaft Undersize, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555CP1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Oil Pan Drain Plugs 090-052CD

Oil Drain Pan Plugs, Plug, Thread Size 1/2-20 in. UNC, Each

Part Number: RNB-090-052CD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power Oil Pump Driveshaft Locking Sleeves 224-43343

Sealed Power Oil Pump Driveshaft Locking Sleeves 224-43343

Oil Pump Shaft Guide, Nylon, Chevy, V6/V8, Each

Part Number: SLP-224-43343

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Crankcase Breather Filters 19112815

Crankcase Breather Filter, Plastic, White, Each

Part Number: ADO-A2986C

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fram Defense Oil Filters DL30

Oil Filter, Defense, Cartridge Style, Each

Part Number: FRM-DL30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cloyes Timing Crankshaft Sprockets S289

Crankshaft Spocket, Timing Chain, Steel, Chevrolet, Small Block, Each

Part Number: CLO-S289

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Valve Cover Grommets 42052

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

Part Number: RNB-42052

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power A-Series Rod Bearings 2555A 30

Rod Bearing, 0.030 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555A30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Oil Pump Shaft Guides 72665

Oil Pump Driveshaft Locking Sleeves, Nylon, Buick, Chevrolet, Cadillac, GMC, Oldsmobile, Pontiac, Checker, Studebaker, V6/V8, Each

Part Number: FEL-72665

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power CP-Series Rod Bearings 2555CP 30

Rod Bearing, 0.030 in. Crankshaft Undersize, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555CP30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Trans-Dapt Performance Oil Filter Bypass Adapter Base Gaskets 1035

Base Gasket for Bypass Adapter #1017 and #1018

Part Number: TRD-1035

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mahle Original Oil Filters OC 114

Oil Filter, Canister, AM General, Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: MAH-OC114

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Oil Pump Bushings 90460

Bushing, Oil Pump Nylon Shaft Guide, Chevy, Each

Part Number: RNB-90460

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Oil Pan Drain Plugs 65202

Oil Pan Drain Plug, 1/2-20 in. Thread Size, Seal, Buick, Cadillac, Chevy, Chrysler, Dodge, Eagle, GMC, Jeep, Oldsmobile, Plymouth, Pontiac, Each

Part Number: RNB-65202

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Melling High-Pressure Oil Pump Springs 5556F

Oil Pump Springs, 55 psi of Force, Steel, Chevy, Small Block, Each

Part Number: MEL-5556F

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fram Defense Oil Filters DL5

Oil Filter, Defense, Canister Style, Each

Part Number: FRM-DL5

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Denso Oil Filters 150-2056

Oil Filter, 13/16-16 in. Thread, 4.488 in. Height, Each

Part Number: DNP-150-2056

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Sealed Power A-Series Rod Bearings 2555A 20

Rod Bearing, 0.020 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Buick, Chevy, GMC, Oldsmobile, L6, V8

Part Number: SLP-2555A20

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Melling Camshaft Thrust Plates MG221

Camshaft Thrust Plate Shim Washer, Brass, AMC, Buick, Chevy, Jeep, Oldsmobile, Pontiac, Studebaker, Each

Part Number: MEL-MG221

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

PRW Pushrod Guideplates (PowerPlus+) 1135001-01

Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 5/16 in. Pushrod Size, Chevrolet, Each

Part Number: PQX-1135001-01

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today