MPA Electrical 8316803N Alternator - Upper

Alternator for Ford Super Duty and Excursion

This MPA Electrical New alternator, part number 8316803N, is a 12-volt charging system component built for specific Ford truck and SUV applications. It delivers 110 amps with an internal regulator, internal fan, and an 8-groove serpentine pulley for OE-style replacement fitment.

Compatible With 2002-2003 Ford Excursion and 2002-2003 Ford F-250 Super Duty and F-350 Super Duty applications, including upper-position dual alternator systems where listed. The 2:30 clock position and clockwise rotation match the specified mounting and belt-drive requirements.

Key Features

• 110 amp output for Ford charging system service
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• 8-groove serpentine pulley
• Clock position: 2:30
• Clockwise rotation
• New MPA Electrical unit, part number 8316803N

Detailed Description

MPA Electrical 8316803N is a replacement alternator for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models listed in the fitment data. It is specified as a 110 amp, 12-volt unit with an internal regulator and internal fan, making it a direct-match electrical component for vehicles that use the stated pulley, rotation, and clock position. This part cross-references BBB Industries 8316 for the same application.

Use this alternator when servicing a Ford charging system that requires the exact OE-style configuration shown here. The part number 8316803N also aligns with interchange references used for these Ford applications.

Vehicle Fitment

• Fits 2002-2003 Ford Excursion, N/A
• Fits 2002-2003 Ford F-250 Super Duty, Upper, Dual Alt. System, Upper Unit; New
• Fits 2002-2003 Ford F-250 Super Duty, N/A, Single alt. System; New
• Fits 2002-2003 Ford F-350 Super Duty, Upper, Dual Alt. System, Upper Unit; New
• Fits 2003 Ford F-350 Super Duty, N/A, Single alt. System; New
• Fits 2002 Ford F-350 Super Duty, N/A, Single Alternator System, Except Ambulance; New

Common Replacement Reasons

• Battery warning light or charging system fault
• Low charging output at idle or under load
• Noise from a worn alternator bearing or internal component
• Voltage instability affecting electrical accessories
• Failure in a Ford Excursion or Super Duty charging circuit

Installation Notes and Tips

Verify the pulley groove count, clock position, rotation direction, and amperage rating before installation. Confirm whether the vehicle uses a single alternator setup or the upper unit in a dual alternator system, especially on 2002-2003 Ford F-250 Super Duty and F-350 Super Duty models. Match the application exactly to the listed fitment notes for proper installation.

Quality Assurance

MPA Electrical supplies new replacement electrical components for charging-system service. This alternator is built to the stated specifications for the listed Ford applications and is identified by part number 8316803N.