MPA Electrical 13978 Alternator

Remanufactured Alternator for Ford and Lincoln

MPA Electrical Part Number 13978 is a remanufactured 12-volt alternator built for charging-system service on select Ford and Lincoln vehicles. It delivers 150 amps and uses an internal regulator, internal fan, and a 6-groove serpentine pulley for OE-style fitment and operation.

This remanufactured MPA Electrical alternator is a direct replacement for applications that use a Nippondenso-style unit with clockwise rotation and a 10:30 clock position. It is a practical choice for restoring stable charging output on the 2003-2005 Ford Thunderbird and 2004-2006 Lincoln LS.

Key Features

• 150 amp output for charging-system replacement
• 12-volt alternator with internal regulator
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation with 10:30 clock position
• Remanufactured by MPA Electrical
• Cross-reference: Quality-Built 13978

Detailed Description

MPA Electrical 13978 is a remanufactured alternator for vehicles equipped with a Nippondenso charging system. It is specified with 150 amps, 12 volts, an internal regulator, and a 6-groove serpentine pulley, making it a fit-focused replacement for OE-style electrical service. This part number 13978 is listed for the 2004-2006 Lincoln LS and the 2003-2005 Ford Thunderbird, where correct pulley style, rotation, and clock position are important for proper installation and charging performance.

MPA Electrical’s remanufactured product line focuses on rebuilt electrical components for replacement use, giving technicians and DIY buyers a serviceable option when the original alternator no longer maintains consistent system voltage. Part number 13978 is also referenced as Quality-Built 13978 for the same application.

Common Problems This Part Can Address

• Low battery charge or repeated battery drain
• Dim lights or fluctuating electrical output
• Battery warning light related to charging failure
• Alternator noise or worn internal components
• Charging-system failure on Ford Thunderbird or Lincoln LS applications

Installation Notes and Tips

Verify pulley groove count, rotation, clock position, and connector style before installation. Confirm the vehicle uses a 12-volt, 150-amp alternator with an internal regulator and Nippondenso-style configuration. For best results, inspect the belt, battery condition, and charging cables during replacement on the Ford Thunderbird or Lincoln LS.

Quality Assurance

This remanufactured alternator is built by MPA Electrical for replacement use and is listed with OE-style interchange references for the same application. Confirm fitment by year, make, model, and charging-system specifications before installation.