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

Perma-Cool Turbo Flex Heavy-Duty Fan Clutches 25100

Perma-Cool Turbo Flex Heavy-Duty Fan Clutches 25100

Fan Clutch, Turbo Flex, Heavy-Duty, Non-thermal, 7.25 in. Diameter, Each

Part Number: PRM-25100

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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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OER Authorized Heater Cores 3027265

Heater Cores,1973-87 Chevrolet/GMC Truck W/ AC - Copper/Brass Heater Core (7-1/8" X 7-1/2" X 2")

Part Number: OER-3027265

Not Yet Reviewed

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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 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Derale Flex Fan Standard Spacers 31500

Fan Spacer Kit, 1/2" long, Clear, 5/16-18 and 5/16-24 bolts included

Part Number: DER-31500

4.0 out of 5 stars ( 7 )

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Standard Motor T-Series Coolant Fan Switches TS76T

Fan Switch, Coolant Level, Stock, American Motors, 3/8 in. Threads, Buick, Cadillac, Chevy, Dodge, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-TS76T

4.5 out of 5 stars ( 2 )

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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

Not Yet Reviewed

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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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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

Not Yet Reviewed

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GMB OE Replacement Water Pumps 130-1250HD

Water Pump, OE Replacement, High-Volume, Cast Iron, Chevy, Small Block, Long Pump, Each

Part Number: GMB-130-1250HD

5.0 out of 5 stars ( 5 )

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Four Seasons Electric Fan Kits 37141

Electric Fan, Pusher, 14 in., Black, Each

Part Number: FSS-37141

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

14 Inch 1,100 CFM Derale Dyno-Cool Straight Blade Fan 16914

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Four Seasons Ultra-Cool Transmission Oil Coolers 53000

Transmission Oil Cooler, Ultra-Cool, Tube and Fin, 4 Rows, Aluminum, 0.375 in. Hose Barb Inlet/Outlet, Each

Part Number: FSS-53000

Not Yet Reviewed

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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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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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MotoRad Thermostats 200-160

Thermostat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-200-160

Not Yet Reviewed

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MotoRad Thermostats 300-195

Thermostat, 195 Degrees F, Stainless Steel, Each

Part Number: SNN-300-195

Not Yet Reviewed

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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 )

Estimated Ship Date: Today

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Four Seasons Remanufactured Air Conditioning Compressors 57231

Air Conditioning Compressor, Steel, R4 Heavy, R-134A, Each

Part Number: FSS-57231

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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OER Authorized Radiator Brackets 14063151

1981-91 Chevrolet/GMC; C/K/R/V; Bracket Set; Radiator Support; LH and RH; Pair

Part Number: OER-14063151

Not Yet Reviewed

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OER Authorized Radiator Brackets 14063152

1981-91 Chevrolet, GMC Truck; Radiator Support Bracket; RH - Passenger side

Part Number: OER-14063152

Not Yet Reviewed

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GMB High Performance Water Pumps 130-1250P

Water Pump, Replacement, High Volume, Chevy, Each

Part Number: GMB-130-1250P

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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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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Agility Auto Parts Radiators 8010161

Radiator, RADIATOR

Part Number: RDR-8010161

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

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: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today