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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
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$42.99
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
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$49.95
Chevrolet Performance offers the parts that you need to keep your cooling system running right.
( 161 )
$21.85
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$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 )
$22.95
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$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
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$29.11
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 )
$22.99
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$53.99
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 )
$22.99
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
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
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$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
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$41.60
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 )
$20.99
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$38.99
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
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 )
$23.99
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$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
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$39.95
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
On Sale
Finish off your intake manifold with one of these Weiand swivel water necks. They'll provide you with good looks, excellent quality, and precise fit at a great price. The water necks are manufactured from high-quality aluminum and come in your choice of polished, chrome plated, or black powdercoat finishes. Weiand water necks are also available in four different outlet configurations—so you can get the right fitment for your cooling system. All water necks include an O-ring seal, plate, and hardware for easy installation.
( 42 )
$43.02
$21.51
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$43.02
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
The flange on Canton Racing's universal replacement filler necks accepts a standard radiator cap and fits Chevy intakes. They can also be used as replacement tops for Canton Racing water necks.
( 5 )
$40.00
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$45.00
Moroso billet aluminum filler necks allow you to install a variety of bolt-on style filler necks or block-off plates, offering cooling system flexibility for both race and street applications. The base locates the filler neck at the highest point, to bleed off air on cars with low-mount radiators. They include a machined port for installing a water temperature sending unit, and two ports to plumb return lines on popular aftermarket heads. And, to give you versatile mounting options--these filler necks can be flipped 180 degrees for either a left or right water hose outlet location.
( 9 )
$54.36
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.
( 19 )
$49.94
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$51.85
DeWitts pivoting water necks are built from diecast aluminum. The O-ring sealed water necks rise at an angle and can be rotated for best possible radiator hose access. They include hardware necessary for installation.
( 2 )
$44.99
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$46.99
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
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.
( 37 )
$22.99
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$48.99
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.
( 24 )
$26.95
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