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CHRYSLER Mopar small block LA Thermostats, Housings & Fillers

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Results 1 - 22 of 22

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 ( 358 )

$8.99

$9.99

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.

4.7 out of 5 stars ( 200 )

$34.79

$38.79

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.

4.5 out of 5 stars ( 44 )

$22.95

$24.95

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.

3.97 out of 5 stars ( 234 )

$29.11


$21.83

$31.46

Billet Specialties Thermostat Housings

Billet Specialties thermostat housings not only look good, but they also get rid of leaky paper gaskets thanks to their O-ring seal design. You can choose the conventional vertical housing or the high-tech 360 degree swivel housing. They're available straight-up or with a 0, 15, or 45 degree angle and come complete with stainless hardware.

4.56 out of 5 stars ( 239 )

$63.99

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 )

$55.99

Summit Racing™ Chrome Water Necks

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.

3.95 out of 5 stars ( 130 )

$15.99

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 )

$9.99

$16.99

Dorman Thermostat Housings

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.

4.23 out of 5 stars ( 175 )

$12.99

$13.99

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.

3.0 out of 5 stars ( 2 )

$10.99

$11.99

CVR Thermostat Housings

Position your hose where you want it with CVR thermostat housings. These beautifully machined housings swivel 360 degrees for ease of installation. Crafted from T6-6061 billet aluminum, CVR thermostat housings are bright anodized in several finishes for a professional look under your hood. The flange is sealed at the manifold with an O-ring, eliminating the gasket, plus stainless steel hardware is included. You can count on high performance looks and operation with CVR thermostat housings.

4.16 out of 5 stars ( 67 )

$66.99

$118.99

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.

4.59 out of 5 stars ( 150 )

$28.99

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

$8.99

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.

Not Yet Reviewed

$23.99

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 )

$4.99

Meziere Water Necks

Meziere water necks are available in a wide range of styles, colors, finishes, and fitment options. These replacements offer factory-style performance and great looks under your hood. Matching outlets are sold separately.

4.58 out of 5 stars ( 19 )

$108.37

$190.01

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.

3.75 out of 5 stars ( 28 )

$18.99

Trans-Dapt Performance Chrome Water Necks

Chrome water necks from Trans-Dapt add a touch of class to your cooling system. They're available for a variety of applications, in both O-ring and gasket styles.

3.97 out of 5 stars ( 37 )

$29.99

Canton Racing Billet Aluminum Water Necks

Canton Racing billet aluminum water necks will not crack or break like conventional OEM water necks. They feature CNC-machined billet aluminum construction for ultimate durability. Canton Racing billet aluminum water necks are available with a standard 1 1/2 in. smooth hose connection or a -16 AN male threaded fitting connection. The water necks include stainless steel mounting hardware for the ultimate protection against corrosion.

4.24 out of 5 stars ( 38 )

$98.00

Milodon Chrome Water Necks

Milodon's water necks are manufactured from extra-thick castings and machined for an O-ring seal to give you leakproof performance without a gasket! Milodon chrome water necks are highly polished and chrome plated to look good every time you raise the hood.

2.5 out of 5 stars ( 2 )

$23.95

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 )

$9.99

$10.99

March Performance Thermostat Housings

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.

3.22 out of 5 stars ( 9 )

$60.99

$66.99

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