Availability
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.
( 205 )
$34.99
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$38.99
Canton Racing billet weld-on fill necks are ideal for use wherever a heavy-duty, custom application filler neck is required. They feature 6061-T6 billet aluminum construction for durability in racing or street applications. These fill necks include 1/8 in. NPT to 3/8 in. barbed fittings for the plumbing of an expansion tank.
( 8 )
$28.00
Summit Racing™ billet weld-on fill necks are ideal for use wherever a heavy-duty, custom application filler neck is required. They feature 6061 T-6 aluminum construction for durability in racing or street applications. These fill necks include 1/8 in. NPT to 3/8 in. barbed fittings for the plumbing of an expansion tank.
Not Yet Reviewed
$11.99
Mishimoto aluminum coolant fill necks are CNC-machined and ready to be welded for use with your custom project! Offered in two sizes, these high performance fill necks include a screw-in nipple for overflow and are compatible with their high-pressure radiator caps. Customize your fabricated aluminum radiator with Mishimoto aluminum coolant fill necks.
( 13 )
$22.95
Redhorse Performance 4910 Series water neck assemblies offer solution upgrades for your coolant outlets. These thermostat housings, or "water necks" as they are also called, make an excellent option for replacing worn or damaged of the stock engine coolant water outlet—or for creating custom color combinations at a minimal cost. RHP's thermostat housing assemblies are precision-machined from aluminum and are available in several styles, with O-ring gaskets to eliminate leakage, and offered in choice of clear, or blue, black, or red anodized finishes. Order the model for your application.
( 4 )
$53.96
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$134.95
Fluidyne weld-on fill necks are ideal when you want a high performance piece for your radiator or surge tank. Available in a standard and mini size, they feature aluminum construction for durability in racing, street, or custom applications.
( 2 )
$23.00
On Sale
Fleece Performance thermostat housings have an auxiliary port with plug to allow you to customize your coolant routings. Two elbow options are available as direct replacements for specific model years of RAM trucks with 5.9L or 6.7L Cummins, and in specific Fleece coolant bypass kits.
Not Yet Reviewed
$89.99
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$129.99
$76.49
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$110.49
Allstar Performance aluminum water necks are designed to rotate 360 degrees, allowing various radiator hose routing options for custom engine cooling applications. The water necks hold the thermostat in place so it can open and close to regulate coolant flow. The thermostat creates an opening in the water neck that allows coolant to flow from the radiator to the engine. Allstar Performance water necks are made from die-cast billet aluminum for strength and durability and are available in a range of styles and finishes to meet your needs. Order the model for your application. Additional features and benefits: * Allows for more flexibility in routing radiator hoses, which can improve engine cooling and make it easier to connect hoses to the engine * A swivel water neck makes it easier to connect radiator hoses to the engine, especially when connecting left and right hoses * Thick mounting flange prevents warping and provides a positive engine coolant seal * Chrome-plated finish for lasting beauty, some swivel water necks are made with hard coat anodizing to improve wear and corrosion-resistance * Stainless steel mounting hardware and an O-ring for sealing the base of the water neck to engine are included
Not Yet Reviewed
$22.99
Peterson Fluid Systems swivel water necks offer easy, exact hose alignment by moving 360 degrees. They feature internal Viton® seals, O-ring sealed flanges, and removable fittings for replacement or customization. Constructed from lightweight aluminum and hard coat anodized for improved wear resistance, Peterson Fluid Systems swivel water necks include high-grade steel snap rings for secure fitting retention and secondary locking pins.
Not Yet Reviewed
$196.99
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$209.99
Proform remote overflow billet aluminum radiator fill necks are designed to facilitate efficient coolant flow, help maintain optimal engine temperature and provides a secure and long-lasting connection point for coolant management. The radiator neck is specifically designed to be recessed into the tank, allowing the overflow tube to travel inside the tank and exit through a remotely mounted barb. This U.S.-patented design offers a slick solution for concealing the unsightly radiator overflow tube, giving your setup a sleek and clean appearance. The kit includes a billet aluminum filler neck, an unbent 18 in. tube, and a billet barb. For those building custom systems, a weld-on billet aluminum filler neck can be a valuable addition, allowing for a more secure and leak-free installation.
( 1 )
$86.99
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
$3.99
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$5.99
URO Parts manufactures their water distribution pipes to OEM specs and configurations for easy installation. The quality materials they use resist engine heat and the harsh, pressurized cooling system environment. Most of these replacements 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 new water distribution pipes. Models are available for a variety of Audi, Volkswagen, and BMW vehicles from 1999 and up.
Not Yet Reviewed
$3.99
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$14.99
Fathouse Performance coolant distribution blocks are perfect for your custom twin turbo project. They're fabricated from solid T6061 billet aluminum—and feature four options for inlet/outlet supply and eight outlets that can be run to turbos or wastegates to keep them cool. Two mounting bosses are machined into the back side.
Not Yet Reviewed
$99.99
Keyser Manufacturing weld-on radiator filler necks are high-quality necks made of billet aluminum construction for superior durability and performance. These are perfect for when you're working on a custom radiator project or just need a high-end, weld-on radiator filler neck replacement.
( 2 )
$19.99
Perma-Cool radiator filler necks are great for repairing aluminum radiators, fabricating surge tanks or remote fill tanks. These radiator filler necks have a heavy-wall aluminum construction for durability in racing, street, or custom applications, and are designed to accept a standard size radiator cap (cap not included). Whatever your performance parts needs, choose Perma-Cool.
Not Yet Reviewed
$42.46
Eddie Marine thermostat kits offer improved appearance and performance. Constructed of stainless steel, they provide options to enhance and fit your plumbing needs perfectly. Each kit comes complete with a 140 degree thermostat, gasket, bolts, and braided stainless steel water bypass lines. Outlet options include 1 in. slip hose fittings, AN fittings, or 3/4 in. bungs. Strong housings, flawless welding, and beautiful polishing—Eddie Marine thermostat kits deliver a functional, finished customized look. Order the model that best suits your application needs.
Not Yet Reviewed
$239.95
Get new thermostat housing or coolant outlet gaskets from Mahle Original for your custom, repair, or restoration project. They're made of high-quality materials to ensure a leak-free seal and available for a variety of applications to meet your needs. Don't take chances with a second-rate component--order the Mahle Original thermostat housing and coolant outlet gaskets best suited for your ride!
( 4 )
$2.99
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
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.
( 360 )
$8.99
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$9.99
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 )
$9.99
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$16.99
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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$41.79
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 )
$4.99
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$34.79
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
( 1 )
$4.99
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$12.99
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.
( 1 )
$23.99
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