Arrowhead Electrical 400-48059 Replacement Alternator for Honda GL1800 Gold Wing 1832cc 75A

The Arrowhead Electrical 400-48059 is a brand-new, 100% aftermarket replacement alternator engineered to restore reliable charging performance to the Honda GL1800 and GL1800A Gold Wing motorcycle. Built to meet or exceed original equipment specifications, this alternator features a 21-spline shaft and is a direct-fit replacement for units found on 2001–2005 Gold Wing models equipped with the 1832cc flat-six engine.

Key Specifications:

• Unit Type: Alternator (Permanent Magnet Type)
• Voltage: 12V
• Amperage: 75 Amps
• Rotation: Clockwise (CW)
• Regulator: Internal Regulator (IR)
• Fan Type: Internal Fan (IF)
• Regulator Clock Position: 8:00
• Mounting Ear Holes: 8.5mm Unthreaded (3 ears)
• B+ Terminal: M6 x 1.00 output stud
• Polarity: Negative
• Shaft: 21-Spline

Replaces These OEM & Cross-Reference Part Numbers:

• Honda OEM: 31100-MCA-003, 31100-MCA-700, 31100-MCA-7000, 31100-MCA-A400, 31100-MCA-A41, AHGA52
• Mitsubishi: A5TA7599, A5TA7599ZC, A5TB1079, A5TB1079ZC
• Arrowhead (Old): A5TA7599, A5TB1079
• J & N: 400-48059, 400-48060 (old)
• Lester: 12488, 12489
• Tucker Rocky: 464178

This alternator is manufactured with new premium-quality components and is tested for reliability, durability, and performance prior to shipping, ensuring a confident, plug-and-play installation.