Availability
1981 CHEVROLET K20 Parts and Accessories
Axle Shaft, Rear, 4340 Chromoly, 30-spline, 35.000 in. Length, Full Floating, GM 10.5 in (14-bolt), GM 11.5 in
Part Number: YGA-21716
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit
Part Number: HAY-91-1004
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Window, Rear Window Glass, Tinted, Sliding, Chevrolet, GMC, Each
Part Number: OER-DY90007Y
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Shocks and Struts, Street Performance OEM Shocks, Stock Ride Height, Twin-tube, Chevrolet, Set of 4
Part Number: BEL-OE9696
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Tailshaft Housing, Aluminum, GM, TH400, Each
Part Number: TCI-226405
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Fender Flare, Front, Rear, Black Synthetic Rubber, Universal, 50 ft. Roll, Each
Part Number: PPP-52-169
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Bumper, Front, Stock Style, Steel, Chrome, Chevy, GMC, Each
Part Number: GMK-4145-000-813
Not Yet Reviewed
Estimated Ship Date: Jul 20, 2026 if ordered today
Estimated Ship Date: Jul 20, 2026 if ordered today
Alternator, Black Chrome, 140 amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7140ABULL6G7
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
VALVE SPRING KIT
Part Number: MEL-VSK46672
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Clutch Kit, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit
Part Number: ZZZ-30015
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Alternators and Generators, Slant Edge Alternator, GM 10SI Case, Chrome Finish, 12V, 100 amp, 1-wire Hook-up, V-Belt, GM, Small/Big Block, Each
Part Number: PRO-141-154
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Seat Belts, Chevy Truck 1973 - 1987 Standard 3pt Black Retractable Bench Seat Belt Kit w/ Bracketry - 3 Belts
Part Number: SAO-683718
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Camshaft, Hydraulic Flat Tappet, Advertised Duration 270/278, Lift .480/.498, Chevy, Small Block, Each
Part Number: CCA-12-243-3
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Water Pump, Electric, Aluminum, Black, 35 gph at 12 Volts, Chevy, Small Block, Each
Part Number: FBR-22-112
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Trailer Hitch, Class III, 2 in. Receiver, Black, Square Tube, Chevy/Ford/GMC, Each
Part Number: CHT-13099
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901711
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Wheel, Method Race, MR305 NV, Aluminum, Matte Black, 16 in. x 8 in., 8 x 6.5 in./8 x 165.10mm Bolt Circle, 4.5 in. Backspace, Each
Part Number: MTH-S0183
Not Yet Reviewed
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Flywheel, Billet Steel, Low Inertia, 168-tooth, 20.85 lbs., Internal Balance, Chevy, Big Block, Small Block, Each
Part Number: CTF-600120
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set
Part Number: RMG-4900721
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set
Part Number: YGA-16041
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Automotive Radio, Custom Size, AM/FM, 300 Watt, Bluetooth Capable, Chrome Face, Chrome Buttons, Chrome/Black Knobs, Chevy, GMC, Each
Part Number: HCT-CS0740073-87
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Alternator, Internal Regulator, 100 Amp, 1-Wire, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: DUI-5559
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
PLEAT, 1981-87 C/K DLUX PLET VNYL/CLTH GRY/CHAR
Part Number: HCT-05-324
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Door Handles, Exterior, Smooth Design, Billet Aluminum, Black Powdercoated, Chevy, GMC, Pair
Part Number: EMS-MS277-80BK
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Camshaft, Hydraulic Flat Tappet, Advertised Duration 262/268, Lift .462/.477, Chevy, Small Block, Each
Part Number: CCA-12-236-3
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster