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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.
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$10.99
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$19.99
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.
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$15.99
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$19.99
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 )
$16.99
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
Some essential parts are just prone to wearing out due to what they're exposed to. Howe radiator filler necks help keep you from blowing a hole in your budget with an expensive radiator replacement. These universal billet aluminum necks are available in weld-on and weld-in versions to fit your specific application. Save your wallet and your radiator with a Howe radiator filler neck. Order the size designed to fit your specific model.
( 2 )
$13.99
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 )
$14.95
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.
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$14.99
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$19.99
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.
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$17.99
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$19.99
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.
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$19.95
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.
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$10.99
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$19.99
BluePrint Engines offers water necks and thermostat housings for a variety of Chevrolet V8 small block and big block engine applications from 1955 and up. These engine coolant housings are available in numerous configurations, manufactured from factory materials and specifications to ensure proper fitment and long-lasting performance. Order the model recommended for your vehicle.
( 2 )
$18.95
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
Allstar Performance designed these cast aluminum 45 degree water necks to fit small block Ford applications. Finished with a lustrous chrome plating, Allstar Performance chrome plated water necks include an O-ring for sealing the base flange and two hex head bolts.
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$17.99
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 one of these Moroso water outlet restrictor kits. They include 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!
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$15.30
Top Street Performance Pro Flow Series electric fan thermostats are designed to give you an accurate temperature reading for your cooling fan set-up. Order the replacement model needed for your fan switch application.
( 1 )
$12.36
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.
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$10.99
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$19.99
Moroso water neck block-off plates can provide an ideal base to drill or weld your own fitting in place. They are made of aluminum and have two pre-drilled mounting holes to ensure a perfect fit to the intake manifold. The plates include a new gasket and will fit Chevrolet V8 engines.
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$15.99
These Proform aluminum water necks are a great accent for your engine. They're available in several styles with either neoprene O-ring gaskets or regular gaskets to eliminate leakage.
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$16.99
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$17.99
Summit Bucks
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.
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$13.50
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$18.99
Summit Bucks
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.
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$10.99
Summit Bucks
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.
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$17.99
Allstar Performance Chevy aluminum water necks are designed to fit most Chevy V8 engines, will accept most standard thermostats, and swivel (up to a full 360 degrees, depending on the model) to simplify connection of left- or right-hand radiator hoses to the engine. Their black anodized finish helps protect against corrosion, along with stainless steel hardware and an O-ring for sealing the base to the engine. Get the performance you need and the looks you want with an assist from the Allstar Performance Chevy aluminum water neck best suited for your application.
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$17.99
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
MotoRad offers integrated housing thermostats for a variety 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 recommended for your vehicle.
Not Yet Reviewed
$17.99
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