1979 GMC K2500 Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options

Agility Auto Parts Heater Cores 9010080

Heater Core, Stock Replacement, 5/8 in. Inlet, 3/4 in. Outlet, Aluminum, Chevy, GMC, Truck, SUV, Without A/C, Each

Part Number: RDR-9010080

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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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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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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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 )

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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 )

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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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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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Four Seasons Fan Clutches 36949

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

Part Number: FSS-36949

4.0 out of 5 stars ( 3 )

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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 )

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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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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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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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Hayden Fluid Cooler Mounting Kits 153

Fluid Cooler Mounting, Steel, Natural, Kit

Part Number: HDA-153

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 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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Flex-A-Lite Billet Aluminum Radiator Caps 126844

Radiator Cap, Round, 16 psi Maximum Pressure, Billet Aluminum, Black, Flex-A-Lite Logo, Buick, Cadillac, Chevy, Chrysler, Ford, GMC, Volkswagen, Each

Part Number: FLX-126844

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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GMB Replacement Fan Clutches 920-2060

Fan Clutch, Replacement, Severe-duty Thermal Style, Clockwise Rotation, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Olds, Pontiac, Each

Part Number: GMB-920-2060

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Brothers Trucks Interior Vents ACV80RH

Interior Vent, Dash Vent Assembly, Right, Rectangular, Plastic, Black, Chrome, Chevy, GMC, Each

Part Number: HCT-ACV80RH

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

GMB Replacement Fan Clutches 920-2050

FAN CLUTCH

Part Number: GMB-920-2050

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

GMB Replacement Fan Clutches 920-2070

FAN CLUTCH

Part Number: GMB-920-2070

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

GMB Replacement Fan Clutches 930-2280

FAN CLUTCH

Part Number: GMB-930-2280

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Hayden Fan Clutches 1705

4.75 out of 5 stars ( 5 )

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GMB Replacement Fan Clutches 930-2290

Fan Clutch, Mechanical, OE Style. Standard Duty, Clockwise Rotation, 7.2 in. Dia., 4 x 3.25 in. Bolt Circle, 5/16 in.-18 Threads, 3.11 in. Tall, Each

Part Number: GMB-930-2290

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today