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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Pacific Performance Engineering Transmission Fluid Bypass Valves 125068000

Automatic Transmission Fluid Control Valve, Transmission Fluid Bypass Valve, Aluminum, GM 6L80, Cadillac, Chevrolet, GMC, Each

Part Number: PPE-125068000

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Summit Racing™ Thermostats SUM-359-180

Thermostat, 180 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-180

4.44 out of 5 stars ( 143 )

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TransGo Transmission Cooler Bypass Delete Kits 6L80-CLR-BYPASS

Automatic Transmission Cooler Bypass Delete Kit, Aluminum, Sealing Washers, 6L80/6L90/8L90/Allison, Chevrolet, Small Block LS, Each

Part Number: TRG-6L80CLRBYPAS

5.0 out of 5 stars ( 6 )

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Pacific Performance Engineering Transmission Fluid Bypass Valves for 2015-2018 SIERRA 1500, SILVERADO 1500 - 125071000

Automatic Transmission Cooler Bypass Kits, Pacific Performance, Thermal Fluid Bypass Valve, Aluminum, Black, Magnetic Service Plug, with O-ring, Each

Part Number: PPE-125071000

4.5 out of 5 stars ( 4 )

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RevMax Transmission Cooler Thermostatic Bypass Upgrades for 2013-2018 2500, 3500 - 68RFE-929AA

Transmission Cooler Thermostatic Bypass, Aluminum, Ram, 68RFE, Each

Part Number: RVM-68RFE-929AA

5.0 out of 5 stars ( 1 )

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TransGo Transmission Cooler Bypass Delete Kits 6R80-CLR-BYPASS

Automatic Transmission Cooler Bypass Delete Kit, Aluminum, Fits Gen 1 and 2 Transmissions, 6R60/6R80, Ford V6, Ford Modular V8, Each

Part Number: TRG-6R80-CLR-BYP

5.0 out of 5 stars ( 3 )

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Pacific Performance Engineering Transmission Fluid Bypass Valves 125069000

Automatic Transmission Cooler Bypass Delete Kit, Transmission Fluid Bypass Valve, Aluminum, 10L80, Cadillac, Chevrolet, GMC, 3.0L Diesel, Each

Part Number: PPE-125069000

5.0 out of 5 stars ( 1 )

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Pacific Performance Engineering Transmission Fluid Bypass Valves for 2011-2023 300, 2012-2023 CHALLENGER, 2015-2023 CHARGER - 225065300

Automatic Transmission Fluid Bypass Valve, Aluminum, Sealing Washers, Chrysler, Dodge, Kit

Part Number: PPE-225065300

Not Yet Reviewed

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RevMax Transmission Cooler Thermostatic Bypass Upgrades for 2019-2020 2500, 3500 - 68RFE-929B

Transmission Cooler Thermostatic Bypass, ZeroStat, Aluminum, Ram, 68RFE, Each

Part Number: RVM-68RFE-929B

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fleece Performance Coolant Bypass Kits for 2003-2005 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-0305

Water Bypass Kit, Coolant Bypass, Spacer, Billet Aluminum, Black Anodized, Hose, for Use with Automatic Transmission Trucks Only, Dodge, Kit

Part Number: FLE-S0109

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Fleece Performance Coolant Bypass Kits for 2003-2007 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-MAN

COOLANT BYPASS KIT, CUMMINS (2003-2007 MANUAL TRANSMISSION)

Part Number: FLE-S0106

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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RevMax Transmission Cooler Thermostatic Bypass Upgrades 68RFE-929A

Thermostatic Bypass Upgrade, Aluminum, Red, Dodge, Ram, 68RFE, Pair

Part Number: RVM-68RFE-929A

Not Yet Reviewed

Estimated Ship Date: Today

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Fleece Performance Coolant Bypass Kits for 1998-2002 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-VP

Water Bypass Kit, Billet Aluminum Spacer, Black Anodized, Hose, Dodge, 5.9L Diesel, Kit

Part Number: FLE-S0103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pacific Performance Engineering Transmission Fluid Bypass Valves for 2013-2018 1500, 2012-2018 WRANGLER, 2018 WRANGLER JK - 225065400

Transmission Fluid Bypass Valve, Billet Aluminum, Jeep JK, Ram, Each

Part Number: PPE-225065400

Not Yet Reviewed

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Fleece Performance Coolant Bypass Kits for 1994-1998 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-12V-SS

Coolant Bypass, 12V Coolant Bypass Kit (1994-1998) w/ Stainless Steel Braided Line

Part Number: FLE-S0306

Not Yet Reviewed

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TransGo Performance Automatic Transmission Cooler Bypass Delete Kits FOMO-COOL

Multi-unit Ford Cooler Bypass Delete Kit plus 62TE

Part Number: TRG-FOMO-COOL

Not Yet Reviewed

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Fleece Performance Coolant Bypass Kits for 1998-2002 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-VP-SS

Coolant Bypass, VP Coolant Bypass Kit (1998.5-2002) w/ Stainless Steel Braided Line

Part Number: FLE-S0305

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fleece Performance Coolant Bypass Kits for 2019-2024 2500, 3500 - FPE-CLNTBYPS-CUMMINS-19

Coolant Bypass Kit for 2019+ Ram with 6.7L Cummins

Part Number: FLE-S0399

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pacific Performance Engineering Transmission Fluid Bypass Valves 125065000

Automatic Transmission Fluid Control Valve, Transmission Fluid Bypass Valve, Aluminum, Allison, Chevrolet, GMC, Each

Part Number: PPE-125065000

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Mishimoto Thermal Bypass Valve Kits MMTC-L5P-TBV

Automatic Transmission Cooler Bypass Delete Kits, Thermostatic, Full-Flow, Aluminum, Black Anodized, Chevy, GMC, L5P, 6.6L, Each

Part Number: MIO-MMTC-L5P-TBV

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Fleece Performance Coolant Bypass Kits for 2003-2007 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-MAN-SS

Water Bypass Kit, Coolant Bypass, Spacer, Billet Aluminum, Black Anodized, Hose, Models with Manual Transmission, Dodge, 5.9L Diesel, Kit

Part Number: FLE-S0301

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Mishimoto Thermal Bypass Valve Kits MMTC-GMP-TBV

Automatic Transmission Cooler Bypass Delete Kits, Thermostatic, Full-Flow, Aluminum, Black Anodized, Chrysler, Dodge, 8HP45, 845RE, Each

Part Number: MIO-TC-GMP-TBV

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Fleece Performance Coolant Bypass Kits for 2006-2007 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-0607

Water Bypass Kit, Coolant Bypass, Spacer, Billet Aluminum, Black Anodized, Hose, for Use with Automatic Transmission Trucks Only, Dodge, Kit

Part Number: FLE-S0110

Not Yet Reviewed

Estimated Ship Date: Today

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Mishimoto Thermal Bypass Valve Kits for 2016-2021 GRAND CHEROKEE - MMTC-WK2-TBV

Automatic Transmission Cooler Bypass Delete Kits, Thermostatic, Full-Flow, Aluminum, Black Anodized, Jeep, 8HP70/75, 8HP95, Each

Part Number: MIO-TC-WK2-TBV

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

PPE Automatic Transmission Cooler Bypass Delete Kits 225065200

Transmission Fluid Thermal Bypass Valve

Part Number: PPE-225065200

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Fleece Performance Coolant Bypass Kits for 1994-1998 RAM 2500, RAM 3500 - FPE-CLNTBYPS-CUMMINS-12V

Water Bypass Kit, Billet Aluminum Spacer, Black Anodized, Hose, Dodge, 5.9L Diesel, Kit

Part Number: FLE-S0104

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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