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Dorman Thermostats

3.18 out of 5 stars 34 Customer Reviews

Replace your stock thermostat with new parts from Dorman. These quality components offer solution upgrades for your coolant outlets. Dorman offers thermostats for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostats from Dorman.

Results 1 - 25 of 105

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: Today

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Engine Coolant Thermostat Housing

Part Number: RNB-902-2056

2.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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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: Today

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Engine Coolant Thermostat Housing

Part Number: RNB-902-3018

Not Yet Reviewed

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

Part Number: RNB-902-1047

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Engine Coolant Thermostat Housing

Part Number: RNB-902-3010

Not Yet Reviewed

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Engine Coolant Thermostat Housing

Part Number: RNB-902-689

Not Yet Reviewed

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Engine Coolant Thermostat Housing

Part Number: RNB-902-2055

Not Yet Reviewed

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Thermostat, Mechanical, 206 degrees, Standard-flow, Copper/Stainless Steel, Housing, BMW, Each

Part Number: RNB-902-813

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

Engine Coolant Thermostat Housing

Part Number: RNB-902-2031

Not Yet Reviewed

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Engine Coolant Thermostat Housing

Part Number: RNB-902-3013

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Engine Coolant Thermostat Housing

Part Number: RNB-902-3035

Not Yet Reviewed

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Thermostat Housing

Part Number: RNB-902-033

Not Yet Reviewed

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Engine Coolant Thermostat Housing

Part Number: RNB-902-2052

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today

Thermostat, 180 Degree, Standard-Flow, Copper/Brass, Ford, Lincoln, Mazda, Mercury, Each

Part Number: RNB-902-733

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

Engine Coolant Thermostat Housing

Part Number: RNB-902-5005

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

Engine Coolant Thermostat Housing

Part Number: RNB-902-315

Not Yet Reviewed

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Thermostat Housing, Aluminum, Natural, Ford, Mercury, Each

Part Number: RNB-902-214

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

Thermostat Housing

Part Number: RNB-902-693

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

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

Part Number: RNB-902-2057

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today

Thermostat Housing Kit Assembly

Part Number: RNB-902-903

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

Water Neck, O-ring Sealing Style, Composite, Black, Ford, Mercury, 4.0L, Each

Part Number: RNB-902-860

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Thermostat Water Outlet Assembly

Part Number: RNB-902-800

Not Yet Reviewed

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Thermostat, Mechanical, 180 degrees, Standard-flow, Copper/Stainless Steel, Housing, Ford, Lincoln, Mazda

Part Number: RNB-902-682

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

Engine Coolant Thermostat Housing

Part Number: RNB-902-5062

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today