MPA Electrical 13984 Alternator

Remanufactured Alternator for Toyota 4Runner

MPA Electrical Part Number 13984 is a remanufactured 12-volt alternator built for charging-system replacement on select Toyota 4Runner models. It delivers 130 amps and uses an internal regulator, internal fan, and a 7-groove serpentine pulley for OE-style fitment on the specified applications.

Key Features

• Remanufactured alternator from MPA Electrical
• 130 amp output for 12-volt charging systems
• Internal regulator and internal fan design
• 7-groove serpentine pulley
• Clockwise rotation
• Manufacturer listed as Nippondenso
• Direct fit for 2003-2009 Toyota 4Runner applications

Product Details

This MPA Electrical remanufactured alternator, Part Number 13984, is specified for 2003-2009 Toyota 4Runner models. The unit is configured with a 12:00 clock position, clockwise rotation, and a 7-groove serpentine pulley to match the original charging-system layout on the listed vehicle applications. This part cross-references BBB Industries 13984 for the same application.

For buyers searching for a Toyota 4Runner alternator 130 amp replacement, a remanufactured Nippondenso alternator for 2003-2009 Toyota 4Runner, or MPA Electrical 13984 charging system service part, this unit provides the listed OE-style electrical and pulley specifications.

Common Reasons for Replacement

• Battery warning light or charging-system warning light
• Low charging output or unstable voltage
• Dim lights or electrical accessories losing power
• Alternator noise from worn internal components
• Starting issues caused by insufficient system charging

Installation Notes and Tips

Verify pulley groove count, rotation, clock position, and electrical connector match before installation. Confirm the vehicle is a 2003-2009 Toyota 4Runner and compare the original alternator specifications to MPA Electrical Part Number 13984 before removal of the existing unit. After installation, check charging voltage and belt alignment to confirm proper operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to meet the listed application and specification details for dependable charging-system service. Part Number 13984 is identified for the stated Toyota 4Runner fitment and OE-style replacement use.