1981 CHEVROLET K20 Cooling & Heating

Thermostat, 160 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4363

4.03 out of 5 stars ( 63 )

Estimated Ship Date: Today

Radiator, RADIATOR

Part Number: RDR-8010730

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Heater Core, Stock Replacement, 5/8 in. Inlet, 3/4 in. Outlet, Aluminum, Chevy, GMC, Truck, SUV, With A/C, Each

Part Number: RDR-9010079

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Estimated Ship Date: Today

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

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Estimated Ship Date: Today

Radiator and Fan, Exact Fit Combo, Aluminum, Crossflow, 2-Row, Dual Fan, Chevy, GMC, Kit

Part Number: GRI-CU-70123

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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

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

Part Number: HCT-05-157

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Estimated Ship Date: Today

Radiator, RADIATOR

Part Number: RDR-8010161

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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EXACT FIT RADIATOR

Part Number: GRI-6-00123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Air Conditioning Condensers, #8 Air Conditioning Male O-ring, #6 Air Conditioning Male O-ring, Chevrolet, GMC, Each

Part Number: RDR-7013616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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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

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Interior Vent Component, Adapter, Right Hand Side, Plastic, Black, Chevy, GMC, Each

Part Number: HCT-05-162

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Interior Vent Component, Adapter, Center Right, Plastic, Black, Chevy, GMC, Each

Part Number: HCT-05-160

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Estimated Ship Date: Feb 23, 2026 if ordered today

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EXACT FIT RADIATOR

Part Number: GRI-6-00017

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Estimated Ship Date: Today

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EXACT FIT RADIATOR

Part Number: GRI-6-70015

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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EXACT FIT RADIATOR

Part Number: GRI-6-00015

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Radiator, RADIATOR

Part Number: RDR-8010840

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Estimated Ship Date: Jan 20, 2026 if ordered today

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