Thermostats, Housings & Fillers Cooling & Heating - kits KEYWORD - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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

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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 )

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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 )

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Edelbrock Water Bypass Kits 8095

Edelbrock Water Bypass Kits 8095

Water Bypass Kit, for Circle Track w/15/18/23 Degree High-port heads, Braided Stainless Steel Hoses, Aluminum Fittings, Cast Aluminum Spacer, Kit

Part Number: EDL-8095

1.0 out of 5 stars ( 2 )

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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

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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: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Edelbrock Cooling System Upgrade Kits for 2005-2006 MUSTANG - 15804

Cooling System Upgrade Kit, Water Neck, Hoses, Mounting Hardware, Ford, 4.6L, Kit

Part Number: EDL-15804

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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

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 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

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Estimated Ship Date: Mar 2, 2026 if ordered today

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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 )

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Trick Flow® Clevor Water Crossover Kits TFS-51600600

Thermostat Housing Crossover, Aluminum, Ford, 351W, Cleveland Heads, Kit

Part Number: TFS-51600600

4.0 out of 5 stars ( 4 )

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Moroso Water Neck Bleeder Kits 63430

Water Neck, Aluminum, Natural, 90 Degree, Chevy, Big/Small Block, Kit

Part Number: MOR-63430

4.67 out of 5 stars ( 3 )

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Rein Automotive Coolant Hose Flange Kits for 2005-2009 A4, A4 QUATTRO - CHS0648

Thermostat Housings, Coolant Hose Flange Kit, Includes 3 Hoses, 1 Flange, 1 Gasket, 1 O-Ring, 1 Sensor, 1 Lock Pin, 1 Thermostat, Audi, 2.0L, Kit

Part Number: RIN-CHS0648

5.0 out of 5 stars ( 2 )

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Four Seasons Outlet and Thermostat Housing Kits 86230

Engine Coolant Water Outlet and Thermostat Housing Kit with Thermostat

Part Number: FSS-86230

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits 86260

Engine Coolant Water Outlet Housing Kit, Outlet and Thermostat Housing Kit

Part Number: FSS-86260

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits for 2008-2015 SONATA - 86236

Engine Coolant Water Outlet Housing Kit, Outlet and Thermostat Housing Kit with Thermostat

Part Number: FSS-86236

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Four Seasons Outlet and Thermostat Housing Kits 86005

Outlet and Housing Kit

Part Number: FSS-86005

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits for 2000-2002 LS, S-TYPE - 86045

Engine Coolant Water Outlet Housing Kit, Outlet and Thermostat Housing Kit with Thermostat

Part Number: FSS-86045

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits for 2003-2006 OPTIMA, 2001-2005 SONATA - 86245

Engine Coolant Water Outlet and Thermostat Housing Kit with Thermostat

Part Number: FSS-86245

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Quicksilver Thermostat Kits 807252Q3

Thermostat Kit for 1982 & older MerCruiser V8 engines with standard cooling systems and 1996 and older high performance MerCruiser engines

Part Number: QSV-807252Q3

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Rein Automotive Coolant Hose Flange Kits for 2002-2006 A4, 2002-2005 A4 QUATTRO - CHS0646

Coolant Hose Flange Kit, Thermostat Included, Sensor Included, Plastic, Black, Audi, Kit

Part Number: RIN-CHS0646

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Hardware Rebuild Kits 4910-302-B

Water Neck Replacement Components, 4910 Series Thermostat Housing Hardware Rebuild Kits, Fits 4910-302 Water Neck, Kit

Part Number: HSE-4910-302-B

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Hardware Rebuild Kits 4910-350-B

Water Neck Replacement Components, 4910 Series Thermostat Housing Hardware Rebuild Kits, Fits 4910-350 Water Neck, Kit

Part Number: HSE-4910-350-B

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

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 )

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Four Seasons Outlet and Thermostat Housing Kits for 2009-2014 CTS, 2008-2010 STS - 86202

Outlet and Housing Kit

Part Number: FSS-86202

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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