1981 CHEVROLET K20 Oiling Systems

Oil Pump, Shark Tooth, Wet Sump, High-volume, High-pressure, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-10551ST

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SLP-224-4143

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

Oil Pan, Steel, Gold Zinc, 5 qt., Chevy, Small Block, Each

Part Number: SUM-G3532

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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: Today

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Oil Pump, Standard-Volume, GM/Studebaker, 153/194/215/230/250, L4-L6, Each

Part Number: MEL-M62

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Oil Pump, High-volume, Standard-pressure, Wet Sump Style, 3/4 in. Pickup, Chevy, GMC, Small Block, Kit

Part Number: MEL-10990

Not Yet Reviewed

Estimated Ship Date: Today

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Oil Filter Relocation, 13/16 in., Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: HDA-214

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Engine Oil Dipstick, Anchor-Tight Locking Flexible, Passenger Side Block Entry, Billet Aluminum, Brite Anodized, Chevy, Small Block, Each

Part Number: LOK-1220004

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Oil Pan, OEM Type, Steel, Black, GM/Chevy, 5.0/5.7L, Each

Part Number: RNB-264-103

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Oil Filters, Canister Style, 13/16 -16 in. Thread Size, 3.60 in. O.D, 7.82 in. Height, Chevy, GMC, Each

Part Number: WIX-51794R

Not Yet Reviewed

Estimated Ship Date: Today

Oil Pickup, Bolt-In, Aftermarket Pan Style, 8.000 in. Pan Depth, Chevy, Small Block, 3/4 in. Tube, Each

Part Number: MEL-12559

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Oil Pan, Steel, Natural, 4 qt., Chevy, Small Block, Each

Part Number: MRG-9425

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Oil Pump Springs, 70 psi, Steel, Pink, Pins, Chevy, Small Block, Kit

Part Number: MEL-55070

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

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Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 13/16-16 in. Thread, Each

Part Number: MRG-1272

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

Oil Pan Bolts, Zinc Plated Steel, Hex Head, Chevy, Oldsmobile, Small Block/V8, Kit

Part Number: MRG-6085MRG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Oil Pan Studs, Small Block, Chevy, Oldsmobile, V8, Kit

Part Number: MRG-6315

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: NAL-14044872

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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• Special Order

Adapter, Oil Filter, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, 1/2 in. NPT Inlet/Outlet, Each

Part Number: DER-15720

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Oil Pickup, Bolt-In, Aftermarket Pan Style, 7.500 in. Pan Depth, Chevy, Small Block, Each

Part Number: MEL-12558

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Oil Filter, Extended Life, Canister, 13/16 in.-16 Thread, Each

Part Number: CHC-30-1218

4.76 out of 5 stars ( 55 )

Estimated Ship Date: Today

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

Part Number: TRD-1022

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Today

Oil Filter Adapter, Sandwich Adapter, Billet Aluminum, Clear Anodized, 13/16-16 in., Chevy, Each

Part Number: CVS-OCS63

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Oil Pump Springs, 78 psi, Steel, Green, Pins, Chevy, Small Block, Kit

Part Number: MEL-55078

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today