Keep engine temperature in check with the Gates Integrated Housing Engine Coolant Thermostat 33958, an all-in-one, bolt-on assembly that installs on a wide range of heavy-duty applications. It's a direct-fit replacement for the 2003-2007 Ford Super Duty Pickup, 2003-2007 Ford F-250/F-350/F-450/F-550 Super Duty, 2003-2005 Ford Excursion, 2004-2010 Ford E-350 and E-450 Super Duty, 2004-2007 Ford F-650 and F-750, plus numerous International models (1652SC, 4100, 4200, 4400, MXT, RXT) and the Starcraft Bus Starlite — see the Buyer's Guide tab for the full list and engine details.
A coolant thermostat opens and closes to regulate coolant flow between the engine and radiator, helping the engine reach and hold its correct operating temperature. If a stuck or failed thermostat is causing overheating, slow warm-up, or a fluctuating temperature gauge, this assembly replaces the original unit.
- All-in-one, bolt-on solution: includes everything needed for a complete job — thermostat, insert, seal and housing.
- Meets or exceeds OE standards for fit, form and performance.
- Precision temperature regulation and control, including application-specific adaptive MAP-control.
Interchange: 3C3Z 8575 AA · 4038-92 · 510-192 · 436-192
4899 · 30309 · 14899 · 85691 · 1839304C92 · 3C3Z8575AA · 403892 · 510192 · 436192
This part cross-references / interchanges with the following part numbers:
4899, 30309, 14899, 3C3Z 8575 AA, 85691, 1839304C92, 4038-92, 510-192, 436-192, 33958
