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Thermostat Housing and Water Necks

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Thermostat Housing and Water Necks

Thermostat housing, water neck, water outlet, coolant housing…they’re all names for the same thing. This component is where the upper radiator hose plugs...

Thermostat housing, water neck, water outlet, coolant housing…they’re all names for the same thing. This component is where the upper radiator hose plugs in, and it also contains your mechanical thermostat. Grab a stock replacement to replace a leaky or broken one, dress up your engine with a chrome or anodized finish, or use a 360° swiveling model for versatility on your custom cooling system.

Top Brands

Our powerful search tools make it easy to find the right water neck from manufacturers like Meziere, Dorman, Mr. Gasket, Four Seasons, Trans-Dapt, ACDelco, and so many more.

Thermostat housing, water neck, water outlet, coolant housing…they’re all names for the same thing. This component is where the upper radiator hose plugs in, and it also contains your mechanical thermostat. Grab a stock replacement to replace a leaky or broken one, dress up your engine with a chrome or anodized finish, or use a 360° swiveling model for versatility on your custom cooling system.

Top Brands

Our powerful search tools make it easy to find the right water neck from manufacturers like Meziere, Dorman, Mr. Gasket, Four Seasons, Trans-Dapt, ACDelco, and so many more.

Showing In Stock Items. Show All 676 Items.

Individual Parts

Part Groups

Results 1 - 25 of 60

Dorman Thermostat Housings 902-1001

Dorman Thermostat Housings 902-1001

Dorman Thermostat Housings 902-1001

Water Neck and Thermostat Housing, 60 Degree, Steel, Natural, Ford, Mercury, Each

Part Number: RNB-902-1001

3.89 out of 5 stars ( 38 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2009

Dorman Thermostat Housings 902-2009

Dorman Thermostat Housings 902-2009

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-2009

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-1003

Dorman Thermostat Housings 902-1003

Dorman Thermostat Housings 902-1003

Water Neck and Thermostat Housing, 90 Degree, Steel, Natural, Ford, Mercury, Each

Part Number: RNB-902-1003

3.55 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-3012

Dorman Thermostat Housings 902-3012

Dorman Thermostat Housings 902-3012

Water Neck and Thermostat Housing, Stock, Steel, Natural, Chrysler, Dodge, Plymouth, Each

Part Number: RNB-902-3012

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2014

Dorman Thermostat Housings 902-2014

Dorman Thermostat Housings 902-2014

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-2014

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2018

Dorman Thermostat Housings 902-2018

Dorman Thermostat Housings 902-2018

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-2018

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-1024

Dorman Thermostat Housings 902-1024

Dorman Thermostat Housings 902-1024

Water Neck and Thermostat Housing, Ford, Mercury, Each

Part Number: RNB-902-1024

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-694

Dorman Thermostat Housings 902-694

Dorman Thermostat Housings 902-694

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-694

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2015

Dorman Thermostat Housings 902-2015

Dorman Thermostat Housings 902-2015

Water Neck and Thermostat Housing, Stock, Steel, Natural, Buick, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-902-2015

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2046

Dorman Thermostat Housings 902-2046

Dorman Thermostat Housings 902-2046

Water Neck and Thermostat Housing, Stock, Steel, Natural, Chevrolet, GMC, Each

Part Number: RNB-902-2046

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-1033

Dorman Thermostat Housings 902-1033

Dorman Thermostat Housings 902-1033

Water Neck and Thermostat Housing, Stock, Cast Aluminum, Natural, Ford, Lincoln, Mercury, Each

Part Number: RNB-902-1033

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2005

Dorman Thermostat Housings 902-2005

Dorman Thermostat Housings 902-2005

Water Neck and Thermostat Housing, Stock, Steel, Natural, Buick, Cadillac, Chevrolet, Pontiac, Each

Part Number: RNB-902-2005

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings for 2005-2010 MUSTANG - 902-1997

Dorman Thermostat Housings for 2005-2010 MUSTANG - 902-1997

Dorman Thermostat Housings for 2005-2010 MUSTANG - 902-1997

Water Neck, Thermostat Housing, Aluminum, Natural, O-Ring Style, Ford, Each

Part Number: RNB-902-1997

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-700

Dorman Thermostat Housings 902-700

Dorman Thermostat Housings 902-700

Water Neck and Thermostat Housing, Stock, Steel, Natural, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: RNB-902-700

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings for 2011-2022 300, CHALLENGER, CHARGER - 902-3035HP

Dorman Thermostat Housings for 2011-2022 300, CHALLENGER, CHARGER - 902-3035HP

Dorman Thermostat Housings for 2011-2022 300, CHALLENGER, CHARGER - 902-3035HP

Water Necks and Thermostat Housings, Housing Assembly W/Thermostat, Stock Replacement, Silver, Natural, Aluminum, Chrysler, Dodge, 3.6L, Each

Part Number: RNB-902-3035HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Dorman Thermostats 902-1044

Dorman Thermostats 902-1044

Dorman Thermostats 902-1044

Water Neck and Thermostat Housing, Stock, Steel, Natural, Ford, Each

Part Number: RNB-902-1044

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2024

Dorman Thermostat Housings 902-2024

Dorman Thermostat Housings 902-2024

Thermostat Housing, Natural Finish, Pontiac, Each

Part Number: RNB-902-2024

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostats 902-1047

Dorman Thermostats 902-1047

Dorman Thermostats 902-1047

Water Neck and Thermostat Housing, Stock, Steel, Natural, Ford, Mercury, Each

Part Number: RNB-902-1047

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-1052

Dorman Thermostat Housings 902-1052

Dorman Thermostat Housings 902-1052

Water Neck and Thermostat Housing, Stock, Steel, Natural, Aluminum, Mercury, Each

Part Number: RNB-902-1052

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Dorman Thermostats for 1967-1969 CAMARO, 1966-1968 CHEVY II, 1956-1968 CORVETTE - 902-2056

Dorman Thermostats for 1967-1969 CAMARO, 1966-1968 CHEVY II, 1956-1968 CORVETTE - 902-2056

Dorman Thermostats for 1967-1969 CAMARO, 1966-1968 CHEVY II, 1956-1968 CORVETTE - 902-2056

Engine Coolant Thermostat Housing

Part Number: RNB-902-2056

2.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-2981

Dorman Thermostat Housings 902-2981

Dorman Thermostat Housings 902-2981

Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-3036XD

Dorman Thermostat Housings 902-3036XD

Dorman Thermostat Housings 902-3036XD

Water Necks and Thermostat Housings, Housing Assembly W/Thermostat, Stock Replacement, Natural, Aluminum, Chrysler, Dodge, Jeep, RAM, 3.2L, 3.6L, Each

Part Number: RNB-902-3036XD

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-1035

Dorman Thermostat Housings 902-1035

Dorman Thermostat Housings 902-1035

Water Neck and Thermostat Housing, Stock, Steel, Natural, Ford, Mercury, Each

Part Number: RNB-902-1035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Dorman Thermostats 902-2016

Dorman Thermostats 902-2016

Dorman Thermostats 902-2016

Water Neck and Thermostat Housing, Stock, Steel, Natural, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-902-2016

1.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Dorman Thermostat Housings 902-1017

Dorman Thermostat Housings 902-1017

Dorman Thermostat Housings 902-1017

Water Neck, Thermostat Housing, Aluminum, Natural, Gasket Style, Each

Part Number: RNB-902-1017

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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