1966 Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

March Performance Thermostat Housings BTH-305-08

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, -16 AN Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-305-08

Not Yet Reviewed

Estimated Ship Date: Today

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Four Seasons Heater Cores 90788

Heater Core, Aluminum, Chevy, GMC, Each

Part Number: FSS-90788

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Tuff Stuff Performance Supercool Water Pumps 1421AA

Water Pump, Mechanical, High-Volume, Aluminum, Chrome, Ford, Mercury, FE, 390, 427, 428, Each

Part Number: TFF-1421AA

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

PRW Competition+ Mechanical Water Pumps 1435022

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

Part Number: PQX-1435022

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

OER Authorized Heater Cores 3004814

Heater Core, Copper/Brass, Replacement, Chevrolet, Without A/C, Each

Part Number: OER-3004814

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

OER Authorized Heater Cores 2936684

Heater Core, Copper/Brass, Replacement, Chrysler, Dodge, Plymouth, Without A/C, Each

Part Number: OER-2936684

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

PRW High Performance Mechanical Water Pumps 1444014

Water Pumps, Mechanical, High-Volume, Clockwise, Aluminum, Polished Housing, Natural Pump, Mopar, Big Block R/RB, Kit

Part Number: PQX-1444014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Trans-Dapt Performance Aluminum Water Necks 6003

Water Neck, Aluminum, Polished, 45 Degree, Chevy, Big/Small Block, Each

Part Number: TRD-6003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Four Seasons Air Conditioning Expansion Valves 38844

Air Conditioning Expansion Valve, Brass, Natural, Chrysler, Dodge, Plymouth, Shelby, Each

Part Number: FSS-38844

Not Yet Reviewed

Estimated Ship Date: Today

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March Performance Thermostat Housings BTH-414-08

Water Neck, Thermostat Housing, Chrysler, Big Block 383-440, Billet, 75 Degree, Two Piece, O-Ring, Each, Black

Part Number: MCH-BTH-414-08

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

ACDelco Radiator Caps 00850800

Radiator Cap, Stainless Steel, 13 psi, Plain Logo, Each

Part Number: ADO-RC6

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Edelbrock Victor Series High Performance Street Mechanical Water Pumps 8824

Edelbrock Victor Series High Performance Street Mechanical Water Pumps 8824

Water Pump, Mechanical, High-Volume, Aluminum, Polished, Mopar, Big Block, Each

Part Number: EDL-8824

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Cast Iron Water Pumps SUM-312317

4.25 out of 5 stars ( 20 )

Estimated Ship Date: Today

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March Performance Thermostat Housings BTH-306-05

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, -20 AN Outlet Size, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-306-05

Not Yet Reviewed

Estimated Ship Date: Today

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March Performance Thermostat Housings BTH-412-08

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: MCH-BTH-412-08

Not Yet Reviewed

Estimated Ship Date: Today

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March Performance Thermostat Housings BTH-304-08

Water Neck, Thermostat Housing, Ford, Small Block 289, 302, 351W, Billet, 75 Degree, Two Piece, O-Ring, Each, Black

Part Number: MCH-BTH-304-08

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Griffin Exact Fit Radiators 5-70012

EXACT FIT RADIATOR

Part Number: GRI-5-70012

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

CA Expansion Tank Straps for 1964-1972 CORVETTE - 25353

Overflow Tank Mounting Straps, Steel, Natural, Chevrolet, Pair

Part Number: MMU-25353

Not Yet Reviewed

Estimated Ship Date: Today

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Four Seasons Water Necks 84852

Water Neck, Replacement, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FSS-84852

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

CSF Radiator - Fluid Coolers for 1965-1989 911, 1978-1979 930 - 8242

Porsche 911/930 Turbo Engine Oil Cooler

Part Number: CSF-8242

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Griffin Exact Fit Radiators 7-00138

EXACT FIT RADIATOR

Part Number: GRI-7-00138

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

OER Radiator Support Bushings 3821684

1963-66 Chevy, GMC Truck; Upper Radiator Mount Pads; Pair

Part Number: OER-3821684

Not Yet Reviewed

Estimated Ship Date: Today

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Griffin Exact Fit Radiators for 1965-1967 GTO, LEMANS, TEMPEST - 6-70060

EXACT FIT RADIATOR

Part Number: GRI-6-70060

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

OER Authorized Heater Cores for 1962-1967 CHEVY II - 3153164

Heater Cores,1962-67 Chevy II/Nova 6-Cyl & SB V8 Engines - Copper/Brass Heater Core (7-3/4" X 6-3/8" X 2-1/2")

Part Number: OER-3153164

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Scott Drake Underhood Air Conditioning Kits for 1966 MUSTANG - 50-0013

Air Conditioning Kit, Underhood, Drier, A/C Condenser, 508 Style V-belt Pump and Pulley, Ford, Kit

Part Number: SDK-50-0013

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Griffin Exact Fit Radiators 5-00161

Radiator, Exact-Fit, Aluminum, Downflow, 2-Row, Dodge, Plymouth, Each

Part Number: GRI-5-00161

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today