MPA Electrical 10158 Alternator

Remanufactured Alternator for Subaru Impreza

MPA Electrical Part Number 10158 is a remanufactured 12-volt alternator built for the 2011 Subaru Impreza. It is specified at 85 amps and uses an internal regulator, internal fan, and a 5-groove serpentine pulley for the listed application.

Key Features

• Remanufactured alternator from MPA Electrical
• 85 amp output for 12-volt charging systems
• Internal regulator and internal fan design
• 5-groove serpentine pulley
• Clockwise rotation with 10:30 clock position
• Manufacturer listed as Mitsubishi
• Direct application for 2011 Subaru Impreza

Product Details

This MPA Electrical 10158 alternator is built for the charging system used in the 2011 Subaru Impreza. The unit’s 85 amp rating, clockwise rotation, and 10:30 clock position help match the original electrical and mounting configuration for the vehicle. As a remanufactured alternator, it is intended for drivers replacing a worn or failing charging unit while keeping the factory-style setup.

MPA Electrical’s Remanufactured line focuses on rebuilt electrical components for replacement use. For this application, the alternator is identified with Mitsubishi manufacturing and cross-references OE and aftermarket numbers for the same vehicle fitment. This part cross-references 23700-AA690 and Unity Automotive 11995 for the same application.

What It Helps Fix

• Battery warning light caused by charging system failure
• Low charging output at idle or while driving
• Dim headlights or unstable electrical performance
• Dead battery conditions related to alternator wear
• Noise or charging irregularities from a failing alternator

Installation Notes and Tips

Verify pulley groove count, rotation direction, clock position, and electrical connector match before installation. Confirm the vehicle is a 2011 Subaru Impreza and compare the original alternator specifications to the listed 85 amp, 12-volt configuration. After installation, check charging voltage and belt alignment to confirm proper operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to replace worn charging-system parts with application-specific fitment. Part number 10158 is cataloged for the listed Subaru Impreza application and supported by interchange references for identification.