Automotive Cooling & Heating Parts

When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need...

When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need to offset that extra heat, including high performance radiators and oil coolers, electric fans, high-flow electric water pumps, and thermostats. We also have radiators and coolers for everything from stock replacements to street rods and other custom applications, plus flex fans, wiring kits, and radiator caps. If your heater or air conditioner has seen better days (or if your vehicle never had one!), we can help you out with heater cores, air conditioners,...

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Results 1 - 18 of 18

Moroso Water Outlet Restrictor Kits 63440

Water Outlet Restrictors, Aluminum, Chevy/Ford, Set of 3

Part Number: MOR-63440

4.81 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Water Outlet Restrictors SUM-380850

Water Outlet Restrictors, Aluminum, Includes One 5/8 in., One 3/4 in., and One 1 in. Restrictor, Chevrolet, Ford, Set of 3

Part Number: SUM-380850

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Allstar Performance Radiator Hose Restrictors ALL30242

Water Outlet Restrictor, Aluminum, 0.625 in. I.D., 1.800 in. O.D., Each

Part Number: AAF-ALL30242

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Allstar Performance Water Outlet Restrictors ALL30241

Water Outlet Restrictors, Aluminum, Buick, Chevy, Ford, Oldsmobile, Pontiac, Set of 3

Part Number: AAF-ALL30241

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Milodon Water Outlet Restrictor Kits 16420

Milodon Water Outlet Restrictor Kits 16420

Water Outlet Restrictors, Steel, Chevy/Ford, Set of 3

Part Number: MIL-16420

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Racing Automotive Group Water Outlet Restrictors 63440

Water Outlet Restrictors, Aluminum, Chevy, Ford, Set of 3

Part Number: RAU-63440

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

KRC Racing Aluminum Water Restrictors KRC-1027

Water Outlet Restrictor, Aluminum, Funnel Shaped, Each

Part Number: KRC-1027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

AFCO Racing Water Outlet Restrictors 80068

Water Restrictor, RESTRICTOR, LOWER RAD HOSE

Part Number: AFC-80068

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Sierra Marine Water Outlet Restrictors 18-1847K

3" Dry Joint Spacer Kit - Standard Cooling

Part Number: RRA-18-1847K

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

ACDelco Multi-Purpose Caps 15544596

Multi Purpose Cap, Coolant, Rubber, Each

Part Number: ADO-15544596

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sierra Marine Water Outlet Restrictors 18-1844K

3" Dry Joint Spacer Kit - Restricted Cooling

Part Number: RRA-18-1844K

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

Champ Pans Water Outlet Restrictors CP714

Water Outlet Restrictor, Aluminum water outlet divider

Part Number: CHP-CP714

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

Champ Pans Water Outlet Restrictors CP715

Water Outlet Restrictor, Aluminum water outlet divider with -16 an fitting for outlet

Part Number: CHP-CP715

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

WEHRS Machine Racing Products Water Outlet Restrictors WM9

Water Outlet Restrictors, RADIATOR RESTRICTOR

Part Number: WEH-WM9

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Champ Pans Water Outlet Restrictors CP716

Water Outlet Restrictor, Aluminum water outlet divider with -20 an fitting for outlet

Part Number: CHP-CP716

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

Mopar Replacement Air Conditioning System Replacement Components 04677378AB

VALVE, VARIABLE RESTRICTOR, 1996-2008

Part Number: MOP-04677378AB

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

WEHRS Machine Racing Products Water Necks and Thermostat Housings WM749

COOL COMBO DIVIDER AND RESTRICTOR

Part Number: WEH-WM749

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Motorcraft Air Conditioning Evaporator Cores BC3Z19860B

CORE - AIR CONDITIONING EVAPOR

Part Number: MOF-YK227

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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