Gates 33907 Engine Coolant Thermostat

OE Type Engine Coolant Thermostat

The Gates 33907 OE Type Thermostat is built for precise coolant temperature control and an OEM-equivalent fit. It is a direct replacement thermostat for a range of Mazda, Ford, and Acura applications, including Mazda Protege, Mazda 626, and Ford Probe fitments.

• OE Type thermostat engineered for accurate temperature regulation.
• Steel and copper construction for durable cooling system service.
• O-ring seal type for leak-resistant sealing at the housing interface.
• Bottom by-pass design for the specified cooling system layout.
• Start-to-open temperature of 180 degrees for the listed applications.

This Gates 33907 thermostat is used in cooling systems that need stable engine operating temperature and consistent coolant flow control. It fits 1999-2003 Mazda Protege, N/A; 2002-2003 Mazda Protege5, N/A; 1993-2002 Mazda 626, N/A; 1995-2002 Mazda Millenia, N/A; 1996-1998 Mazda MPV, N/A; 1993-1997 Ford Probe, N/A; 1993-1997 Mazda MX-6, N/A; 1992-1995 Mazda MX-3, N/A; and 1986-1990 Acura Legend, N/A. This part cross-references Four Seasons 33907 and Motorad 299-170 for the same application.

Common Uses

• Restores proper coolant temperature control when the thermostat is sticking open or closed.
• Addresses overheating caused by delayed coolant flow regulation.
• Helps correct slow warm-up conditions in the cooling system.
• Supports replacement of a leaking thermostat seal at the housing interface.

Installation Notes

Verify the thermostat temperature rating and by-pass design against the original part before installation. Clean the sealing surfaces thoroughly and confirm the O-ring seats correctly during assembly. This thermostat does not include an installation tool.

Quality Assurance

Gates OE Type Thermostats are engineered to provide precise temperature control and leak-free, OEM-equivalent fit every time.