MPA Electrical 8308604 Alternator - Lower

Remanufactured Alternator for Ford Super Duty

MPA Electrical part number 8308604 is a remanufactured 12-volt alternator built for Ford charging systems that use a 6-groove serpentine pulley, internal regulator, and internal fan. It delivers 110 amps and clockwise rotation, making it a direct-fit electrical replacement for select Ford F-250 Super Duty, F-350 Super Duty, and E-Series dual alternator applications.

Use this alternator when you need a lower-unit replacement for a dual alternator setup on the Ford F-250 Super Duty or Ford F-350 Super Duty. The 8308604 remanufactured alternator is also listed for E-350 Club Wagon and E-350 Super Duty applications with the correct mounting and pulley configuration.

Key Features

• 110 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation
• Remanufactured by MPA Electrical
• Ford OE-style application coverage

Detailed Description

MPA Electrical 8308604 is a remanufactured alternator engineered for Ford trucks and vans with dual alternator systems. It is specified as the lower unit on select 2003-2006 Ford Super Duty and E-Series applications, with fitment that includes 2006 Ford F-250 Super Duty lower, 2006 Ford F-350 Super Duty lower, 2004-2005 Ford E-350 Club Wagon lower, 2005 Ford E-350 Super Duty lower, 2003-2005 Ford F-250 Super Duty lower, 2003-2005 Ford F-350 Super Duty lower, and 2004 Ford E-350 Super Duty lower. Part number 8308604 is also cross-referenced to BBB Industries 8308 for the same application.

This alternator is a practical replacement for Ford charging system service where the original unit uses a 6-groove serpentine belt, internal regulation, and clockwise rotation. The 110 amp rating supports the electrical demands of the listed Ford F-250 Super Duty and Ford F-350 Super Duty configurations.

What It Helps Fix

• Battery warning light caused by alternator output loss
• Low charging voltage in a Ford dual alternator system
• Dim lights or electrical instability from weak charging performance
• Noise or failure related to a worn alternator assembly
• Charging issues on lower-unit Ford Super Duty and E-Series applications

Installation Notes and Tips

Verify the vehicle uses the lower alternator position before ordering. Confirm the pulley style, rotation, amperage, and connector match the original unit on your Ford F-250 Super Duty, Ford F-350 Super Duty, or E-Series application. Check belt alignment and inspect the charging circuit, battery condition, and related wiring during installation to help confirm proper system operation after replacement.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for replacement use in OE-style charging systems. Part number 8308604 is specified for the listed Ford applications and cross-references BBB Industries 8308.