1981 CHEVROLET K20 Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options

Four Seasons Remanufactured Air Conditioning Compressors 57096

Air Conditioning Compressor, Steel, A6, R-134A, Each

Part Number: FSS-57096

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Four Seasons Water Necks 84899

Water Neck, Replacement, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-84899

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Johnson's Radiator Works Engine Swap Radiators 5-7387-9-3

Radiator 1973-1987 Chevrolet Truck LS 1.250" top right outlet 1.500" bottom right (REQUIRES BIG BLOCK MOUNTS)

Part Number: JRW-5-7387-9-3

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Tuff Stuff Performance Supercool Water Pumps 1449NCRED

Water Pump, Mechanical, High-Volume, Iron, Red, Chevy, Small Block, Long Pump, Each

Part Number: TFF-1449NCRED

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Tuff Stuff Performance Supercool Water Pumps 1449NCYELLOW

Water Pump, Mechanical, High-Volume, Iron, Yellow, Chevy, Small Block, Long Pump, Each

Part Number: TFF-1449NCYELLOW

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Vintage Air Duct Hose Adapters 623215

Tubing Couplers, Replacement, Louver Hose Adapter, Driver Side, Plastic, Black, 2.5 in. Diameter Inlet, Chevy, GMC, Each

Part Number: VTA-623215

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

PRW Competition+ Mechanical Water Pumps 1435022

Water Pump, Mechanical, High-Volume, Clockwise, Aluminum, Black, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: PQX-1435022

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Milodon Mechanical Water Pumps 16212

Water Pump, Mechanical, High-Volume, Long, 1977-1987, Chevy Small Block, 350/400, Steel, Natural, Each

Part Number: MIL-16212

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

12 Inch 1,155 CFM Maradyne Jetstreme Electric Fan MJS13KC

Radiator Fan, Controller, Electric, Jetstreme, Nylon, Black, 12.0 in. Diameter, 1,155 cfm, Each

Part Number: MAR-MJS13KC

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Be Cool Custom-Fit Aluminum Radiators 66013

Be Cool Custom-Fit Aluminum Radiators 66013

Radiator, Exact-Fit, Aluminum, Natural, Chevy, GMC, Pickup/Van/SUV, Each

Part Number: BCI-66013

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Griffin Exact Fit Radiators 6-00123

EXACT FIT RADIATOR

Part Number: GRI-6-00123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

GMB High Performance Water Pumps 130-1250HP

Water Pump, Performance, High Volume, Aluminum, Buick, Checker, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: GMB-130-1250HP

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Proform Electric Water Pumps 141-653

Water Pump, Electric, 35 gpm, Aluminum, Blue Anodized, Chevy, Small Block, Each

Part Number: PRO-141-653

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Proform Electric Water Pumps 141-652

Water Pump, Electric, 35 gpm, Aluminum, Red Anodized, Chevy, Small Block, Each

Part Number: PRO-141-652

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

OSC Automotive Radiators 730

Radiator, Exact Fit, Aluminum/Plastic, Chevy, GMC, Each

Part Number: OSC-730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Summit Racing™ Direct-Fit Restoration Interior Trim Parts SUM-RP22492

Interior Vents, Dash, Defroster Grill, Rectangular, Plastic, Chrome Finish, Front Left or Right Side, Chevy, GMC, Truck, Each

Part Number: SUM-RP22492

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

GMB Replacement Fan Clutches 930-2010

FAN CLUTCH

Part Number: GMB-930-2010

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Agility Auto Parts Air Conditioning Condensers 7013616

Air Conditioning Condensers, #8 Air Conditioning Male O-ring, #6 Air Conditioning Male O-ring, Chevrolet, GMC, Each

Part Number: RDR-7013616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Reach Cooling Radiators 41-1599

Radiator

Part Number: RCG-41-1599

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

OSC Automotive Radiators 1599

4.5 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

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Hayden Fluid Cooler Mounting Kits 251

Fluid Cooler Mounting, Plastic, Natural, Kit

Part Number: HDA-251

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Universal Air Conditioner Radiators RA 709C

Radiator

Part Number: UAC-RA709C

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

GMB OE Replacement Water Pumps 130-1230

Water Pump, OE Replacement, Cast Iron, Chevy, GMC, 292, Each

Part Number: GMB-130-1230

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Four Seasons Electric Fan Kits 37140

Fans, Electric, Single, Puller, Plastic Blades, Black Plastic Shroud, 14.00 in. Diameter, Each

Part Number: FSS-37140

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

14 Inch 2,600 CFM Mishimoto Electric Fan and Shroud Kit MMFS-CK-78K

Fans, Electric, Dual, 14 in. Diameter, 2,600 CFM, Fan Controller Included, Aluminum Shroud, Natural, Chevy, GMC, Kit

Part Number: MIO-MMFS-CK-78K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Universal Air Conditioner Orifice Tubes EX 5151C

Air Conditioning Orifice Tube, Replacement, White, Audi, Buick, Cadillac, Chevrolet, GMC, Isuzu, Mazda, Oldsmobile, Pontiac, Saab, Each

Part Number: UAC-EX5151C

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026