Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

Gearhead Gifts - Find the Perfect Gift
for the Gearhead on Your List!

It's the Season for Savings - Shop Holiday Deals Now!

Selected Filters


Loading...

Mechanical Car Thermostats

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.

Part Groups

Results 1 - 24 of 44

Summit Racing™ Thermostats

Summit Racing offers replacement thermostats for thousands of vehicles. They're offered in a variety of styles, materials, flow rates, temperature ratings, and more. A reliable thermostat is essential to your cooling system and overall performance—kicking in precisely when your engine needs it. Order the model best suited for your application.

4.28 out of 5 stars ( 360 )

$5.99

$49.99

EMP Stewart High Performance Thermostats

EMP Stewart custom thermostats are manufactured by Robert Shaw and modified by EMP Stewart. They feature a balanced sleeve design and are designed for high-rpm applications. These high-flow thermostats are recommended for any performance applications and work well with high-output water pumps.

4.68 out of 5 stars ( 203 )

$34.99

$38.99

Edelbrock High Performance Thermostats

Edelbrock high performance thermostats are designed to ensure consistent cooling in high performance applications. Edelbrock thermostats feature brass and copper valve assemblies with stainless steel bodies for durability. They are bolt-on OE-style replacements and are available to fit many popular domestic and import applications. They are available with160, 180, and 190 degree F ratings.

4.43 out of 5 stars ( 46 )

$22.95

$26.95

On Sale

Mr. Gasket High Performance Thermostats

Mr. Gasket high-performance thermostats are designed to resist large variations in coolant pressures that can occur at high rpms. Under these conditions, coolant temperature and pressure fight for control of the thermostat, keeping it from opening at its designed temperature. These balanced high-performance thermostats have brass-and-copper construction, and open at the right temperature regardless of engine rpm.

3.98 out of 5 stars ( 236 )

$29.11

$31.46


$21.83

$28.31

FlowKooler Robertshaw Series High Performance Thermostats

FlowKooler Robertshaw high performance thermostats are designed to resist large variations in coolant pressures that can occur at high rpm. Under these conditions, coolant temperature and pressure fight for control of the thermostat, keeping it from opening at its designed temperature. These balanced, high performance thermostats feature brass-and-copper construction and will open at the right temperature, regardless of engine rpm.

4.59 out of 5 stars ( 153 )

$28.99

$47.79

Mishimoto Thermostats

Mishimoto thermostats are effective in noticeably lowering engine coolant temperatures. These thermostats are built with high-quality wax and are shipped with new rubber gaskets (where applicable) for a good, leak-free seal. They are then digitally calibrated for precise operation. Mishimoto thermostats open up at a slightly lower temperature than OEM or standard thermostats once your engine is fully warmed up. This allows the coolant to flow through the engine sooner, thus reducing and maintaining cooler engine temperatures. Whether you have a daily driver or a modified and upgraded turbo, Mishimoto thermostats will maintain optimal temperatures to efficiently cool your application.

4.44 out of 5 stars ( 73 )

$28.95

$147.95

On Sale

Mr. Gasket LS Thermostats

Mr. Gasket offers these high-quality thermostats for GM LS series automobile and light truck engines that utilize a separate thermostat and water neck. They're available in 160 and 180 degree temperatures to suit your engine application.

4.12 out of 5 stars ( 25 )

$36.74


$33.07

RIPP Superchargers Thermostats

RIPP Superchargers thermostats are RIPP-tested and customer-approved. Compatible with RIPP tuning or stock, their thermostats will work to keep your engine much cooler on the road when you're towing, or on long days over the trails. Installation is easy--simply drop in--no modifications are required. Replace your stock thermostat with RIPP Superchargers 180 degree thermostats and let the cooling--and fun--begin!

3.82 out of 5 stars ( 11 )

$44.56

Summit Bucks

ACDelco GM Genuine Parts Engine Coolant Thermostats

ACDelco GM Genuine Parts engine coolant thermostats monitor the flow of coolant through your vehicle's engine and radiator. Built to the exact specification of your original component, these are the only GM-recommended replacements. Do not settle for anything less than the best; choose ACDelco GM Genuine Parts.

4.46 out of 5 stars ( 37 )

$13.50

$68.99

MotoRad UltraStat Thermostats

MotoRad offers UltraStat thermostats for a wide range of car, truck, and van applications from the 1980s and up. Their heavy-gauge stainless steel components provide increased reliability and long-lasting durability. The thermostats feature exclusive BLVT Valve Technology to minimize thermal shock to cooling system components. Select the model and opening temperature rating recommended for your vehicle. Additional details: * Stainless steel thermal element for unmatched corrosion resistance * Revolutionary REAX wax mixture provides quicker reaction time * AccuSpring design for stable temperature control and increased cabin comfort

4.25 out of 5 stars ( 4 )

$8.99

$16.99

BluePrint Engines Thermostats

BluePrint Engines offers replacement thermostats for a variety of Chevrolet and Ford vehicle and engine applications from the 1950s and up. These economical parts are recommended for SBC, BBC, and SBF apps (not for GM LS/LT engines). They will also work with BPP10108470 GM waternecks. Ensure proper operation of your cooling system with a new thermostat from BluePrint.

5.0 out of 5 stars ( 2 )

$14.95

MotoRad Thermostats with Seal

MotoRad offers thermostats with gasket seal for a wide range of car and truck applications from the 1990s and up. They feature high-grade stainless steel and copper construction, and are 100 percent tested and calibrated for consistent, precise response to your cooling system needs. The thermostats provide an OE design for worry-free direct-fit replacement; they meet or exceed factory standards. Order the model (and opening temperature rating) recommended for your vehicle.

3.67 out of 5 stars ( 12 )

$9.99

$19.99

Summit Bucks

ACDelco Gold Engine Coolant Thermostats

ACDelco Gold engine coolant thermostats are premium aftermarket replacements. They provide great performance and dependability. These thermostats meet all expectations for fit, form, and function. Get control of your coolant with an ACDelco Gold product.

3.58 out of 5 stars ( 12 )

$6.50

$49.99

Tuff Stuff Performance High-Flow Thermostats

Standard thermostats flow approximately 37 gallons of coolant per minute. Tuff Stuff Performance high-flow thermostats' number jumps to an impressive 56 gallons per minute—that's almost a 50 percent increase in coolant flow! Ideal for high performance vehicles, these thermostats increase flow, reduce delays in engine warm-ups, and allow trapped air in the cooling system to escape, thus stabilizing the pressure of the cooling system overall. Tuff Stuff Performance thermostats feature stainless steel construction with extra-large ports to ensure increased coolant flow, and the bridge design offers increased strength, stability, and reliability. These economical parts are available for thousands of make/model applications spanning the decades from the 1940s through the 1990s.

3.79 out of 5 stars ( 29 )

$17.99

$22.99

Chevrolet Performance Thermostats

You always get optimum performance when your engine is running at the proper temperature. Chevrolet Performance thermostats are made of high-quality stainless steel and copper. They help your ride stay cool, to make sure that you get the most out of your vehicle. Stop the knocking, power reduction, and possible engine damage that high-temperature running can cause. Chevrolet Performance thermostats will keep your engine running at the perfect temperature--what more could you ask for?

4.3 out of 5 stars ( 10 )

$22.99

$55.99

Granatelli Motor Sports High-Flow Thermostats

Granatelli Motor Sports high-flow thermostats are designed to work with all 5.7L, 6.1L, 6.2L, 6.4L, and Hemi engines—including Hellcat. These high-flow thermostats are a direct OEM replacement part that ensures maximum cooling efficiency and can help protect the engine from damage associated with excessive heat. Granatelli high-flow thermostats have a copper, brass, and stainless steel construction to provide long service and high reliability.

1.8 out of 5 stars ( 10 )

$49.88

$55.86

MotoRad Fail-Safe Thermostats

MotoRad offers fail-safe thermostats for a wide range of vehicles. These OE-style replacements are designed for a direct-fit and optimum performance. High-grade stainless steel and copper construction assure good response to temperature changes in the engine coolant. The thermostats are 100 percent tested and calibrated to meet or exceed factory standards. Order the model recommended for your application.

3.0 out of 5 stars ( 2 )

$10.99

$34.99

On Sale

JET Low Temp Stats

With one of these low-temperature JET thermostats, you get consistent engine cooling and increased horsepower by reducing engine temperature. You'll also obtain more precise metering of water throughout your engine—as well as a long product life, since the thermostats are made from stainless steel.

4.28 out of 5 stars ( 137 )

$18.94

$59.24


$17.05

$53.32

Mopar Replacement Thermostats

Mopar Replacement thermostats offer high-quality, along with an original equipment fit and function to keep your favorite Chrysler, Dodge, Plymouth, or Jeep rolling down any road you choose to travel. For a direct fit and reliable, safe operation, service your vehicle with genuine Mopar Replacement thermostats to maintain the "cooling" performance you've come to expect. Order the model designed for your specific application.

4.33 out of 5 stars ( 9 )

$19.50

$52.99

Mahle Original Thermostats

To operate efficiently while minimizing wear and emissions, a combustion engine requires the temperature to remain as constant as possible, and thermostats, Mahle Original thermostats, are used exactly for that purpose—to regulate the engine temperature with coolant. Labeled "The Managers of the Cooling Circuit", Mahle Original thermostats cover a wide range of applications with a variety of styles and temperature ranges. Whether due to an accident or as part of repair/maintenance work that requires access to the cooling system, these important temperature regulators should be replaced at that time to ensure continued functionality. Whether a thermostat insert or an integral or map-controlled thermostat, or one of Mahle's other offerings, all will perform and operate properly to maintain optimal function of your vehicle's--passenger or commercial--cooling system.

5.0 out of 5 stars ( 4 )

$8.50

$109.99

Meziere Thermostats

You always get optimum performance when your engine is running at the proper temperature. Meziere Enterprises thermostats help your ride stay cool, making sure that you always get the most out of your vehicle. Stop the knocking, power reduction, and possible engine damage that high-temperature running can cause. Trust Meziere Enterprises to keep you cool.

4.18 out of 5 stars ( 22 )

$10.99

MotoRad Thermostats

All thermostats are not created equal. MotoRad thermostats offer superior, consistent performance that begins at the heart of their design. The ELAC heat motor, with its unique properties, provides a precise response to your vehicle's cooling system needs. Powered by a precisely formulated thermal-responsive wax pellet in a heat-conducting copper cup equipped with a stainless steel piston, the heat motor is 100 percent calibrated to ensure quality and performance. MotoRad encases the motor in a stainless steel assembly with a self-cleaning, self-aligning valve, flange, bridge, and spring for a securely sealed unit that will keep your engine temperature within OEM specifications. All thermostats are not alike; so, when you want a well-engineered product, look for MotoRad thermostats.

2.25 out of 5 stars ( 4 )

$2.50

$25.79

MotoRad Spec-R Racing Thermostats

In racing, precision is everything--from the driver's skill to each component under the hood. A racing engine thermostat isn't just about maintaining a lower temperature; it must endure the relentless demands of high-flow, high-pressure environments that standard parts simply can't handle. MotoRad Spec-R racing thermostats are engineered to offer rapid response and precise temperature control under extreme conditions, allowing optimal engine performance without compromise. They are manufactured to provide durability, withstand intense vibrations, and maintain reliability at every stage, ensuring that racers get consistent performance, lap after lap. Run your vehicle with maximum cooling efficiency; select the Spec-R racing thermostat best suited to your vehicle's needs. Features: * Black oxide coating for high temperature tolerance, corrosion resistance and life-long durability * Lower than OE opening temperature for cooler engine operation, resulting in more power * Specially formulated Spec R heat element mixture for faster response time * Proprietary gasket composition to withstand high-pressure/high performance cooling systems Note: Gaskets/seals may or may not be included.

5.0 out of 5 stars ( 1 )

$20.99

$88.99

MotoRad High Flow Thermostats

MotoRad offers the best coverage of thermostats in the world for almost any vehicle and engine on or off the road, and their high flow thermostats stand up to the most demanding automotive cooling systems. Thermostats play a critical role in maintaining the working temperature of the engine by positively affecting the efficiency of combustion and transfer of power, consumption of fuel, emission of pollutants, and life of the engine. Manufactured with OEM specifications and processes, these high flow models feature a copper case and wax compound that assures rapid response to temperature changes in the coolant. Keep your engine happy and order the MotoRad high flow thermostat best suited for your application. Product features include: * Larger opening for increased coolant flow * High-grade stainless steel and copper construction provides increased strength and durability * Meets or exceeds OEM standards with consistent and precise response to cooling system needs * 100 percent tested and calibrated * May also include (application dependent) offset design, air relief valve, and/or OEM-style seals

3.0 out of 5 stars ( 1 )

$3.99

$27.79

Modal Header