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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.
( 44 )
$22.95
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$24.95
Summit Racing™ aluminum water necks swivel 360 degrees to give you various radiator hose routing options. They come with bolts and a highly polished or anodized aluminum finish for a sharp appearance.
( 207 )
$31.99
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$42.99
On Sale
Mr. Gasket offers replacement water necks in a variety of styles, materials, finishes, sizes, and angles. Water necks help to hold the vehicle's thermostat in place as it opens and closes—to regulate the flow of coolant through your engine. The opening in the water neck created by the thermostat allows coolant to flow from the radiator back to the engine. Order the model recommended for your vehicle.
( 113 )
$41.68
$27.09
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$49.95
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.
( 358 )
$23.99
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$49.99
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 )
$36.74
ACDelco water necks and thermostat housings fit your vehicle just like the originals. When you need to restore the efficiency of your water inlet/thermostat housing, these quality replacements fix your issues with leak-free performance and peace of mind. The units are available in a variety of configurations for applications from the 1960s and up. You can be assured that not only the fit, but also the function will be just as expected. Replace your water necks with one of the same from ACDelco.
( 30 )
$40.99
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$46.99
Moroso thermostat spacers make fixing fitment issues a snap. The billet aluminum spacers raise the thermostat and add ports for water lines to the cylinder heads. The machined O-ring groove on the intake side ensures an excellent seal making installation easy and headache-free.
( 7 )
$44.99
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$49.99
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.
( 34 )
$21.99
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$45.99
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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$38.90
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 )
$22.46
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$44.21
Holley thermostat housing assemblies are replacement components for mid-mount accessory drive systems. These thermostat and housing kits are genuine Holley parts providing the correct fit to restore optimum operation and engine cooling.
( 2 )
$28.68
Summit Racing™ water necks are made from cast steel with durable chrome plating, providing your engine bay with good looks and a long life. They include a paper gasket and bolts for a complete leak-free installation.
( 130 )
$24.99
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$25.99
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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$51.87
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 )
$26.99
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$55.99
DeWitts pivoting water necks are built from diecast aluminum. The O-ring sealed water necks rise at an angle and can be rotated for best possible radiator hose access. They include hardware necessary for installation.
( 2 )
$44.99
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.
Not Yet Reviewed
$20.99
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$37.99
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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$43.99
March Performance thermostat housings are available in several styles and finishes covering a wide range of vehicle engine applications. Each housing is CNC-machined from 6061 T-6 aluminum and available polished, black anodized, or clearcoated. Most styles include mounting hardware and an O-ring for a clean seal. The 1.5 in. radiator hose neck swivels inside of base for perfect routing. March Performance thermostat housings are compatible with OEM and numerous aftermarket thermostats. Choose the one designed for your application.
( 9 )
$49.99
Edelbrock water necks are a great way to finish off your engine. They feature an O-ring design base for an improved seal, which also allows for removal without requiring a new gasket. The necks fit any 1 1/2 in. diameter outlet hose, include mounting hardware, and are available in a variety of styles, materials, and finishes.
( 104 )
$30.95
Replace your stock thermostat housing with new parts from Dorman. These quality replacement components offer solution upgrades for your coolant system, and they are available for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostat housings from Dorman.
( 175 )
$23.99
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$49.99
PRW water necks are available with a rubber O-ring or a standard paper gasket for a leak-free seal. They're made from cast or billet aluminum, straight or angled, with either a natural or polished finish. Order the model recommended for your engine application.
Not Yet Reviewed
$24.10
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$54.99
Maintain an even and correct engine temperature with Crown Automotive thermostats. A malfunctioning thermostat will result in numerous engine problems that can cause severe damage to your vehicle. Crown Automotive provides you with a simple solution: a quick replacement of your old thermostat. They're constructed out of top-quality materials that meet OEM standards for a proper factory fit.
( 5 )
$22.99
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 )
$34.95
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$41.95
Four Seasons water necks are offered in a wide selection for most popular import and domestic vehicles. These water necks include the necessary gaskets or O-rings where applicable.
( 249 )
$20.99
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$52.99
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