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Dorman Thermostat Housings

4.25 out of 5 stars 178 Customer Reviews

Replace your stock thermostat housing with new parts from Dorman. These quality replacement components offer solution upgrades for your coolant system, and they are available for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostat housings from Dorman.

Results 1 - 17 of 17

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: Today

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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: Today

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Water Neck and Thermostat Housing, Stock, Steel, Black, Dodge, Jeep, Each

Part Number: RNB-902-318

3.0 out of 5 stars ( 1 )

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Water Neck and Thermostat Housing, Stock, Cast Aluminum, Natural, Chevrolet, GMC, Workhorse, Each

Part Number: RNB-902-836

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Thermostat Housing, Cast Aluminum, Dodge, Jeep, 2.5, 4.0L, Each

Part Number: RNB-902-306

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Engine Coolant Thermostat Housing

Part Number: RNB-902-754

5.0 out of 5 stars ( 1 )

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WATER OUTLET

Part Number: RNB-902-301HP

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

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

Part Number: RNB-902-1010

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Thermostat Housing, Steel, Black, Ford, Each

Part Number: RNB-902-1108

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Water Outlet, Chrysler 2005-01, Dodge 2005-01, Mitsubishi 2005-99, OE SOLUTIONS

Part Number: RNB-902-3110

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: RNB-902-1996

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Thermostat Housing, Lexus 2008-99, Toyota 2010-00, OE SOLUTIONS

Part Number: RNB-902-5860

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Water Neck, Thermostat Housing, Acura®, Honda®, Isuzu, Each

Part Number: RNB-902-5830

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-782

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Water Neck, Thermostat Housing, Land Rover, Each

Part Number: RNB-902-5166

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Water Outlet, Engine Coolant Crossover Pipe

Part Number: RNB-902-302HP

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

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

Part Number: RNB-902-1004

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

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