Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
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!
Top Brands
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.
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!
Top Brands
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.
Showing In Stock Items. Show All 30 Items.
Thermostat, Mechanical, OE, 180 degrees, Standard-flow, Each
Part Number: ADO-131-158
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, with Seal, 180 Degrees F, Stainless Steel, Each
Part Number: SNN-461-180
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, 180 Degree, High-Flow, Copper/Brass, GM, LS, Each
Part Number: MRG-6368
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, 160 Degree, High-Flow, Copper/Brass, Chevy, LS, Each
Part Number: MRG-6367
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, Mechanical, OE, 185 degrees, Standard-flow, Copper/Brass, Each
Part Number: ADO-131-156
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, with Seal, 160 Degrees F, Stainless Steel, Each
Part Number: SNN-456-160
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, with Seal, 187 Degrees F, Stainless Steel, Each
Part Number: SNN-456-187
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, Spec-R, with Seal, 160 Degrees F, Steel/Copper, Universal, Each
Part Number: SNN-MRD104
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat-180 Degrees w/ Seal
Part Number: SNN-456-180
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, Powertech, 180 Degree, Stainless Steel, Chevy, GMC, V8, Each
Part Number: JET-10175
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostats, Mechanical,GM LS Series Cast Aluminum 90° Water Neck Outlet & Thermostat (GM 5.7L, 6.0L, 6.2L), as-cast, Temp 82°C/180°F
Part Number: PQX-5234683
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat, Integrated Housing Thermostat, 187 Degrees F, Stainless Steel, Each
Part Number: SNN-379-187
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostats, Mechanical,GM LS Series Cast Aluminum 90° Water Neck Thermostat (GM 5.7L, 6.0L, 6.2L), as-cast,Temp 82°C/180°F
Part Number: PQX-5234685
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Thermostats, Mechanical,GM LS Series Cast Aluminum 90° Water Neck Outlet & Thermostat (GM 5.7L, 6.0L, 6.2L), Polished, Temp 82°C/180°F
Part Number: PQX-5234693
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
