FWGC 7791R Alternator

Overview

This 130 amp alternator is built for Ford and Lincoln applications that require dependable charging output and OE-style fitment. Part number 7791R is a direct replacement option for vehicles originally equipped with a 130 amp unit and an 8-groove serpentine pulley.

Key Features

• 12-volt alternator with 130 amp output
• Internal fan and internal regulator for integrated control
• Clockwise rotation with an 8-groove serpentine pulley
• Pulley included for a complete replacement assembly
• Power Select construction uses proprietary components and processes

Detailed Description

Part number 7791R is a Power Select alternator engineered to supply the amperage needed by modern electrical systems. It is configured with internal regulation, clockwise rotation, and an internal fan, and it includes the pulley for applications that match the original equipment design. This alternator fits 1997-2002 Ford F-150, 1997-2001 Ford E-150 Econoline, 1997-2001 Ford E-150 Econoline Club Wagon, 1997-2001 Ford E-250 Econoline, 1997-2001 Ford E-350 Econoline Club Wagon, 2000-2001 Ford E-450 Econoline Super Duty, 1997-2001 Ford Expedition, 1998-2001 Ford Lobo, 1998-2000 Lincoln Navigator, 1997-1999 Ford E-350 Econoline, 1999 Ford Econoline Super Duty, 1997-1999 Ford F-250, 1997-1998 Ford Club Wagon, 1998 Ford Econoline Super Duty, and 1997 Ford Econoline Super Duty with the listed 130 amp or 8-groove pulley configurations. Part number 7791R also cross-references BBB Industries 7791 for the same application.

Common Uses

• Restoring charging output when the original alternator no longer maintains system voltage
• Replacing a worn unit with internal regulator or fan wear
• Addressing battery drain caused by weak alternator performance
• Correcting charging issues on vehicles with the original 130 amp setup
• Replacing a unit with pulley or rotation mismatch

Installation Notes

Verify the vehicle’s original amperage rating, pulley groove count, and rotation direction before ordering. Confirm the application matches the listed Ford or Lincoln fitment and the original 130 amp configuration. Inspect the belt condition and charging connections during installation to help ensure proper system operation.

Quality Assurance

Power Select alternators are engineered to provide the amp output needed for today’s vehicles, and each unit is made with proprietary components and processes to support long service life and consistent performance.