1994 Thermostats, Housings & Fillers 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-403-08

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

Part Number: MCH-BTH-403-08

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

March Performance Thermostat Housings BTH-304

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

Part Number: MCH-BTH-304

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-383-20-3

Water Neck, Aluminum, Red Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each

Part Number: HSE-4910-383-203

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Mishimoto Thermostats MMTS-RX8-04L

Thermostat, Mechanical, Standard-flow, 169 degrees, Copper/Stainless Steel, Mazda, Each

Part Number: MIO-MMTS-RX8-04L

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

March Performance Thermostat Housings BTH-306-08

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

Part Number: MCH-BTH-306-08

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Moroso Water Outlet Necks 63476

Water Neck, Straight Up, Billet Aluminum, Clear Anodized, Chevy, Chrysler, Dodge, Plymouth, Each

Part Number: MOR-63476

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-302-20-2

Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-202

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-302-20-5

Water Neck, Aluminum, Clear Anodized, O-Ring, 75 Degree, 1.250 in. Outlet, Ford, Small Block, Each

Part Number: HSE-4910-302-205

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

March Performance Thermostat Housings BTH-401-08

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

Part Number: MCH-BTH-401-08

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

March Performance Thermostat Housings BTH-204-05

Water Neck, Thermostat Housing, Billet, Big/Small Block, Chevy, 75 Degree, Each, O-Ring, Polished

Part Number: MCH-BTH-204-05

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Wilson Manifolds MotoRad Failsafe Thermostats 557195

Thermostat, MotoRad Failsafe, High-flow, 195 degrees, Copper/Stainless Steel, Buick, Cadillac, Chevy, Pontiac

Part Number: WSN-557195

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

ACDelco GM Genuine Parts Engine Coolant Thermostats 12559807

Thermostat, Mechanical, OE, 180 degrees, Standard-flow, Each

Part Number: ADO-131-128

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Beck/Arnley Coolant Thermostats for 1991-1999 3000GT, 1991-1996 STEALTH - 143-0716

Thermostat, Replacement, 170 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0716

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Allstar Performance Chevy Aluminum Water Necks ALL30371

Water Necks and Thermostat Housings, Allstar Performance Chevy Aluminum Water Necks, 90 Degree, Swivel, Aluminum, Black, Chevy, Each

Part Number: AAF-ALL30371

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

CVR Thermostat Housings TSH6ABL

Water Neck, Swivel, Billet Aluminum, Blue Anodized, O-ring, 90 degree, -16 AN, Chevy, GMC, Chrysler, Dodge

Part Number: CVS-TSH6ABL

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

CVR Thermostat Housings TSH7ACL

Water Neck, Billet Aluminum, Clear Anodized, O-Ring, 90 Degree, 16 AN, Ford, Small Block, 351W, Each

Part Number: CVS-TSH7ACL

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Canton Racing Universal Water Outlet Fittings 80-100

Canton Racing Universal Water Outlet Fittings 80-100

Water Neck, Billet Aluminum, Natural, -16 AN Male, Straight Up, Chevy, Big/Small Block, Each

Part Number: CTR-80-100

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

MotoRad Thermostats 281-180

Thermostat-180 Degrees

Part Number: SNN-281-180

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

ACDelco GM Genuine Parts Engine Coolant Thermostats 24507563

Thermostat, Mechanical, OE, 195 degrees, Standard-flow, Each

Part Number: ADO-131-124

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Moroso Billet Aluminum Filler Necks 63468

Water Neck, Billet Aluminum, Black, Radiator Cap Filler, Chevy, Big/Small Block, Each

Part Number: MOR-63468

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Moroso Manifold Filler Necks 63465

5 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026

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MotoRad Thermostats 5228-180JV

Thermostat, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-5228-180JV

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Philadelphia Racing Products Thermostat Housings PRP-6122

Thermostat Housing, Aluminum, Clear Anodized, Swivel, 90 Degree, 1 3/4 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6122

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Philadelphia Racing Products Thermostat Housings PRP-6422

Thermostat Housing, Aluminum, Blue Anodized, Swivel, 90 Degree, 1 3/4 in. Outlet, Chevy, Each

Part Number: PGP-PRP-6422

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Philadelphia Racing Products Thermostat Housings PRP-6423

Thermostat Housing, Aluminum, Blue Anodized, Swivel, 90 Degree, -12 AN Outlet, Chevy, Each

Part Number: PGP-PRP-6423

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today