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2000 Thermostats, Housings & Fillers

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Results 1 - 24 of 116

Summit Racing™ Aluminum Water Necks

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.

4.2 out of 5 stars ( 208 )

$25.99

$42.99

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.

4.51 out of 5 stars ( 45 )

$22.95

$24.95

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.

4.57 out of 5 stars ( 241 )

$62.95

$146.95

Chevrolet Performance Thermostat Housings

Chevrolet Performance offers the parts that you need to keep your cooling system running right.

4.81 out of 5 stars ( 161 )

$21.85

$39.82

On Sale

Mr. Gasket Water Necks

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.

3.7 out of 5 stars ( 114 )

$41.68


$27.09

$74.19

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.

4.28 out of 5 stars ( 360 )

$5.99

$49.99

Mr. Gasket LS Thermostats

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.

4.12 out of 5 stars ( 25 )

$36.74

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 ( 153 )

$28.99

Edelbrock Water Necks

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.

4.15 out of 5 stars ( 104 )

$19.95

$49.95

On Sale

Mr. Gasket Chrome Plated O-Ring Water Necks

Mr. Gasket chrome plated water necks feature an O-ring style seal to prevent water leaks. Precision die-cast for a great fit, they're first polished to a high luster, then beautifully chrome plated for lasting beauty. These water necks come complete with an O-ring and mounting bolts.

4.23 out of 5 stars ( 64 )

$29.11


$21.83

$22.94

Scott Drake Water Necks

Clean up your cooling system area with a Scott Drake water neck. These water necks are manufactured using quality materials, ensuring a proper fit.Paint it Ford engine blue to match original, leave natural or polish it to compliment any engine compartment.

4.15 out of 5 stars ( 86 )

$22.72

$30.89

Moroso Manifold Filler Necks

Moroso offers manifold filler necks in a variety of styles, materials, and finishes—for applications from 1955 and up. These replacements locate the filler at the highest point to bleed off air on cars with low-mount radiators. The filler necks can be located on either the left or right side of the vehicle. They include 1/2 in. NPT fittings for the installation of a water temperature sending unit, and two 1/4 in. NPT fittings for return lines on popular aftermarket cylinder heads.

4.45 out of 5 stars ( 20 )

$47.99

$160.99

Allstar Performance Chevy Aluminum Water Necks

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.

4.63 out of 5 stars ( 48 )

$17.99

$99.99

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 )

$22.99

$40.99

Scott Drake Swivel Water Necks

Scott Drake swivel water necks are machined from billet aluminum. Their 2-piece design allows the neck to fully rotate to perfectly fit your particular application. These exclusive Scott Drake water necks were designed for classic car applications that require a 45 degree angle. They include mounting hardware and rubber O-ring seals to ensure a leak-proof installation.

3.67 out of 5 stars ( 9 )

$99.95

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

4.25 out of 5 stars ( 4 )

$8.99

$16.99

Moroso Thermostat Spacers

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.

4.86 out of 5 stars ( 7 )

$48.99

$49.99

Summit Bucks

ACDelco Engine Coolant Thermostat Housings

ACDelco engine coolant thermostat housings are GM-recommended replacements for your vehicle's worn or damaged original equipment. The inline housing holds the thermostat and serves as a connection point for the radiator hose and inlet or outlet, and may also include ports for sensors or switches. These high-quality replacements are manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life that you expect from General Motors.

4.5 out of 5 stars ( 4 )

$41.99

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.

4.24 out of 5 stars ( 176 )

$12.99

$23.99

BluePrint Engines Thermostats

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.

5.0 out of 5 stars ( 2 )

$14.95

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.

3.36 out of 5 stars ( 11 )

$49.99

$134.99

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.

3.67 out of 5 stars ( 12 )

$9.99

$19.99

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 )

$62.99

$118.99

Summit Racing™ Water Neck Spacers

Summit Racing™ water neck spacers are designed to move the thermostat and housing up 1 in. higher to help clear high intake manifolds. The added ports allow the addition of extra sensors and water temperature sending units. These aluminum spacers are fully machined to ensure a great fit and are available in polished or black anodized finishes.

3.17 out of 5 stars ( 6 )

$31.99

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