1981 GMC K1500 Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options

14 Inch 1,250 CFM Four Seasons Electric Fan Kit 36897

Electric Fan, 14 in. Diameter, Puller/Pusher, 1,250 cfm, Black, 11.50 amps, Each

Part Number: FSS-36897

4.8 out of 5 stars ( 5 )

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Edelbrock Victor Series Circle Track Mechanical Water Pumps 8816

Edelbrock Victor Series Circle Track Mechanical Water Pumps 8816

Water Pump, Circle Track, Mechanical, Short, High-Volume, Aluminum, Black Anodized, Chevy, Small Block, Each

Part Number: EDL-8816

5.0 out of 5 stars ( 1 )

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ACDelco Gold Engine Coolant Thermostats 12514334

Thermostat, Mechanical, Professional, 195 degrees, Standard-Flow, Each

Part Number: ADO-131-87

4.63 out of 5 stars ( 8 )

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Fluidyne High Performance Radiators RGM.3R3320.A

Radiator, Aluminum, Natural, Automatic, Chevy, GMC, Each

Part Number: FLD-RGM-3R3320-A

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Four Seasons Power Steering Oil Cooler Installation Kits 53019

Fluid Cooler, Tube and Fin, 2-row, Aluminum, Natural, 3/8 in. Hose Barb Inlet/Outlet, 2.5 x 9 x 0.75 in. Size

Part Number: FSS-53019

4.85 out of 5 stars ( 13 )

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Derale Stacked Plate Fluid Coolers 13412

Fluid Cooler, Transmission, Plate-Type, Aluminum, Black, 5.56 in. x 13 in. x 2 in., Kit

Part Number: DER-13412

Not Yet Reviewed

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MotoRad Spec-R Racing Thermostats MRD100

Thermostat, Spec-R, 160 Degrees F, Stainless Steel/Copper, Universal, Each

Part Number: SNN-MRD100

Not Yet Reviewed

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Four Seasons Complete Air Conditioning Kits 9773NK

Air Conditioning Compressor, New, A6, Aluminum, 1-groove V-belt, w/Clutch, Accumulator, Orifice, Oil, Seals, R-134A, Chevy, GMC, Olds, Pontiac, Kit

Part Number: FSS-9773NK

Not Yet Reviewed

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MotoRad UltraStat Thermostats 5200-160

Thermostat, UltraStat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-5200-160

3.5 out of 5 stars ( 2 )

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Four Seasons Fan Clutches 36952

Fan Clutch, Standard Thermal, AMC, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-36952

4.63 out of 5 stars ( 16 )

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MotoRad High Flow Thermostats 2000-180

High Flow Thermostat-180 Degrees

Part Number: SNN-2000-180

Not Yet Reviewed

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OER GM Radiator Overflow Jar Caps 371978

Overflow Tank Components, Overflow Tank Cap, Reproduction, Non-Vented, Black Plastic, White Letters, Chevrolet, GMC, Pontiac, Each

Part Number: OER-371978

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Be Cool Custom-Fit Aluminum Radiators 62013

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

Part Number: BCI-62013

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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 )

Estimated Ship Date: Today

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Derale Stacked Plate Fluid Coolers 51008

Fluid Cooler, Plate-Type, Aluminum, Black, 10-Row, -8 AN, 4.563 in. x 13 in. x 2 in., Each

Part Number: DER-51008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Four Seasons Rapid-Cool Transmission Oil Coolers 53007

Transmission Oil Cooler, Rapid-Cool, Aluminum, Black, Plate Style, 3/8 in. Hose Barb, Each

Part Number: FSS-53007

5.0 out of 5 stars ( 1 )

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OSC Automotive Radiators 161

Radiator, Exact Fit, Aluminum, Plastic, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: OSC-161

3.0 out of 5 stars ( 3 )

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PRW High Performance Mechanical Water Pumps 1435001

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

Part Number: PQX-1435001

Not Yet Reviewed

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Griffin Exact Fit Radiators 6-00123

EXACT FIT RADIATOR

Part Number: GRI-6-00123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

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 )

Estimated Ship Date: Today

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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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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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Proform Electric Water Pumps 66225C

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

Part Number: PRO-66225C

5.0 out of 5 stars ( 3 )

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Hayden Fluid Coolers 514

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 15.875 in. x 0.75 in., 9/16 in.-18 Inlet, Outlet

Part Number: HDA-514

4.33 out of 5 stars ( 3 )

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OSC Automotive Radiators 1599

Radiator, Exact Fit, Aluminum, Plastic, Chevy, GMC, 5.0L, 5.7L, 7.4L, Each

Part Number: OSC-1599

4.4 out of 5 stars ( 5 )

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