1981 CHEVROLET K20 Oiling Systems

Oil Filter, 13/16-16 in Thread Size, GMC, Chevy, Pontiac, Checker, Am General, Hummer, Each

Part Number: BCH-3510

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Oil Pan, Drag Race, Steel, 5 qt., Rear Sump, Chevy, Small Block, Each

Part Number: CTR-13-082

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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

Part Number: RNB-090-052-1

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Oil Filter, Canister, Tough Guard, Chevy, GMC, Each

Part Number: FRM-TG5

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Oil Filter Relocation Kit, Single Filter, 96 in. Length Hoses, Kit

Part Number: PRM-10695

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Oil Pan, Drag Race, Steel, 5 qt., Rear Sump, Chevy, Small Block, Each

Part Number: CTR-13-080M

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Oil Filter, Tough Guard, 13/16 in.-16 Thread, Each

Part Number: FRM-TG30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Oil Pump Gear, BILLET OIL PUMPS - SHARK TOOTH GEARS

Part Number: MEL-10055ST700CT

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Oil Pickup, Bolt-In, Aftermarket Pan Style, 7.000 in. Pan Depth, Chevy, Small Block, Each

Part Number: MEL-12557

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Oil Pan Bolts, Steel, GM, Hex Head, Kit

Part Number: PIO-S-1100

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Oil Filter Relocation Kit, Dual Filter, 30 in. Length Hoses, Kit

Part Number: TRD-1222

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Oil Pump Driveshaft, Chevy, Small Block, Each

Part Number: SLP-224-6146E

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Oil Pump, High-Volume, Chevy, Small Block, Each

Part Number: NAL-14044872

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Oil Pan, Aluminum, Rear Sump, Swap, GM, LS Engines, Kit

Part Number: MOR-20105

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 1/2 in. Inlet/Outlet, Kit

Part Number: PRM-113

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Oil Pump, Select Billet Aluminum, Wet Sump Style, High-volume, Standard-pressure, 7.00 in. Depth, Buick, Chevy, GMC, Olds, Chevy Small Block, Each

Part Number: MEL-10050ST700CT

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Oil Pan Drain Plugs, 1/2-20 in. Thread, Seal, Set of 5

Part Number: RNB-090-052

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Oil Filter, PZ45, 13/16-16 in. Thread, 5.140 in. High, Each

Part Number: PNZ-P412

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Adapter, Oil Filter, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, 3/8 in. NPT Inlet/Outlet, Each

Part Number: PRM-185

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Oil Filter Bypass Adapter, Aluminum, Clear, Anodized, Chevy, V-8, Each

Part Number: HAM-3328

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Oil Pump Intermediate Shaft, Chevy 3.3L, 3.8L, 4.3L, 4.4L, 283, 305, 307, 327, 350, 400, V6, V8, Each

Part Number: SLP-224-6146

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Oil Filter Relocation Kit, Dual Filter, 96 in. Length Hoses, Kit

Part Number: PRM-10795

3.0 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

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Oil Pump Springs, 58 psi, Steel, Yellow, Pins, Chevy, Small Block, Kit

Part Number: MEL-55058

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Dipstick with Tube, Engine, Steel, Chrome, Classic Hook Handle, Passenger Side, GM/Chevy, Small Block, Each

Part Number: PRO-141-551

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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 )

Estimated Ship Date: Tomorrow