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

Sierra Marine Thermostats 18-3535

Thermostat, 130 Degrees Opening Temperature, Plastic/Steel, Mercury Marine, Each

Part Number: RRA-18-3535

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Motorcraft Thermostats 3M4Z8575B

Thermostat, Mechanical, Standard-flow, 190 degrees, Copper/Steel, Ford, Lincoln, Mercury, Each

Part Number: MOF-RT1193

Not Yet Reviewed

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OER Water Necks and Thermostat Housings MP6500

1967-76 Dodge, Plymouth; Thermostat Housing; with V8

Part Number: OER-MP6500

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Beck/Arnley Water Necks and Thermostat Housings 143-0964

TSTAT with HOUSING

Part Number: BCK-143-0964

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

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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Dorman Thermostat Housings 902-2081

THERMOSTAT HOUSING

Part Number: RNB-902-2081

Not Yet Reviewed

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March Performance Thermostat Housings BTH-405-05

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each

Part Number: MCH-BTH-405-05

Not Yet Reviewed

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CVR Thermostat Housings TSH5BL

Water Neck, 90 degree, 1.50 in. Hose Barb, Billet Aluminum, Blue Anodized, Buick, Chevy, GMC, Pontiac, Small Block LS, Each

Part Number: CVS-TSH5BL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

March Performance Thermostat Housings BTH-412-05

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

Part Number: MCH-BTH-412-05

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

March Performance Thermostat Housings BTH-407-05

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Dodge, Jeep, 5.2L, 5.9L, Each

Part Number: MCH-BTH-407-05

Not Yet Reviewed

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CVR Thermostat Housings TSH8SBK

Thermostat Housing - Chrysler Straight - 1-1/2" Hose - Black

Part Number: CVS-TSH8SBK

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

ARP Thermostat Housing Fasteners 455-7402

ARP Thermostat Housing Fasteners 455-7402

Thermostat Housing Bolts, Stainless Steel, Hex, Ford, FE, Set

Part Number: ARP-455-7402

Not Yet Reviewed

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EMP Stewart High Performance Thermostats 306

Thermostat, 195 degree, High-flow, Chrysler, Dodge, Ford, Plymouth, Each

Part Number: EMP-306

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-440-24-2

Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Dodge, Magnum Engines, Each

Part Number: HSE-4910-440-242

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-350-24-3

Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Chevy, Small/Big Block, Each

Part Number: HSE-4910-350-243

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Weiand Aluminum Water Necks 6255

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-460-24-3

Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, Ford, 426/460, Each

Part Number: HSE-4910-460-243

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Billet Specialties Thermostat Housings 90725

4 out of 5 stars ( 9 )

Estimated Ship Date: Today

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CVR Thermostat Housings TSH4CL

Water Neck, 90 degree, Billet Aluminum, Clear Anodized, Buick, Chevy, GMC, Pontiac, Chevy Small Block, Each

Part Number: CVS-TSH4CL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Dorman Thermostat Housings 902-754

Engine Coolant Thermostat Housing

Part Number: RNB-902-754

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Moroso Radiator Hose Fillers 63483

Filler Neck, Extended, Inline, 1.25 IN To 1.25 IN

Part Number: MOR-63483

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

March Performance Thermostat Housings BTH-101-08

Water Necks and Thermostat Housings, Straight, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet Size, Pontiac, Pontiac V8, Each

Part Number: MCH-BTH-101-08

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

Drag Race Solutions Water Filler Necks 3300-005B

Water Filler Neck, Radiator Cap Filler Neck Style, Aluminum, Black Powdercoated, Kit

Part Number: CHH-3300-005B

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Four Seasons Water Necks 84805

Water Neck, Stock Style, Natural, Chrysler, Dodge, Plymouth, Each

Part Number: FSS-84805

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Fluidyne Remote Billet Radiator Filler Necks ACC.RFNPOL125

Radiator Filler Necks, Billet, Remote Filler Neck, Aluminum, Polished Finish, 1.25 in. Inlet/Outlet Size, 1/4 in. Hose Barb Overflow, with Cap, Each

Part Number: FLD-ACCRFNPOL125

Not Yet Reviewed

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Mishimoto Thermostats MMTS-WRA-03L

Thermostat, Mechanical, Standard-flow, 180 degrees, Copper/Stainless Steel, Chrysler, Dodge, Plymouth, Jeep

Part Number: MIO-MMTS-WRA-03L

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Mishimoto Thermostats MMTS-Y61-97

Thermostat, Nissan, Toyoya, Lexus, Racing Thermostat, Each

Part Number: MIO-MMTS-Y61-97

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