Fel-Pro 35431 Engine Water Pump Gasket

Fel-Pro 35431 Engine Water Pump Gasket

Fel-Pro 35431 is a premium paper engine water pump gasket built for Ford and Mercury applications that require a precise sealing surface. With application-specific materials and a 0.030-inch thickness, it supports reliable sealing at the water pump interface on select Ford F-150, Mustang, Windstar, and related models.

Key Features

• Paper gasket material for a controlled seal at the water pump mounting surface
• Blue color for easy identification during service
• 0.030-inch thickness for application-specific fitment
• Premium grade construction from Fel-Pro
• 9 mounting holes to match the listed water pump pattern
• Fits select Ford F-150, Ford Mustang, Ford Windstar, and Mercury Cougar applications

Product Details

Fel-Pro 35431 is an engine water pump gasket engineered for sealing the water pump to the engine on listed Ford and Mercury vehicles. Fel-Pro focuses on vehicle-specific sealing solutions, and this gasket uses paper construction with a 0.030-inch thickness to match the intended application. This part cross-references MAHLE K31566 for the same application. Common fitment includes 2005-2008 Ford F-150, 1997-2003 Ford F-150, 2004-2007 Ford Freestar, 2004 Ford F-150 Heritage, 1996-2004 Ford Mustang, and 1996-1997 Mercury Cougar. The Fel-Pro 35431 part number is also commonly searched for Ford F-150 water pump gasket replacement and Ford Mustang engine water pump gasket service.

What It Helps Address

• Coolant seepage at the water pump mounting surface
• Sealing issues after water pump replacement
• Leak paths caused by worn or compressed gasket material
• Improper sealing from a gasket that does not match the mounting pattern
• Service repeat repairs on listed Ford and Mercury cooling system applications

Installation Notes and Tips

Clean the mating surfaces thoroughly before installation and verify that the water pump and engine surfaces are free of old gasket material, corrosion, and debris. Confirm the mounting hole pattern and gasket orientation against the removed part before assembly. Use the gasket only on the listed vehicle applications, including Ford F-150, Ford Mustang, Ford Windstar, and Mercury Cougar fitments shown for Fel-Pro 35431.

Quality Assurance

Fel-Pro gaskets are built around application-specific sealing materials and vehicle-focused fitment to support dependable sealing performance in professional repair environments. The Fel-Pro 35431 water pump gasket is a premium-grade sealing component for the listed Ford and Mercury applications.