Availability
Water Neck Gaskets and O-Rings
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Fel-Pro Water Neck Gaskets
Fel-Pro water neck gaskets are available for hundreds of applications, including most engine coolant outlets and thermostat housings. These inexpensive seals are offered in a variety of materials and configurations. Avoid unwanted leaks. Order the gaskets recommended for your vehicle and engine family.
( 274 )
$2.99
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$16.99
Summit Racing™ Thermostat Housing Gaskets
Made from high quality material Summit Racing™ thermostat housing gaskets provide a leak free seal to this critical engine component. Keep your cooling system operating properly with Summit Racing™ gaskets.
( 89 )
$15.99
Mr. Gasket Thermostat Housing and Water Outlet Gaskets
These Mr. Gasket thermostat housing and water outlet gaskets provide a great seal for your stock application. They are available to fit most applications and offer a quality seal you can count on.
( 50 )
$9.91
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$36.60
Fel-Pro PermaDryPlus Water Neck Gaskets
When replacing the water outlet on your vehicle, don't forget to install a new gasket. Fel-Pro PermaDryPlus water neck gaskets feature 1/8 in. thickness for a leak-free seal and are ideal for performance aftermarket-style water necks. They're available in a variety of materials, such as rubber and composite, and are designed for fitment on specific applications.
( 16 )
$2.99
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$30.99
Edelbrock Thermostat Gaskets
Edelbrock thermostat gaskets are made to Edelbrock's high standards of quality and performance. They're the same high-quality replacement gaskets that they supply with Edelbrock intakes, heads, carburetors, and other components.
( 5 )
$10.95
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$20.95
Fel-Pro Coolant Crossover Mounting Gaskets
Fel-Pro coolant crossover mounting gaskets are OEM-quality replacement seals for servicing the cooling system crossover lines on your vehicle. Constructed from premium materials, the gaskets and/or O-ring sets will deliver the leak-free performance you expect. Order the gaskets recommended for your application.
( 2 )
$14.99
Fel-Pro Thermostat Gaskets
Fel-Pro offers a wide selection of replacement thermostat housing gaskets for auto, truck, and van applications, as well as commercial and industrial use. Designed for 100 percent sealing solutions, the gaskets are available in materials such as rubber, paper, and composite. They meet or exceed OEM specs, configured for particular vehicles. When joining your intake manifold and thermostat housing, ensure leak-free performance with Fel-Pro gaskets.
( 7 )
$2.99
Billet Specialties Water Outlet O-Ring Gaskets
Billet Specialties water outlet O-ring gaskets will fit your Billet Specialties billet aluminum water necks. They are made of high-strength rubber to keep your intake manifold and cooling system leak-free.
( 19 )
$16.95
Summit Racing™ Water Neck O-Rings
These Summit Racing™ water neck o-rings are a great way to get your water neck sealing like new again.
( 18 )
$3.99
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$6.99
Mahle Original Thermostat Housing and Coolant Outlet Gaskets
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 )
$1.99
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$13.99
ACDelco Water Neck and Thermostat Housing Seals
ACDelco water neck and thermostat seals provide a leak-free install. Cut from premium materials, these replacement gaskets and O-rings are available in a variety of styles and shapes for fitment on specific applications. Choose the name you can trust—ACDelco—to supply OE-type parts for long-lasting fit and dependable performance.
( 3 )
$2.50
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$5.99
On Sale
Mr. Gasket Replacement Water Outlet O-Ring Gaskets
These Mr. Gasket replacement water outlet O-Ring gaskets are direct replacements for Mr. Gaskets O-ring style water necks. They are made from high quality rubber to help keep your coolant where it belongs and safe from any leaks.
( 8 )
$12.44
$7.01
MotoRad STAT LOK Thermostat Gaskets and Seals
MotoRad has you covered when it comes to your cooling system's sealing needs. MotoRad offers these STAT LOK products in gasket and seal form. The gaskets are designed to reduce installation time and feature an adhesive backing to hold your thermostat securely centered in the counterbore, leaving both of your hands free to align and bolt down the outlet. STAT LOK rubber seals are available for nearly all US and import cars and light trucks. So save time, prevent leaks, and get the job done right with MotoRad STAT LOK engine coolant thermostat gaskets and seals!
( 4 )
$1.99
Engine Works Thermostat Gaskets
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
$1.81
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$10.31
Allstar Performance Water Neck Gaskets and O-Rings
Allstar Performance water neck replacement gaskets and O-rings fit their swivel and fixed aluminum water necks. For a good seal against leaking, replace your worn or damaged gaskets and O-rings with the proper fit and function of Allstar water neck replacement gaskets and O-rings.
( 4 )
$2.99
CSR Water Outlet O-Ring Gaskets
CSR water outlet O-ring gaskets will fit your CSR billet aluminum water necks. They are made of a high-strength rubber to keep your intake manifold and cooling system leak-free.
( 5 )
$14.95
Moroso Water Neck Gaskets
Moroso water neck gaskets provide a great seal for your water neck or thermostat housing. The gaskets are manufactured from high-quality fiber material. Moroso water neck gaskets are available for small block and big block Chevrolet engines that utilize a water neck that does not require and O-ring. Order the Moroso water neck gasket suited to fit your application.
Not Yet Reviewed
$9.99
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$22.99
SCE Water Neck Gaskets
Proper sealing components are essential to maintain leak-free performance beneath the hood of your vehicle. SCE water neck gaskets are top-shelf replacements for joining the thermostat housing and intake manifold. These direct fit gaskets are assembled from a variety of materials, and are configured to fit specific auto applications. For racing and other high performance usage, trust the gasket expertise of Specialty Component Engineering.
( 5 )
$1.99
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$13.49
Billet Specialties Thermostat Housing O-Rings
Billet Specialties thermostat housing O-rings are replacement parts for their precision-machined thermostat housings that eliminate leaky paper gaskets thanks to their O-ring seal design. They fit both the conventional vertical thermostat housings and the high-tech 360 degree swivel models. Keep your Billet Specialties thermostat leak-free and working like it was designed with the correct replacement O-rings.
( 4 )
$16.95
Motorcraft Water Neck and Thermostat Housing Seals
Motorcraft offers water neck and thermostat housing replacement seals for a variety of applications. Cut from premium materials, these gaskets and O-rings are available in a variety of styles and shapes. They deliver OE fit, durability, and performance. When you swap out your thermostat or notice a leak, use genuine Motorcraft parts to ensure a tight seal.
( 2 )
$3.99
Cometic AFM Water Passage Gaskets
When you need high performance gaskets for your rebuild, look no further than Cometic. The AFM water passage gaskets from Cometic are crafted from premium materials to ensure superior performance to provide you with a leak-free seal—the first time. Cometic stays on the forefront of gasket design technology by utilizing in-house dynamometers and engine assembly rooms to bring its distributors, retailers and ultimately the end-user, the most reliable gaskets available today. Whether the situation calls for the latest in advanced technology like the MLS (Multi-Layer Steel) gasket, or a synthetic blend such as Aramid Fiber, you can rest assure Cometic finds a solution.
Not Yet Reviewed
$5.74
Crown Automotive Thermostat Gaskets
Crown Automotive thermostat gaskets create a solid seal between your engine and thermostat housing to prevent the risk of overheating. Whenever you're replacing your thermostat, always replace the gasket as well. These gaskets are available in a variety of configurations, as well as materials such as silicone, composite, paper, and rubber—for precise fitment on decades of vehicles. Ensure a tight, leak-proof seal for your cooling system with quality Crown gaskets.
( 2 )
$1.99
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$7.99
Cometic Water Neck Gaskets
Do you need to fix a leaky water neck seal? Chances are, the gasket is shot and should be replaced. Cometic water neck gaskets are made from durable materials to ensure a leak-free seal eliminating leaks and keeping your components in good working order.
( 4 )
$1.99
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$2.99
CVR Replacement Water Neck O-Rings
CVR replacement water neck o-rings are direct-replacement seals for your swivel or non-swivel water necks. Made from the same high-quality materials and precision finishing, they are guaranteed to fit and function like new. Restore your CVR water necks with CVR replacement water neck o-rings!
( 2 )
$2.99
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