1981 CHEVROLET K20 - In Stock Filter Options - Vendor In Stock Filter Options Parts & Accessories

Raceline Wheels 840 Arsenal Trailer Black with Machined Spoke Wheels 16x6

Wheel, 840 Arsenal Trailer, 16 in. x 6 in., 8 x 6.50 in. Bolt Pattern, Cast Aluminum, Matte/Machined, Black, 0.00mm Offset, 124.46mm Center Bore, Each

Part Number: RLW-84066080

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Raceline Wheels Assault Black Wheels 16x8

Wheel, Assault, Aluminum, Matte Black, 16 in. x 8.0 in., 8 x 6.50 in. Bolt Circle, 4.50 in. Backspace, Each

Part Number: RLW-991B6808000

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

Raceline Wheels Raptor Black Wheels 16x8

Wheel, Raptor, Aluminum, Matte Black, 16 in. x 8.0 in., 8 x 6.50 in. Bolt Circle, 4.50 in. Backspace, Each

Part Number: RLW-98168080

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

Proform Slant Edge Alternators 141-153

Alternators and Generators, Slant Edge Alternator, GM 10SI Case, Gray Crinkle Finish, 12V, 100 amp, 1-wire Hook-up, V-Belt, GM, Small/Big Block, Each

Part Number: PRO-141-153

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

March Performance Alternators P555

Alternator, Internal Regulator, 100 Amp, Chrome, One Wire Only, Buick, Chevy, Oldsmobile, Pontiac, GMC, Each

Part Number: MCH-P555

2.0 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

Centerforce DFX Clutch Discs 323383735

Clutch Disc, Sprung Hub, DFX, Cerametallic, 11 in., Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each

Part Number: CTF-323383735

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Trans-Dapt Performance Slam-Guard Oil Pans 8650

80-85 SB CHEVY SLAMGUARD OIL PAN- ASPHALT BLACK POWDERCOAT

Part Number: TRD-8650

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM8556065

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556065

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

SafeTBoy 3-Point Retractable Push Button Buckle Lap Belts STBD62D9

Seat Belts, Chevy Truck 1973 - 1987 Standard 3pt Black Retractable Bucket Seat Belt Kit w/ Bracketry - 2 Belts

Part Number: SAO-696403

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2020642 GM 8.5/8.6 in. 3.42 Gears

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.42 Ratio

Part Number: SVL-2020642

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Tuff Stuff Performance Mini Alternators 7937A

Alternator, Chrome, 110 amps, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7937A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Mahle Original Aftermarket Replacement Pistons 224-3547.040

Piston - GM 5.7L (350) V8 FLATTOP COAT (040) W/P AFTERMARKET VERSION

Part Number: MAH-2243547040

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Auto Metal Direct Windshields 380-4073-C

Windshield, Front, Glass, Clear, without Antenna, Chevrolet, GMC, Each

Part Number: AMD-380-4073-C

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Tuff Country EZ-Ride Leaf Springs 19470

Tuff Country EZ-Ride Leaf Springs 19470

Lift Spring, Leaf-Style, Rear, Black, 4WD, Chevy, GMC, 4 inch Lift, Each

Part Number: TFY-19470

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Skyjacker Softride Lift Leaf Springs CR14S

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026

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Thule Bed Rider Pro Bike Racks 822102

Bike Rack, Bed Rider Pro, Truck Bed, 2 Bikes, Aluminum, Black, Full-Size, Each

Part Number: THU-822102

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 Ring and Pinion Sets 697-300 GM 8.5/8.625 in. 3.42 Gears

Differential Ring And Pinion Set

Part Number: RNB-697-300

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

March Performance Alternators P551

Alternator, Internal Regulator, 140 Amp, Polished, Buick, Chevy, Oldsmobile, Pontiac, GMC, V8, Each

Part Number: MCH-P551

3.6 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

PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350316

Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350316

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

Motive Gear Ten Factory Axle Shafts MG20660B

Axle Shaft, Direct Fit, 4340 Chromoly, 35-Spline, 17.670 in. Length, Chevy, GMC, Each

Part Number: MGR-MG20660B

3.0 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

PRW Pro Series Billet Aluminum Rocker Arms 6532709

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1955-86, 1.5 x 7/16"

Part Number: PQX-6532709

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

Summit Racing™ Headlight Wiring Harness for 1981 Chevy/GMC C/K-Series Trucks, Jimmy, Blazer SUM-RP22814

Forward Lamp Harness, 1981 Chevy/GMC Truck, With Single Headlights, Each

Part Number: SUM-RP22814

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

Summit Racing™ Reproduction Wiring Harnesses SUM-RP21388

Wiring Harness, 1981 Chevy/GMC Truck, Pwr Door Window Harness, 2 Door Models, Body Crossover, With Power Windows And Power Door Lock, Each

Part Number: SUM-RP21388

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

Summit Racing™ Reproduction Wiring Harnesses SUM-RP21389

Wiring Harness, 1981 Chevy/GMC Truck, Pwr Door Window Harness, 4 Door Models, Body Crossover, With Power Windows And Power Door Locks, Each

Part Number: SUM-RP21389

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

USA Standard Gear Ring and Pinion Gears ZG GM9.5-513

9.5" GM 5.13 R&P ** USA STANDARD GEAR **

Part Number: SPZ-36228

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 Leaf Springs 22-485

Leaf Spring, Replacement, Stock Ride Height, Black, Rear, Chevrolet, GMC, Each

Part Number: RNB-22-485

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

1981 CHEVROLET K20 Parts and Accessories