Mechanical Car Thermostats

It’s simple: a mechanical car thermostat opens when your engine gets too hot, letting coolant flow, and then it closes when the temperature is just right. Summit...

It’s simple: a mechanical car thermostat opens when your engine gets too hot, letting coolant flow, and then it closes when the temperature is just right. Summit Racing Equipment is your ultimate source for mechanical thermostats, with applications for every engine size and opening temperature you would ever need!

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When the heat is on, equip your car or truck with a high-quality thermostat. Shop for stock car thermostat replacements and high-performance upgrades from manufacturers like Meziere, Stant, Vintage Air, ACDelco, Dorman, FlowKooler, JET Performance, Motorcraft, and many more.

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Individual Parts

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Results 1 - 25 of 2000 +

Summit Racing™ Thermostats SUM-359-180

Thermostat, 180 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-180

4.49 out of 5 stars ( 137 )

Estimated Ship Date: Today

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Summit Racing™ Thermostats SUM-365-160

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chevy, Pontiac, GMC, LS, Each

Part Number: SUM-365-160

4.26 out of 5 stars ( 35 )

Estimated Ship Date: Today

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Summit Racing™ Thermostats SUM-359-160

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-160

4.37 out of 5 stars ( 76 )

Estimated Ship Date: Today

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EMP Stewart High Performance Thermostats 301

Thermostat, 180 Degree, High-Flow, Copper/Steel, 3 Bypass Holes, Each

Part Number: EMP-301

4.85 out of 5 stars ( 97 )

Estimated Ship Date: Today

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EMP Stewart High Performance Thermostats 300

Thermostat, 160 Degree, High-Flow, Copper/Steel, 3 Bypass Holes, Each

Part Number: EMP-300

4.59 out of 5 stars ( 49 )

Estimated Ship Date: Today

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FlowKooler Robertshaw Series High Performance Thermostats 330-160

Thermostat, High Flow, 160 Degree F, Copper/Brass, AMC, GM, Chrysler, Ford, Each

Part Number: BRA-330-160

4.78 out of 5 stars ( 72 )

Estimated Ship Date: Today

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Edelbrock High Performance Thermostats 8604

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 180 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8604

4.33 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Mishimoto Thermostats MMTS-JED-06L

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

Part Number: MIO-MMTS-JED-06L

4.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Mr. Gasket High Performance Thermostats 4364

Thermostat, 180 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4364

4.09 out of 5 stars ( 111 )

Estimated Ship Date: Today

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Lingenfelter Performance Engineering Thermostats L310065307

Thermostat, 160 Degrees Opening Temp Rating, Copper/Steel, Gaskets, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: LPE-L310065307

4.31 out of 5 stars ( 49 )

Estimated Ship Date: Today

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Summit Racing™ Thermostats SUM-362-180

Thermostat, 180 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chrysler, Dodge, Jeep, Hemi, Each

Part Number: SUM-362-180

4.11 out of 5 stars ( 35 )

Estimated Ship Date: Today

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Mr. Gasket High Performance Thermostats 4366

Thermostat, 160 Degree, High-Flow, Chrysler, Dodge, Plymouth, V8, Each

Part Number: MRG-4366

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Summit Racing™ Thermostats SUM-363-160

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Housing, Chevy, Pontiac, Each

Part Number: SUM-363-160

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Mr. Gasket LS Thermostats 6367

Thermostat, 160 Degree, High-Flow, Copper/Brass, Chevy, LS, Each

Part Number: MRG-6367

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Mr. Gasket High Performance Thermostats 4363

Thermostat, 160 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4363

4.02 out of 5 stars ( 62 )

Estimated Ship Date: Today

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Edelbrock High Performance Thermostats 8603

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 160 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8603

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Today

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FlowKooler Robertshaw Series High Performance Thermostats 330-180

Thermostat, High-Flow, 180 Degree F, Copper/Brass, Each

Part Number: BRA-330-180

4.58 out of 5 stars ( 33 )

Estimated Ship Date: May 5, 2025 if ordered today

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Estimated Ship Date: May 5, 2025 if ordered today

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Mr. Gasket High Performance Thermostats 4364

4 out of 5 stars ( 111 )

Estimated Ship Date: Today

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Summit Racing™ Thermostats SUM-366-160

Thermostat, 160 Degree, Copper/Brass, Stainless Body, Chevy, GMC, Cadillac, LS, V8, V6, Each

Part Number: SUM-366-160

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Mr. Gasket LS Thermostats 6368

Thermostat, 180 Degree, High-Flow, Copper/Brass, GM, LS, Each

Part Number: MRG-6368

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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RIPP Superchargers Thermostats 1215-180DEG

Thermostat, 180 Degree, Jeep, Dodge, Chrysler, 3.6L, Each

Part Number: RIP-1215-180DEG

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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JET Low Temp Stats 10166

JET Low Temp Stats 10166

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

Part Number: JET-10166

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Mr. Gasket High Performance Thermostats 4367

Thermostat, 180 Degree, High-Flow, Chrysler, Dodge, Plymouth, V8, Each

Part Number: MRG-4367

3.38 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Flow Thermostats 900180

Thermostats, Mechanical, High-Flow, 180 degrees, Copper/Steel, AMC, Cadillac, Chevy, Dodge, Ford, GMC, Jaguar, Kaiser, MG, Rover, Saab, Triumph, Each

Part Number: TFF-900180

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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MotoRad UltraStat Thermostats 5200-180

Thermostat, UltraStat, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-5200-180

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Engine Coolant Thermostats 89018168

Thermostat, Mechanical, OE, 187 degrees, Standard-flow, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-131-160

5.0 out of 5 stars ( 7 )

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