WAI 7745-2N Alternator

WAI 7745-2N Alternator for Ford Applications

The WAI 7745-2N is a 100% new alternator built for Ford charging-system applications that need dependable output and stable electrical performance. With an 80 amp rating, internal regulator, and included pulley, it is set up for serpentine-belt systems and clockwise rotation.

Compatible With Ford Bronco, Ford F-150, Ford F-250, Ford F-350, Ford Ranger, Ford Aerostar, Ford Econoline vans, and Mercury Grand Marquis applications listed below, this alternator is a direct-fit electrical replacement for a wide range of 1985-1992 vehicles. The WAI 7745-2N part number is also commonly searched as an OE-style replacement for Ford 2G charging-system applications.

Key Features

• 100% new alternator construction, not remanufactured
• 80 amp amperage rating for Ford charging-system service
• Internal regulator for simplified electrical integration
• External fan design
• Clockwise (right) rotation
• Pulley included with 6-groove serpentine belt setup
• Decoupled or clutch pulley: No
• Ford family application coverage

Detailed Description

Built by WAI for modern electrical demand, the 7745-2N alternator is engineered to deliver the amp output needed to keep vehicle charging systems operating correctly. Its new-component design and proprietary manufacturing processes are intended to support long service life and consistent performance in Ford trucks, vans, SUVs, and select Mercury models. If you are replacing a worn charging unit on a Ford F-150, Ford Ranger, or Ford Bronco, this part number provides a focused fitment match for the listed configurations.

This part cross-references BBB Industries 7716-2 and 7735-2 for the same application.

What This Alternator Helps Address

• Battery warning light caused by charging-system failure
• Low charging output at idle or under electrical load
• Dim lights, weak accessories, or unstable voltage
• Noise or wear associated with a failing alternator assembly
• Replacement needs for Ford 2G-style alternator applications

Installation Notes and Fitment

• Fits 1990-1992 Ford Bronco, N/A, Std, 75 Amp
• Fits 1990-1992 Ford F-150, N/A, w/2:00 Alt Plug, Opt, 80 Amp, w/2:00 Alt Plug, Std, 75 Amp
• Fits 1990-1992 Ford F-250, N/A, w/2:00 Alt Plug, Opt, 80 Amp, w/2:00 Alt Plug, Std, 75 Amp
• Fits 1990-1992 Ford F-350, N/A, w/2:00 Alt Plug, Opt, 80 Amp, w/2:00 Alt Plug, Std, 75 Amp
• Fits 1990-1991 Ford Aerostar, N/A, Opt, 80 Amp, Std, 75 Amp
• Fits 1991 Ford E-150 Econoline, N/A, w/Internal Reg, 75 Amp
• Fits 1991 Ford E-150 Econoline Club Wagon, N/A, w/Internal Reg, 75 Amp
• Fits 1991 Ford E-250 Econoline, N/A, w/Internal Reg, 75 Amp
• Fits 1991 Ford E-250 Econoline Club Wagon, N/A, w/Internal Reg, 75 Amp
• Fits 1991 Ford E-350 Econoline, N/A, w/Internal Reg, 75 Amp
• Fits 1991 Ford E-350 Econoline Club Wagon, N/A, w/Internal Reg, 75 Amp
• Fits 1991 Ford Ranger, N/A, Std, 75 Amp
• Fits 1990 Ford E-150 Econoline, N/A, w/Internal Reg, Opt, 75 Amp, w/Internal Reg, Std, 60 Amp
• Fits 1990 Ford E-150 Econoline Club Wagon, N/A, w/Internal Reg, Opt, 75 Amp, w/Internal Reg, Std, 60 Amp
• Fits 1990 Ford E-250 Econoline, N/A, w/Internal Reg, Opt, 75 Amp, w/Internal Reg, Std, 60 Amp
• Fits 1990 Ford E-250 Econoline Club Wagon, N/A, w/Internal Reg, Opt, 75 Amp, w/Internal Reg, Std, 60 Amp
• Fits 1990 Ford E-350 Econoline, N/A, w/Internal Reg, Opt, 75 Amp, w/Internal Reg, Std, 60 Amp
• Fits 1990 Ford E-350 Econoline Club Wagon, N/A, w/Internal Reg, Opt, 75 Amp, w/Internal Reg, Std, 60 Amp
• Fits 1990 Ford Ranger, N/A, Std, 65 Amp
• Fits 1986-1989 Ford Aerostar, N/A, w/2:00 Plug, 80 Amp Also Replaces 40 to 75 Amp
• Fits 1987-1989 Ford Bronco, N/A, w/Internal Reg, Adjusting Ear @ 12:00, w/2:00 Alt Plug, Opt, 75 Amp, w/Internal Reg, Adjusting Ear @ 12:00, w/2:00 Alt Plug, Std, 65 Amp
• Fits 1987-1989 Ford Bronco II, N/A, w/Internal Reg, Adjusting Ear @ 12:00, 65 Amp
• Fits 1987-1989 Ford F-150, N/A, w/Internal Reg, w/2:00 Alt Plug, Opt, 75 Amp, w/Internal Reg, w/2:00 Alt Plug, Std, 60 Amp
• Fits 1987-1989 Ford F-250, N/A, w/Internal Reg, w/2:00 Alt Plug, Opt, 75 Amp, w/Internal Reg, w/2:00 Alt Plug, Std, 60 Amp
• Fits 1987-1989 Ford F-350, N/A, w/Internal Reg, w/2:00 Alt Plug, Opt, 75 Amp, w/Internal Reg, w/2:00 Alt Plug, Std, 60 Amp
• Fits 1989 Ford Ranger, N/A, Ford 2G, 80 Amp, w/Internal Reg, Also Replaces 40 & 65 Amp
• Fits 1987-1988 Ford Ranger, N/A, w/Internal Reg, 40 Amp, w/Internal Reg, 65 Amp
• Fits 1986 Ford Bronco II, N/A, w/Internal Reg, Adjusting Ear @ 12:00, 40 Amp
• Fits 1985-1986 Ford Ranger, N/A, w/Internal Reg, 40 Amp
• Fits 1986 Mercury Grand Marquis, N/A, 75 Amp

Before installation, confirm pulley groove count, serpentine belt type, rotation direction, and connector style against the original unit. The WAI 7745-2N uses an internal regulator and includes the pulley, so matching the vehicle’s charging-system configuration is important for proper fit.

Quality Assurance

WAI builds this alternator as a 100% new unit using proprietary components and manufacturing processes to support maximum life and performance in Ford charging-system applications.