Fel-Pro 35673 is a molded rubber thermostat housing gasket built to seal the lower thermostat housing to the manifold on 4.0L V6 applications. It addresses coolant seepage at a repair-prone joint with an application-specific shape, premium-grade material, and dimensions matched for service work on Ford Explorer, Explorer Sport, Explorer Sport Trac, Mustang, Ranger, Land Rover LR3, Mazda B4000, and Mercury Mountaineer models within the supported production years.

Fel-Pro 35673 Technical Specifications:

• Molded rubber construction conforms to the lower thermostat housing sealing surface and is designed for use where the housing meets the manifold.
• Premium grade gasket measures 1.580 in. inside diameter and .250 in. thick, with metric equivalents of 40.1 mm ID and 6.3 mm thickness.
• Mounting hole quantity is 0, matching the molded gasket design rather than a bolt-through flat gasket layout.
• Validated for fit, form, and function and engineered to meet or exceed OE specifications for the listed repair applications.
• Direct replacement reference numbers include Ford 1L2Z 8255-AA, Victor Reinz C31653, Corteco 113371, and Rol WO8643.

This molded rubber gasket is for the lower thermostat housing to manifold joint. It is not the O-ring style seal used between the water outlet and thermostat.

Fits 4.0L V6 applications including Ford Explorer, Explorer Sport, Explorer Sport Trac, Mustang, Ranger, Land Rover LR3, Mazda B4000, and Mercury Mountaineer across the cataloged 2000-2011 coverage. Verify vehicle, engine, and gasket location before installation.