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

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: Today

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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: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 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: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 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: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 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: Today

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GMB Replacement Fan Clutches 930-2010

FAN CLUTCH

Part Number: GMB-930-2010

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Brothers Trucks Interior Air Vent Components 05-162

Interior Vent Component, Adapter, Right Hand Side, Plastic, Black, Chevy, GMC, Each

Part Number: HCT-05-162

Not Yet Reviewed

Estimated Ship Date: Today

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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: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Engine Works Thermostats 41160

Thermostat, 160 Degree, High-Flow, Copper/Brass, Chevy, Each

Part Number: EW1-41160

Not Yet Reviewed

Estimated Ship Date: Today

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Universal Air Conditioner Air Conditioning Accumulators RD 8816C

A/C Accumulator

Part Number: UAC-RD8816C

Not Yet Reviewed

Estimated Ship Date: Today

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Brothers Trucks Aluminum Radiators ALR87C4

Radiators, Crossflow, 4-row, Aluminum, Natural, Upper Left Side Inlet, Transmission Cooler, Chevrolet, GMC, Each

Part Number: HCT-ALR87C4

Not Yet Reviewed

Estimated Ship Date: Today

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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: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 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: Today

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Four Seasons Air Conditioning Replacement Components 16149

Air Conditioning Replacement Component, Evaporator Core Repair Kit, Does Not Include New Orifice Tube, Buick, Cadillac, Chevy, Ford, GMC, Lincoln, Kit

Part Number: FSS-16149

Not Yet Reviewed

Estimated Ship Date: Today

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Universal Air Conditioner Air Conditioning Repair Kits AK 2546

A/C System Repair Kit

Part Number: UAC-AK2546

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Proform Electric Water Pumps 141-650

Water Pump, Electric, 35 gpm, Aluminum, Natural, Chevy, Small Block, Each

Part Number: PRO-141-650

Not Yet Reviewed

Estimated Ship Date: Today

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Engine Works Thermostats 41180

Thermostat, 180 Degree, High-Flow, Copper/Brass, Chevy, Each

Part Number: EW1-41180

Not Yet Reviewed

Estimated Ship Date: Today

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Tuff Stuff Performance Supercool Water Pumps 1448NA7

Water Pump, Mechanical, High-Volume, Aluminum, Smoothie, Black Chrome, Chevy, Small Block, Long Pump, Each

Part Number: TFF-1448NA7

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Tuff Stuff Performance Supercool Water Pumps 1449NCBLUE

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

Part Number: TFF-1449NCBLUE

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Universal Air Conditioner Orifice Tubes EX 7000C

Air Conditioning Orifice Tube, Replacement, White, for Hyundai, for Nissan, Buick, Cadillac, Chevy, Ford, GMC, Olds, Pontiac, Volkswagen, Volvo, Each

Part Number: UAC-EX7000C

Not Yet Reviewed

Estimated Ship Date: Today

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National Bearing Air Conditioning Compressor Clutch Bearings 907257

Bearing, A/C Compressor Clutch, Steel, AM General, AMC, Audi, Chevy, GMC, Chrysler, Ford, Isuzu, Volvo, Each

Part Number: NTL-907257

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Perma-Cool Engine Oil Coolers 62189

Fluid Cooler, Engine, 2-Pass, Tube and Fin, Aluminum, Natural, 3.50 in. x 14.00 in. x 1.500 in., Each

Part Number: PRM-62189

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Hayden Fluid Coolers 462

4.25 out of 5 stars ( 9 )

Estimated Ship Date: Today

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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: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today