Thermostat Housings, Filler Necks, Restrictors & Water Outlet Housings
Adding or replacing a water outlet housing is a great way to create a leak-free connection for your thermostat, radiator hose, and intake manifold. JEGS offers a wide selection of water outlet housings for Ford, GM (Chevy), Mopar, and custom applications from top manufacturers such as Meziere, Moroso, JEGS, and more. Each water outlet housing is made from high quality components and assembly so you can get the performance you want at a price you can afford with the assurance you need.
ADD A VEHICLE TO GUARANTEE PARTS FIT
See products that fit

JEGS
Small Block/Big Block Chevy Water Bypass Plate Only for Custom Applications
Part Number: 555-51107

JEGS
Small Block/Big Block Chevy Water Bypass Plate Only for Custom Applications
Part Number: 555-51107
![Aluminum Thermostat Housing for Small Block & Big Block Chevy, Straight Design [Satin Black]](https://www.jegs.com/images/mini_100/500/555/555-51114.jpg)
JEGS
Aluminum Thermostat Housing for Small Block & Big Block Chevy, Straight Design [Satin Black]
Part Number: 555-51114
![Aluminum Thermostat Housing for Small Block & Big Block Chevy, Straight Design [Satin Black]](https://www.jegs.com/images/mini_200/500/555/555-51114.jpg)
JEGS
Aluminum Thermostat Housing for Small Block & Big Block Chevy, Straight Design [Satin Black]
Part Number: 555-51114
![Aluminum Thermostat Housing for Small Block & Big Block Chevy, 75-degree Swivel Design [Satin Black]](https://www.jegs.com/images/mini_100/500/555/555-51125.jpg)
JEGS
Aluminum Thermostat Housing for Small Block & Big Block Chevy, 75-degree Swivel Design [Satin Black]
Part Number: 555-51125
![Aluminum Thermostat Housing for Small Block & Big Block Chevy, 75-degree Swivel Design [Satin Black]](https://www.jegs.com/images/mini_200/500/555/555-51125.jpg)
JEGS
Aluminum Thermostat Housing for Small Block & Big Block Chevy, 75-degree Swivel Design [Satin Black]
Part Number: 555-51125
![O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Black Steel]](https://www.jegs.com/images/mini_100/500/555/555-511316.jpg)
JEGS
O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Black Steel]
Part Number: 555-511316
![O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Black Steel]](https://www.jegs.com/images/mini_200/500/555/555-511316.jpg)
JEGS
O-Ring Style Thermostat Housing for 1966-1975 Chevy V8 [Black Steel]
Part Number: 555-511316

JEGS
Thermostat Housing Bolts for 1966-1972 Small Block & Big Block Chevrolet Engines
Part Number: 555-90805

JEGS
Thermostat Housing Bolts for 1966-1972 Small Block & Big Block Chevrolet Engines
Part Number: 555-90805

BLUEPRINT ENGINES
BPP10108470 Aluminum Thermostat Housing for GM Small Block and Big Block Chevy
Part Number: 138-BPP10108470

BLUEPRINT ENGINES
BPP10108470 Aluminum Thermostat Housing for GM Small Block and Big Block Chevy
Part Number: 138-BPP10108470
![53006192 Thermostat Housing for 1991-2006 Jeep Models [2.5L, 4.0L Engines]](https://www.jegs.com/images/mini_100/0/077/077-53006192.jpg)
CROWN AUTOMOTIVE
53006192 Thermostat Housing for 1991-2006 Jeep Models [2.5L, 4.0L Engines]
Part Number: 077-53006192
![53006192 Thermostat Housing for 1991-2006 Jeep Models [2.5L, 4.0L Engines]](https://www.jegs.com/images/mini_200/0/077/077-53006192.jpg)
CROWN AUTOMOTIVE
53006192 Thermostat Housing for 1991-2006 Jeep Models [2.5L, 4.0L Engines]
Part Number: 077-53006192
![5066806AA Thermostat Housing Gasket for 2001-2007 Chrysler, Jeep Models [2.5L, 2.8L Engines]](https://www.jegs.com/images/mini_100/0/077/077-5066806aa.jpg)
CROWN AUTOMOTIVE
5066806AA Thermostat Housing Gasket for 2001-2007 Chrysler, Jeep Models [2.5L, 2.8L Engines]
Part Number: 077-5066806AA
![5066806AA Thermostat Housing Gasket for 2001-2007 Chrysler, Jeep Models [2.5L, 2.8L Engines]](https://www.jegs.com/images/mini_200/0/077/077-5066806aa.jpg)
CROWN AUTOMOTIVE
5066806AA Thermostat Housing Gasket for 2001-2007 Chrysler, Jeep Models [2.5L, 2.8L Engines]
Part Number: 077-5066806AA

CROWN AUTOMOTIVE
Thermostat & Housing 2002-04 Jeep Liberty KJ 2.5L Gas and 2.8L Diesel
Part Number: 077-5072705AB

CROWN AUTOMOTIVE
Thermostat & Housing 2002-04 Jeep Liberty KJ 2.5L Gas and 2.8L Diesel
Part Number: 077-5072705AB

COMETIC GASKETS
C5663-018 Ford 302/351W Windsor V8 Water Pump Cover Plate Gasket
Part Number: 245-C5663-018

COMETIC GASKETS
C5663-018 Ford 302/351W Windsor V8 Water Pump Cover Plate Gasket
Part Number: 245-C5663-018
What Is a Water Outlet Housing?
A water outlet housing, also known as a thermostat housing, is a crucial component of your vehicle's cooling system. Its primary function is to house the thermostat and provide a connection point for the upper radiator hose. Here's what it does:
- 1. Thermostat Enclosure: The thermostat housing encases the thermostat, which regulates the flow of coolant through the engine. It helps maintain the optimal operating temperature by opening and closing as needed.
- 2. Upper Radiator Hose Connection: The water outlet housing is where the upper radiator hose attaches, allowing the flow of coolant between the radiator and the engine.
- 3. Coolant Passage: Inside the housing, there are passages that direct the flow of coolant to and from the engine, ensuring efficient cooling.
Is a Water Outlet a Thermostat?
While the water outlet housing and thermostat are closely related, they are not the same component. The thermostat is a small, heat-sensitive valve located within the housing. It regulates the flow of coolant based on the engine's temperature. The water outlet housing, on the other hand, serves as the protective casing for the thermostat and provides the necessary connections for coolant circulation.
How Much Does a Water Outlet Housing Cost?
The cost of a water outlet housing can vary depending on factors such as the make and model of your vehicle, the brand of the housing, and whether it comes with additional components. In general, you can expect a water outlet housing to range in price from $20 to $100 or more.
It's essential to choose a quality water outlet housing that fits your vehicle's specifications to ensure proper cooling system function.



























