Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

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Thermostat Housing and Water Necks

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

Results 1 - 4 of 4

Coolant Tubes, Engine Coolant Hose, OEM-style Flange, Aluminum, BMW, Each

Part Number: RIN-CHU0718

Not Yet Reviewed

Estimated Ship Date: May 13, 2025 if ordered today

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Estimated Ship Date: May 13, 2025 if ordered today

Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-WPI703850-K

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Stainless Braided Hose, Chevy, LS, Kit

Part Number: WRL-703850-K

Not Yet Reviewed

Estimated Ship Date: May 19, 2025 if ordered today

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Estimated Ship Date: May 19, 2025 if ordered today

Water Return Kit, Remote Mount, Motown II Block, Billet Aluminum, Black Anodized, -12 AN Pro-Lok Hose, Chevy, LS, Kit

Part Number: WRL-703849-K

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

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Estimated Ship Date: May 28, 2025 if ordered today

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