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

Hayden Fluid Coolers 512

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 12.5 in. x 0.75 in., 9/16 in.-18 Inlet, Outlet

Part Number: HDA-512

Not Yet Reviewed

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Be Cool Factory Fit Modules 82013

Be Cool Factory Fit Modules 82013

Power Cooling Modules, Exact Fit, Aluminum, Natural, Chevy, GMC, SUV, Pickup, Kit

Part Number: BCI-82013

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Brothers Trucks Air Vent Outlets 05-157

Dash Vent Outlet, Square, Plastic, Black and Chrome, Driver Side, Chevy, GMC, Each

Part Number: HCT-05-157

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US Motor Works Thermal Fan Clutches 22045

Fan Clutch, Thermal, 96-68 Chevy

Part Number: UMW-22045

5.0 out of 5 stars ( 1 )

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PRW Competition+ Mechanical Water Pumps 1435012

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

Part Number: PQX-1435012

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Four Seasons Complete Air Conditioning Kits 6485NK

A/C Compressor Kit, Accumulator, Orifice Tube, Oil, Seals, R-12, Aluminum, Natural, A6, Buick, Chevy, GMC, Pontiac, Kit

Part Number: FSS-6485NK

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

Tuff Stuff Performance Supercool Water Pumps 1511NC

Water Pump, Mechanical, High-Volume, Aluminum, Natural, Chevy, Small Block, Long Pump, Each

Part Number: TFF-1511NC

2.5 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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Tuff Stuff Performance Platinum Series Water Pumps 1511NA

4.25 out of 5 stars ( 5 )

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Tuff Stuff Performance Platinum Series Water Pumps 1511NB

Water Pump, Mechanical, High-Volume, Aluminum, Polished, Chevy, Small Block, Long Pump, Each

Part Number: TFF-1511NB

1.0 out of 5 stars ( 1 )

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MotoRad Thermostats 200-160

Thermostat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-200-160

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Hayden Fan Clutches 1705

Fan Clutch, Non-Thermal, AMC, Buick, Chevy, Oldsmobile, Pontiac, GMC, Each

Part Number: HDA-1705

4.8 out of 5 stars ( 5 )

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Hayden Fluid Cooler Mounting Kits 153

Fluid Cooler Mounting, Steel, Natural, Kit

Part Number: HDA-153

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MotoRad Thermostats 300-195

Thermostat, 195 Degrees F, Stainless Steel, Each

Part Number: SNN-300-195

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Tuff Stuff Performance Standard-Volume Water Pumps 1529B

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

Part Number: TFF-1529B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Brothers Trucks Heater Control Cables HCC87AC

83-91 CHVY HEATER CONTROL CABLE-W/A/C

Part Number: HCT-HCC87AC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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US Motor Works Mechanical Water Pumps US1121

Water Pump, Mechanical, Standard-volume, Iron, Natural, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: UMW-US1121

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Griffin Exact Fit Radiators 6-70123

Radiator, Exact Fit, Aluminum, Crossflow, 2-Row, Chevy, GMC, Kit

Part Number: GRI-6-70123

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

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Summit Racing™ Performance Fit 2 Row Aluminum Radiator for 1973-1991 Chevy/GMC C/K Series Truck, Blazer, Jimmy

4 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Fluidyne High Performance Radiators RGM.3R3320.M

Radiator, Aluminum, Natural, Manual, Chevy, GMC, Each

Part Number: FLD-RGM-3R-3320M

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Reach Cooling Heater Cores 18-11695

Heater Core, Aluminum, Natural, Chevy, GMC, Each

Part Number: RCG-18-11695

Not Yet Reviewed

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OER Authorized Radiator Overflow Tanks 358184

Overflow Tank, Replacement, Plastic, White, Bolt-in, Chevy, GMC, Each

Part Number: OER-358184

Not Yet Reviewed

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PRW High Performance Mechanical Water Pumps 1435011

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

Part Number: PQX-1435011

Not Yet Reviewed

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OER GM Radiator Overflow Jar Caps 15588032

Overflow Tank Components, Bottle Cap, Reproduction, Black Plastic, White Lettering, Chevrolet, GMC, Each

Part Number: OER-15588032

Not Yet Reviewed

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Four Seasons Blower Motor Wheels 35601

Blower Motor Wheel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Dodge, Ford, Volvo, Each

Part Number: FSS-35601

1.0 out of 5 stars ( 1 )

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Four Seasons Blower Motors 35588

HVAC Blower Motor, Replacement, Each

Part Number: FSS-35588

5.0 out of 5 stars ( 5 )

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14 Inch 1,800 CFM Frostbite Fan and Shroud Economy Packages FB522E

Fans, Electric, Fan and Shroud Economy Packages, Puller, Dual, 14 in. Fan Diameter, Black Plastic Blades, Natural Aluminum Shroud, 24.00 amps, Kit

Part Number: FBR-FB522E

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

Frostbite Electric Water Pumps 22-111

Water Pump, Electric, Aluminum, Polished, 35 gph at 12 Volts, Chevy, Small Block, Each

Part Number: FBR-22-111

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