1981 CHEVROLET K20 Parts & Accessories

Schoenfeld Headers 1346-3

Schoenfeld Headers 1346-3

Headers, Fenderwell, 1 3/4 in. Primaries, 3 in. Collector, Chevy, GMC, Small Block, Pair

Part Number: SCH-1346-3

3.0 out of 5 stars ( 2 )

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Proform Alternators 66445.14N

Alternator, Chrome, Internal Regulator, V-Belt Pulley, 140 Amp, 1-Wire, GM, Each

Part Number: PRO-66445-14N

4.43 out of 5 stars ( 42 )

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ACDelco Alternators 88877303

Alternators and Generators, Alternators, Delco 10 SI Case Style, 12 V, 63 amps, V-belt Pulley, AMC, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac

Part Number: ADO-335-1093

4.43 out of 5 stars ( 7 )

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PSC Power Steering Pumps SP1401

Power Steering Pump, P Series, Polished, Chevrolet, GMC, Each

Part Number: PFN-SP1401

3.14 out of 5 stars ( 7 )

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Auto Metal Direct Tailgate Component Kits 927-4081-S

Tailgate Hinge and Linkage, Includes Handle, Links, Hinges, Latches, Trunnions, Rods, Chevrolet, GMC, Kit

Part Number: AMD-927-4081-S

3.0 out of 5 stars ( 4 )

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Four Seasons Fan Mount Pull Tie Kits 53014

Electric Fan Mounting Brackets, Nylon, Black, Kit

Part Number: FSS-53014

4.74 out of 5 stars ( 53 )

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ACDelco Gold Cooling Fan Clutches 19189678

Fan Clutch, Engine Cooling, Standard Thermal Style, Each

Part Number: ADO-15-80245

4.78 out of 5 stars ( 18 )

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Summit Racing™ Direct-Fit Oil Pressure Gauge for 1979-1987 Chevy/GMC C/K/R/V Series Truck, Blazer, Jimmy

Oil Pressure Gauge, Direct-Fit , Replacement, L to H , 2 nd Design , Chevrolet, GMC, GM#25025563 , Each

Part Number: SUM-RP21727

5.0 out of 5 stars ( 3 )

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Dorman Fuel Tanks 576-334

Fuel Tank, OEM Replacement, Steel, 20 Gallon, Chevy, GMC, C, K, Pickup, 8 ft. Bed, Each

Part Number: RNB-576-334

4.83 out of 5 stars ( 24 )

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Melling Shark Tooth Oil Pumps 10553ST

Oil Pump, Shark Tooth, Wet Sump Style, Standard-volume, High-pressure, Chevy, Small Block, Each

Part Number: MEL-10553ST

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Sealed Power High-Pressure Oil Pumps 224-4146A

5 out of 5 stars ( 4 )

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Summit Racing™ Direct-Fit Temperature Gauge for 1979-1987 Chevy/GMC C/K/R/V Series Truck, Blazer, Jimmy

Temperature Gauge, Direct-Fit , Replacement, 100 to 260 degree F, 2nd Design , Chevrolet, GMC, GM#8993630 , Each

Part Number: SUM-RP21725

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

The Right Stuff Hydraulic Brake Assist Power Brake Booster Kits GHB730572

Master Cylinder and Brake Booster Assembly, 1.000 in. Bore, Dual Bowl, Iron Cylinder, Black Cast Iron Booster, Chevrolet, Kit

Part Number: RSD-GHB730572

1.0 out of 5 stars ( 1 )

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Precision Replacement Parts Vent Window Assemblies CVA 1110 81 LH GTN

Complete Vent Window Assembly, Driver Side, Tinted Green, Each

Part Number: PQP-S0011

Not Yet Reviewed

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Auto Metal Direct Vent Window Assemblies X560-40812CRS

Vent Window Assemble, Right Side, Clear Glass, Chevy, GMC, Each

Part Number: AMD-X56040812CRS

Not Yet Reviewed

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Wilwood GM D52 Dual Piston Caliper Kits 140-11292-BK

Brake Calipers, GM D52 Dual Piston, Aluminum, Black Powdercoated, Semi-metallic Pads, Rear, Kit

Part Number: WIL-140-11292-BK

Not Yet Reviewed

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Edelbrock High Performance Thermostats 8603

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 160 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8603

4.56 out of 5 stars ( 16 )

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ARB Air Locker 30 Spline Differential GM 10.5 Inch (14-bolt) RD114

Differential Carrier, Air Locker, Nodular Iron, 30-spline, Rear, GM 10.5 in. (14-bolt), Chevy, GMC, Kit

Part Number: ARB-RD114

Not Yet Reviewed

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Superlift U-Bolt Kits 3318

U-Bolts, Steel, Zinc Finish, Round-Style, Front, Chevy, GMC, Set of 4

Part Number: SLF-3318

4.56 out of 5 stars ( 48 )

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ACDelco Replacement Switches 19245093

Headlight Switch, Replacement, Rotary, Constant, Black/White, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-D1588

4.92 out of 5 stars ( 13 )

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Billet Specialties Steering Wheel Hub Adapters BLK31120

Steering Wheel Adapter, Billet Aluminum, Black Anodized, GM, 9-Bolt, Kit

Part Number: BSP-BLK31120

5.0 out of 5 stars ( 10 )

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Proform GM Licensed Slant Edge Valve Covers 141-928

Valve Covers, Cast Aluminum, Black, Slant-Edge, Chevrolet, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-928

4.57 out of 5 stars ( 7 )

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Motive Gear Performance Ring and Pinion Sets G885410 GM 8.5/8.6 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31179

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, Universal, L6/V6, Set

Part Number: MSD-31179

4.11 out of 5 stars ( 9 )

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Skyjacker Black MAX Shocks B8558

Shock Absorber/Strut, Black MAX, Twin-Tube, Includes Black Boot, Each

Part Number: SJA-B8558

5.0 out of 5 stars ( 8 )

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ACDelco Conventional Resistor Spark Plugs 19354432

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-R44T

4.91 out of 5 stars ( 22 )

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1981 CHEVROLET K20 Parts and Accessories