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Dorman Thermostat Housings

4.24 out of 5 stars 181 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 - 25 of 47

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

Part Number: RNB-902-2018

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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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

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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 )

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Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

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Water Neck, O-ring Sealing Style, Composite, Black, Chrysler, Dodge, Jeep, Each

Part Number: RNB-902-319

4.75 out of 5 stars ( 4 )

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Water Neck, Thermostat Housing, Buick, Chevrolet, Each

Part Number: RNB-902-808

5.0 out of 5 stars ( 2 )

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THERMOSTAT HOUSING

Part Number: RNB-902-2090

Not Yet Reviewed

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THERMOSTAT HOUSING

Part Number: RNB-902-3045

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-2081

Not Yet Reviewed

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THERMOSTAT HOUSING

Part Number: RNB-902-759

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-1078

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Thermst Housing Assy

Part Number: RNB-902-1089

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-2089

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-1125

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Thermostat Housing, Jeep Grand Cherokee 2018-14, Ram 1500 2018-14, OE SOLUTIONS

Part Number: RNB-902-3040

Not Yet Reviewed

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Water Neck, Thermostat Housing, BMW, Each

Part Number: RNB-926-905

Not Yet Reviewed

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Engine Coolant Water Outlet, Engine Coolant Water Outlet

Part Number: RNB-902-1085

Not Yet Reviewed

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Thermst Housing Assy

Part Number: RNB-902-1090

Not Yet Reviewed

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Water Neck, Thermostat Housing, Buick, Chevrolet, Each

Part Number: RNB-902-846

5.0 out of 5 stars ( 3 )

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Engine Coolant Water Outlet, Engine Coolant Water Outlet

Part Number: RNB-902-2087

Not Yet Reviewed

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Thermostat Housing

Part Number: RNB-902-5902

Not Yet Reviewed

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Water Neck, Thermostat Housing, Honda®, Each

Part Number: RNB-902-5835

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Thermostat Housing, Mercedes-Benz 2018-15, OE SOLUTIONS

Part Number: RNB-902-5842

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-5881

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

THERMOSTAT HOUSING

Part Number: RNB-902-5953

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today