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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 49 Items.
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.
( 361 )
$5.99
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$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.
( 207 )
$38.99
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$42.99
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.
( 156 )
$28.99
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$47.79
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.
( 47 )
$22.95
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$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.
( 236 )
$29.11
$22.38
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$32.25
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.
( 25 )
$37.66
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.
( 73 )
$28.95
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$105.42
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.
( 12 )
$6.50
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$49.99
Lingenfelter Performance Engineering Thermostats
Lingenfelter Performance Engineering offers premium-quality thermostats for several applications. They're all direct drop-ins with no modifications needed and each includes the rubber seal. Reduce coolant temperature, produce more horsepower, and improve performance with Lingenfelter Performance Engineering thermostats.
( 142 )
$24.65
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$37.95
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!
( 11 )
$44.56
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.
( 2 )
$16.99
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.
( 37 )
$13.50
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$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 )
$8.99
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$14.99
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.
( 12 )
$9.99
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$19.99
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.
( 2 )
$10.99
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$34.99
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.
( 29 )
$17.99
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$19.99
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.
( 10 )
$49.88
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$55.86
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?
( 10 )
$55.99
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.
( 9 )
$19.50
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$62.99
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.
( 137 )
$18.94
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$59.24
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.
( 22 )
$10.99
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.
( 1 )
$20.99
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$88.99
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.
( 4 )
$2.50
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$25.79
Motorcraft Thermostats
Motorcraft thermostats are constructed for strength and rigidity, with a mounting flange designed to properly fit and seat the thermostat in the housing. The streamlined Venturi nozzle gives you maximum coolant flow, and the stainless steel spring offers precise operating compression.
( 5 )
$20.99
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$79.99
