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

Cold Case Night Rider Series Performance Aluminum Radiators GMT556A21B

Radiator, Performance, Aluminum, Black, Crossflow, 2 Row, Transmission cooler, Chevy, GMC, Each

Part Number: RAD-GMT556A21B

4.5 out of 5 stars ( 2 )

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Four Seasons Fan Clutches 36956

Fan Clutch, Heavy-Duty, Thermal Style, Clockwise Rotation, Buick, Cadillac, Chevy, GMC, Chrysler, Ford, Each

Part Number: FSS-36956

4.75 out of 5 stars ( 4 )

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Hayden Fluid Coolers 516

Fluid Cooler, Transmission, Tube, Fin, Natural, 10 in. x 15.875 in. x 0.75 in., 9/16 in.-18 Inlet, Outlet

Part Number: HDA-516

5.0 out of 5 stars ( 4 )

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MotoRad High Flow Thermostats 2000-160

High Flow Thermostat-160 Degrees

Part Number: SNN-2000-160

Not Yet Reviewed

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Four Seasons Ultra-Cool Transmission Oil Coolers 53022

Ultra-Cool Transmission Oil Cooler, Kit

Part Number: FSS-53022

4.9 out of 5 stars ( 10 )

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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 )

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Brothers Trucks Defrost Vents 05-163

Interior Vents, Defrost Vents, Rectangular, Plastic, Black, Fits Left or Right Sides, Chevrolet, GMC, Each

Part Number: HCT-05-163

5.0 out of 5 stars ( 1 )

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OSC Automotive Radiators 840

Radiators, Crossflow, Aluminum/Plastic, Natural, Transmission Cooler, Chevy, GMC, Each

Part Number: OSC-840

5.0 out of 5 stars ( 1 )

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Vintage Air Extra Clearance Top-Mount Compressor Brackets 15119-VCB

Air Conditioning Bracket, Steel, Natural, fits Long Water Pump Applications, Chevy, Small Block, Each

Part Number: VTA-15119-VCB

Not Yet Reviewed

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Be Cool Custom-Fit Aluminum Radiators 60013

Be Cool Custom-Fit Aluminum Radiators 60013

Radiator, Exact-Fit, Aluminum, Natural, Chevy, GMC, Each

Part Number: BCI-60013

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Tuff Stuff Performance Supercool Water Pumps 1449NCORANGE

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

Part Number: TFF-1449NCORANGE

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Flow Thermostats 900195

Thermostat, High-Flow, 195 Degrees, 56 gph. Flow Rate, Stainless Steel, AMC, Jeep, Ford, GM, Each

Part Number: TFF-900195

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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MotoRad Thermostats 200-180

Thermostat, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-200-180

5.0 out of 5 stars ( 1 )

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Tuff Stuff Performance Standard-Volume Water Pumps 1529N

Water Pump, Mechanical, Standard-Volume, Iron, Natural, Chevy, GMC, L6, Each

Part Number: TFF-1529N

5.0 out of 5 stars ( 1 )

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Hayden Fluid Coolers 401

Fluid Cooler, Transmission, Tube, Fin, Natural, 5 in. x 12.5 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-401

4.6 out of 5 stars ( 5 )

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Mr. Gasket Chrome Water Pump Bolts 4998

Bolts, Chrome, Water Pump, Small and Big Block, Chevy, Long Pump, Hex Head, Kit

Part Number: MRG-4998

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Mr. Gasket Chrome Water Pump Bolts 4996

Bolts, Chrome, Water Pump, Chevy, Small Block, Short Pump, Hex Head, Kit

Part Number: MRG-4996

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Hayden Fan Clutches 2707

Fan Clutch, Standard Thermal, Buick, Cadilliac, Chevy, Chrysler, Dodge, Oldsmobile, Plymouth, Pontiac, GMC, Each

Part Number: HDA-2707

5.0 out of 5 stars ( 2 )

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Auto Metal Direct Radiator Core Supports 350-4081-1

Radiator Support, Steel, EDP Coated, Chevy, Each

Part Number: AMD-350-4081-1

Not Yet Reviewed

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Four Seasons Blower Motors 35345

HVAC Blower Motor, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-35345

5.0 out of 5 stars ( 3 )

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Proform Electric Water Pumps 66225B

Water Pump, Electric, 35 gpm, Die-Cast Aluminum, Blue Powdercoated, Chevy, Small Block, Each

Part Number: PRO-66225B

4.67 out of 5 stars ( 9 )

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ACDelco GM Genuine Parts Cooling Fan Clutches 88961767

Fan Clutches, GM OE Cooling, Standard Thermal, Clockwise Rotation, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-15-4949

3.0 out of 5 stars ( 2 )

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Perma-Cool Engine Oil Coolers 55589

Fluid Cooler, Engine, 4-Pass, Tube and Fin, Aluminum, Natural, 5.00 in. x 12.50 in. x 0.750 in., Each

Part Number: PRM-55589

5.0 out of 5 stars ( 1 )

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14 Inch 1,500 CFM Hayden Super Duty Electric Fan 3921

Electric Fans, 14 in. Diameter, Pusher, 1,500 cfm, 13.50 amps, Each

Part Number: HDA-3921

Not Yet Reviewed

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MotoRad UltraStat Thermostats 5200-195

Thermostat, UltraStat, 195 Degrees F, Stainless Steel, Each

Part Number: SNN-5200-195

Not Yet Reviewed

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