Fel-Pro 413 Engine Oil Filter Mounting O-Ring

Fel-Pro 413 Oil Filter Mounting O-Ring

The Fel-Pro 413 engine oil filter mounting O-ring is a nitrile sealing ring made for precise oil filter mount sealing. With a 0.687-inch inside diameter, 0.875-inch outside diameter, and 0.187-inch width, it supports leak-resistant service on select Ford applications including Ranger, Bronco II, and Aerostar.

Key Features

• Brand: Fel-Pro
• Part number: 413
• Engine oil filter mounting O-ring
• Nitrile material for sealing performance
• Inside diameter: 11/16 in. (0.687 in.)
• Outside diameter: 7/8 in. (0.875 in.)
• Width: 3/16 in. (0.187 in.)
• Standard unit pack: 1

Detailed Description

Fel-Pro 413 is an engine oil filter mounting O-ring built around application-specific sealing dimensions for select Ford vehicles. Fel-Pro’s sealing systems are engineered to deliver full vehicle sealing coverage using materials chosen for the application, and this nitrile O-ring follows that approach with a compact profile sized for oil filter mount service. This part number 413 is listed for 1983-1992 Ford Ranger, 1984-1990 Ford Bronco II, and 1986 Ford Aerostar, making it a direct-match sealing component for those engine oil filter mounting locations.

This part cross-references Dayco 72115 and Four Seasons 56213 for the same application.

Vehicle Fitment

• Fits 1983-1992 Ford Ranger, N/A. Notes: 0.688 (in) Inside Diameter x 0.875 (in) Outside Diameter.
• Fits 1984-1990 Ford Bronco II, N/A. Notes: 0.688 (in) Inside Diameter x 0.875 (in) Outside Diameter.
• Fits 1986 Ford Aerostar, N/A. Notes: 0.688 (in) Inside Diameter x 0.875 (in) Outside Diameter.

Common Repair Uses

• Oil seepage at the filter mounting point
• Damaged or flattened mounting O-ring during service
• Leak repair after oil filter housing maintenance
• Replacement of a hardened nitrile seal
• Restoring proper sealing on select Ford Ranger, Bronco II, and Aerostar applications

Installation Notes and Tips

Confirm the existing seal dimensions before installation and compare them to the listed 0.687-inch inside diameter, 0.875-inch outside diameter, and 0.187-inch width. Clean the sealing groove and mating surfaces thoroughly before placing the O-ring, and inspect the filter mount for wear, nicks, or debris that could affect sealing. Verify the application against the vehicle’s engine configuration before service.

Quality Assurance

Fel-Pro gaskets and sealing components are built with application-specific materials and sealing dimensions to support professional-grade repair work. Part number 413 is a nitrile engine oil filter mounting O-ring designed for consistent sealing on the listed Ford applications.