2017 Thermostats, Housings & Fillers Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 28290034

Water Necks and Thermostat Housings, GM Genuine Parts, Plastic, Black, Thermostat Included, 217 degrees F Opening Temperature, Buick, Chevrolet, Each

Part Number: ADO-28290034

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

JET Low Temp Stats 10166

Thermostat, Powertech, 160 degree, Chevy, GMC, Each

Part Number: JET-10166

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Holley Thermostat Housing Assemblies 97-169

Water Neck Thermostat Housings, Replacement, Aluminum, 1.50 in. Outlet, O-ring Seal, with Thermostat, for LT/LS Mid-Mount Accessory Drive Only, Each

Part Number: HLY-97-169

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Mishimoto Thermostat Housings MMTS-WRA-12V2

Thermostat Housing, Aluminum, Natural, Includes Thermostat,180 Degree, Dodge, Jeep, 3.6L, Each

Part Number: MIO-MMTSWRA12V2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Holley Thermostat Housing Assemblies 97-343

Water Neck Assembly, Swivel 45 Degree Angle, Aluminum, Black Anodized Finish, with Bolts, for 1 3/4 in. Hose, Chrysler, Dodge, Gen III Hemi, Each

Part Number: HLY-97-343

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Mishimoto Thermostats MMTS-CHV-01DH

Thermostats, Mechanical, 185 degree, 191 degree, Standard-flow, Chevy, 6.6L Duramax Diesel, Pair

Part Number: MIO-MMTSCHV01DH

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

MotoRad Thermostats with Seal 523-180

Thermostat, Mechanical, Thermostat with Seal, Standard-flow, 180 degrees F, Copper/Stainless Steel, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: SNN-523-180

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

MotoRad Spec-R Racing Thermostats MRD105

Thermostat, Spec-R, with Seal, 160 Degrees F, Stainless Steel/Copper, Universal, Each

Part Number: SNN-MRD105

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Billet Specialties Thermostat Housings BLK90520

Thermostat Housing, Swivel, 75 Degree, Black, LT1, LT2, LT4, LT5, Gasket and Thermostat Not Included, Chevy, Each

Part Number: BSP-BLK90520

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Billet Specialties Thermostat Housings BLK90334

Water Neck, Aluminum, Black Anodized, O-ring, 15 Degree, Each

Part Number: BSP-BLK90334

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

CVR Thermostat Housings TSH5CL

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

Part Number: CVS-TSH5CL

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Holley Thermostat Housing Assemblies 97-341

Water Necks and Thermostat Housings, Gen III Hemi, Thermostat/Housing, 90 Degree, Swivel, Aluminum, Black, with Bolts, Chrysler, Dodge, 5.7-6.4L, Each

Part Number: HLY-97-341

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

JET Low Temp Stats 10183

Thermostat, 180 Degree, Stainless Steel, Dodge, Jeep, Chrysler, 5.7, 6.1L, Each

Part Number: JET-10183

4.39 out of 5 stars ( 41 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Summit Racing™ Aluminum Water Necks SUM-370997

Water Neck, Thermostat Housing, Cast Aluminum, Polished, Straight, Chevrolet, LS, Each

Part Number: SUM-370997

1.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Summit Racing™ Chrome Water Necks SUM-370995

Water Neck, Aluminum, Chrome Plated, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: SUM-370995

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Fleece Performance Water Neck Block-Off Plates FPE-DMAX-CBOP

Water Neck Block-Off Plate, Aluminum, Black Anodized, Duramax, Diesel, Each

Part Number: FLE-S0312

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Vintage Air ProLine Swivel Water Necks 706002

Water Neck, 90 degree, Swivel, Aluminum, Polished, Gasket Sealing Style, Each

Part Number: VTA-706002

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Mishimoto Thermostats MMTS-VET-14

Thermostat, Mechanical, Standard-flow, 160 degrees, Copper/Stainless Steel, Chevy, GMC, Each

Part Number: MIO-MMTS-VET-14

2.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Motorcraft Thermostats 7L3Z8575E

Thermostat Mechanical, Brass/Stainless Steel, 190 Degree. Ford, Lincoln, Mercury. Each

Part Number: MOF-RT1254

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Billet Specialties Thermostat Housings BLK90920

Water Neck, Billet Aluminum, Black Anodized, Straight Up, -20 AN Male Threads, Chevy, LS, Each

Part Number: BSP-BLK90920

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Billet Specialties Thermostat Housings 90900

Water Neck, Billet Aluminum, Natural, Straight Up, -16 AN Male Threads, Chevy, LS, Each

Part Number: BSP-90900

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12741007

Water Neck and Thermostat Housing, GM Genuine Part, Aluminum, Natural, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12741007

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Billet Specialties Thermostat Housings 90334

Water Neck, Aluminum, O-ring, Polished, 15 Degree, Each

Part Number: BSP-90334

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

MotoRad Spec-R Integrated Thermostat Housings MRD108

Water Neck, Spec-R, Aluminum, Black, Chevy, Cadillac, GMC, Each

Part Number: SNN-MRD108

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Summit Racing™ Thermostats SUM-366-180

Thermostat, 180 Degree, Copper/Brass, Stainless Body, Chevy, GMC, Cadillac, LS, V8, V6, Each

Part Number: SUM-366-180

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026