Cooling & Heating
Availability
When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need...
When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need to offset that extra heat, including high performance radiators and oil coolers, electric fans, high-flow electric water pumps, and thermostats. We also have radiators and coolers for everything from stock replacements to street rods and other custom applications, plus flex fans, wiring kits, and radiator caps. If your heater or air conditioner has seen better days (or if your vehicle never had one!), we can help you out with heater cores, air conditioners,...
When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need to offset that extra heat, including high performance radiators and oil coolers, electric fans, high-flow electric water pumps, and thermostats. We also have radiators and coolers for everything from stock replacements to street rods and other custom applications, plus flex fans, wiring kits, and radiator caps. If your heater or air conditioner has seen better days (or if your vehicle never had one!), we can help you out with heater cores, air conditioners, and HVAC ducts, too.
Showing In Stock Items. Show All 249 Items.
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.
( 208 )
$25.99
—
$42.99
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.
( 240 )
$62.95
—
$146.95
On Sale
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.
( 113 )
$41.68
$22.57
—
$74.19
Chevrolet Performance offers the parts that you need to keep your cooling system running right.
( 161 )
$21.85
—
$39.82
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.
( 104 )
$19.95
—
$49.95
On Sale
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.
( 64 )
$29.11
$21.83
—
$29.11
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.
( 130 )
$15.99
—
$38.99
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.
( 30 )
$9.99
—
$77.99
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.
( 48 )
$17.99
—
$99.99
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
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.
( 20 )
$46.99
—
$149.99
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
Vibrant Performance radiator filler necks feature 6061 aluminum construction. They weld-on, include hose barb fitting, and are offered in two sizes. Mate them with their matching caps (sold separately) for the proper sealing.
Not Yet Reviewed
$30.79
—
$33.50
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.
( 86 )
$22.72
—
$91.59
Mount one of these CSR water necks on your manifold, and you'll have an easy way to top-off your cooling system and still have a provision for overflow. Precision-machined from lightweight 6061-T6 billet aluminum, they'll bolt right onto your manifold or an existing 2 in. spacer. Each of these necks comes with stainless steel hardware; a cap is not included.
( 6 )
$46.95
—
$168.95
Made from investment cast aluminum for a smooth look, these Summit Racing™ water necks include two 1/4 in. NPT outlets, one 1/2 in. NPT outlet, and a 1/8 in. NPT overflow. They use a standard radiator cap, accept 1 1/2 in. radiator hose, and include gaskets and mounting hardware. They come in your choice of either a natural or black powdercoated finish.
( 21 )
$103.99
—
$113.99
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
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
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.
( 9 )
$99.95
These Summit Racing™ 360 degree swivel water necks are constructed from high-quality T6-6061 billet aluminum and feature a beautiful, bright-anodized, machined finish. The flange is sealed at the manifold with an O-ring, eliminating the gasket, and stainless steel hardware is included.
( 28 )
$88.99
—
$94.99
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.
( 39 )
$9.99
—
$34.99
JOES Racing Products water neck outlets are compact and lightweight. These aluminum units have a no. 16 or no. 20 fitting for your radiator hose, and the base has an O-ring for sealing to your intake manifold. JOES also offers a ported version designed with two 3/8 in. NPT ports for additional water lines.
Not Yet Reviewed
$37.95
—
$69.95
These Moroso water neck bleeder kits allow you to remove air pockets from your cooling system. They include a filler neck housing with a 90 degree outlet for the upper radiator hose, an aluminum bleeder plate with a petcock valve, two mounting gaskets, and mounting hardware. The Moroso water neck bleeder kits can also be used with Moroso's expansion tanks for maximum cooling performance.
( 4 )
$47.99
—
$143.99
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.
( 38 )
$75.00
—
$139.00
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
