More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Thermostat Housing and Water Necks

Availability

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.

Individual Parts
Part Groups

Results 1 - 4 of 4

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12600172

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12600172

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12600172

Water Neck, O-ring Sealing Style, Aluminum, Natural, 186 degree Thermostat, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-15-11057

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco GM Genuine Parts Water Necks and Thermostat Housings for 2014-2019 IMPALA, XTS, 2010-2016 LACROSSE - 12623051

ACDelco GM Genuine Parts Water Necks and Thermostat Housings for 2014-2019 IMPALA, XTS, 2010-2016 LACROSSE - 12623051

ACDelco GM Genuine Parts Water Necks and Thermostat Housings for 2014-2019 IMPALA, XTS, 2010-2016 LACROSSE - 12623051

Water Necks and Thermostat Housings, Replacement, Stock Style, Aluminum, Natural, Buick, Cadillac, Chevrolet, Saab, Each

Part Number: ADO-15-11053

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 5, 2025 if ordered today

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12698364

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12698364

ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12698364

Water Necks and Thermostat Housings, Replacement, Stock Style, Aluminum, Natural, Buick, Chevrolet, GMC, Each

Part Number: ADO-15-11055

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 5, 2025 if ordered today

ACDelco GM Genuine Parts Water Necks and Thermostat Housings for 2013-2015 ATS, 2012-2015 CAMARO, 2010-2015 CTS - 12625268

ACDelco GM Genuine Parts Water Necks and Thermostat Housings for 2013-2015 ATS, 2012-2015 CAMARO, 2010-2015 CTS - 12625268

ACDelco GM Genuine Parts Water Necks and Thermostat Housings for 2013-2015 ATS, 2012-2015 CAMARO, 2010-2015 CTS - 12625268

Water Necks and Thermostat Housings, Replacement, Stock Style, Aluminum, Natural, Cadillac, Chevrolet, Each

Part Number: ADO-15-11056

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 5, 2025 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify