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Thermostats, Housings & Fillers

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Results 1 - 24 of 26

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.

4.27 out of 5 stars ( 356 )

$5.99

$10.99

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

5.0 out of 5 stars ( 3 )

$8.99

$16.99

Summit Racing™ Water Outlet Restrictors

Limiting the amount of coolant flow leaving the engine lets you control the amount of heat absorbed by the coolant itself. You can adjust the flow with a Summit Racing™ water outlet restrictor kit. They include three round aluminum plates with 5/8 in., 3/4 in., and 1 in. I.D. holes. Simply mount the appropriate plate under the water outlet on the intake manifold. An easy and economical temperature control solution!

5.0 out of 5 stars ( 3 )

$7.99

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 )

$4.99

$9.99

ARP Thermostat Housing Fasteners

ARP thermostat housing fasteners are designed to properly secure your water neck. They are available in black oxide chromoly steel or polished stainless steel. The fasteners come in your choice of hex head or 12-point and include washers to complete the installation.

4.4 out of 5 stars ( 58 )

$4.99

$9.99

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

$7.99

Four Seasons Water Necks

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.

3.85 out of 5 stars ( 249 )

$8.99

$10.99

Spectre Performance Water Necks

Spectre Performance water necks are available for a variety of applications. Many are designed around OEM specifications, are offered in different materials and finishes, neck angles, and swivel and non-swivel types. Spectre also offers water necks with bypass hose connections. Most will include bolts and O-ring where applicable.

4.18 out of 5 stars ( 39 )

$9.99

Summit Bucks

ACDelco GM Genuine Parts Water Necks and Thermostat Housings

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.

4.6 out of 5 stars ( 30 )

$8.99

Allstar Performance Water Outlet Restrictors

Control the flow with Allstar Performance water outlet restrictors. The flow of water to your radiator aids in cooling, and these value-packed kits contain three differently sized aluminum restrictors to limit the flow and meet your application needs. The rings are compatible with more than a hundred make/model vehicles. Get just the right stream of water with Allstar Performance water outlet restrictors.

Not Yet Reviewed

$7.99

Engine Works Thermostat Gaskets

Engine Works offers thermostat housing gaskets for a variety of applications, including many Chevrolet Gen I engines from the 1950s and up. Ideal for oil pan and water pump sealing, the versatile .030 in. thick gaskets are made with fiber material, bound by high-quality NBR rubber. They're manufactured in accordance with factory specifications to ensure proper fitment and long-lasting performance. Sold in a set of 10.

Not Yet Reviewed

$10.31

Racing Automotive Group Water Outlet Restrictors

Racing Automotive Group water outlet restrictor kits allow you to limit the coolant flow leaving the engine in order to control the amount of heat absorbed by the coolant itself. Limit the flow with these three round aluminum plates with 5/8 in., 3/4 in., and 1 in. I.D. holes. Just mount the appropriate plate under the water outlet on the intake manifold for a simple temperature control solution. Restrictor kits are available for a wide range of year/make and engine applications from the 1950s and up.

Not Yet Reviewed

$9.99

Crown Automotive Thermostats

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.

4.8 out of 5 stars ( 5 )

$9.99

$10.99

URO Parts Thermostat Housings and Coolant Flanges

URO Parts thermostat housings and coolant flanges are an important part of their line of cooling system parts that also includes thermostat housing caps, hose connectors, and seats. They offer aluminum thermostat housings that are an upgrade from weak plastic OE components that frequently warp, crack, and leak due to high underhood temperatures. URO Parts thermostat housings and coolant flanges meet or exceed OEM standards, including those of prestigious European auto makers.

1.0 out of 5 stars ( 1 )

$1.99

$10.99

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.

3.9 out of 5 stars ( 10 )

$9.99

MotoRad HD Thermostats

MotoRad offers HD thermostats for a variety of medium/heavy truck applications from the 1980s 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 recommended for your vehicle.

Not Yet Reviewed

$9.99

Redhorse Performance 4910 Series Thermostat Housing Hardware Rebuild Kits

Redhorse Performance 4910 Series thermostat housing hardware rebuild kits are available for a variety of water neck models. Each kit contains a replacement O-ring and hardware.

Not Yet Reviewed

$10.49

OMIX-ADA Thermostat Retainers

OMIX-ADA thermostat retainers are designed to hold the thermostat in place inside the housing. They are built from steel and have a zinc finish applied for durability.

Not Yet Reviewed

$5.99

URO Parts Cooling Hose Connectors

URO Parts manufactures their cooling hose connectors to OEM dimensions and shapes for easy installation. The quality materials they use resist engine heat and the harsh, pressurized cooling system environment. Most of these items come from the same facilities as many well-known and much costlier European brands. That translates into reliability and savings for URO customers shopping for cooling hose connectors. Choose the style recommended for your vehicle.

Not Yet Reviewed

$2.99

$4.99

Rein Automotive OE Quality Thermostat Inserts

Rein Automotive OE-quality thermostat inserts install, fit, and perform the way the original manufacturer intended. This ensures a smooth and easy installation, just as one would expect to find with OE quality. These inserts are designed to meet or exceed the OE materials used and are produced with high-quality metals and components to ensure proper durability and service life. The thermostats are temperature calibrated to have a consistent and precise response suiting cooling system needs. Rein's quality thermostat inserts aim to provide the professional repair technician and vehicle owner peace of mind and trust that is expected from an OE-quality component.

Not Yet Reviewed

$10.99

OMIX-ADA Thermostats

If you're experiencing low heater output and poor fuel economy in your Jeep, check the thermostat's condition. If it's faulty, then replace it with a high-quality, direct fit OMIX-ADA thermostats and rev up the performance factor of your off-road machine.

3.67 out of 5 stars ( 6 )

$8.99

Crown Automotive Thermostat Housings

Replace your leaking thermostat housings with ones from Crown Automotive. They offer a quality selection to fit several applications. Keep your coolant where it belongs and avoid overheating issues with one of Crown's thermostat housings.

5.0 out of 5 stars ( 3 )

$7.99

$10.99

Dorman Thermostats

Replace your stock thermostat with new parts from Dorman. These quality components offer solution upgrades for your coolant outlets. Dorman offers thermostats for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostats from Dorman.

3.07 out of 5 stars ( 28 )

$7.99

Summit Bucks

Clearance

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 )

$20.99


$8.50

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