2004 Thermostats, Housings & Fillers Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad High Flow Thermostats 2000-180

High Flow Thermostat-180 Degrees

Part Number: SNN-2000-180

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

CVR Thermostat Housings TSH6R

Water Neck, Billet Aluminum, Red Anodized, O-Ring, 90 Degree, 1.5 in., Chevy, Big/Small Block/V6, Each

Part Number: CVS-TSH6R

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Motorcraft Thermostats 2L2Z8575AA

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

Part Number: MOF-RT1167

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Billet Specialties Thermostat Housings BLK90900

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

Part Number: BSP-BLK90900

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

DeWitts Pivoting Water Necks 32-1761-BLK

Water Neck and Thermostat Housing, Swivel, Aluminum, Black, 45 Degree, GM, LS, Each

Part Number: DWR-32-1761-BLK

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Moroso Water Neck Block-Off Plates 63471

Water Neck Block-Off Plate, Aluminum, Natural, Chevy, Each

Part Number: MOR-63471

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad Thermostats with Seal 456-187

Thermostat, with Seal, 187 Degrees F, Stainless Steel, Each

Part Number: SNN-456-187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Moroso Thermostat Spacers 63434

Thermostat Spacer, Billet Aluminum, Black, 1 in. Thick, Chevy, Small Block, Big Block, Each

Part Number: MOR-63434

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad UltraStat Thermostats 5200-160

Thermostat, UltraStat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-5200-160

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad Spec-R Racing Thermostats MRD103

Thermostat, Spec-R, with Seal, 160 Degrees F, Steel/Copper, Chrysler, Dodge, Jeep, RAM, Each

Part Number: SNN-MRD103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

ICT Billet Thermostat Housing Adapters 551836-LS1ST

ICT Billet Thermostat Housing Adapters 551836-LS1ST

Water Neck, Thermostat Housing Adapter, Straight, Aluminum, Natural, Chevrolet, LS, Each

Part Number: ICB-551836-LS1ST

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad Spec-R Racing Thermostats MRD104

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

Part Number: SNN-MRD104

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

JET Low Temp Stats 10163

Thermostat, 160 Degree, Stainless Steel, Dodge, Jeep, Chrysler, 5.7, 6.1, 6.4L, Each

Part Number: JET-10163

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad High Flow Thermostats 2000-160

High Flow Thermostat-160 Degrees

Part Number: SNN-2000-160

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Eddie Motorsports Billet Thermostat Housings MS106-90BA

Water Neck, Billet Aluminum, Black Anodized, 80 Degree, Chevy, LS, Each

Part Number: EMS-MS106-90BA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Allstar Performance Water Outlet Restrictors ALL30241

Water Outlet Restrictors, Aluminum, Buick, Chevy, Ford, Oldsmobile, Pontiac, Set of 3

Part Number: AAF-ALL30241

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

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 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

MotoRad Thermostats with Seal 416-180

Thermostat, with Seal, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-416-180

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air

Summit Racing™ Thermostats SUM-368-160

Thermostat, 160 Degree, Copper/Brass, Mopar, Each

Part Number: SUM-368-160

2.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Estimated Ship Date: Monday 3/30/2026 if shipped by air