MPA Electrical 11338 Alternator

Remanufactured Alternator for Porsche Applications

MPA Electrical Part Number 11338 is a remanufactured 12-volt alternator built for select Porsche charging systems. It delivers 150 amps and uses an internal regulator, internal fan, and a 6-groove serpentine clutch pulley for the specified applications.

Compatible With Porsche 911, Boxster, and Cayman models listed below, this Bosch-manufactured unit is a direct-fit charging component for vehicles that require the correct clock position and clockwise rotation. The MPA Electrical remanufactured line focuses on restored electrical components for replacement use in OE-style applications.

Key Features

• 150 amp output for charging-system replacement
• 12-volt alternator with internal regulator
• Internal fan design
• Bosch manufacturer specification
• 6-groove serpentine clutch pulley
• Clock position: 5:00
• Clockwise rotation
• Remanufactured MPA Electrical Part Number 11338

Detailed Description

This remanufactured alternator is engineered for Porsche charging system service where the original unit matches the listed amperage, pulley style, rotation, and clock position. It cross-references Quality-Built 11338 for the same application. Use Part Number 11338 when replacing a worn or failed alternator on select Porsche 911, Boxster, and Cayman models.

Fits 2007-2009 Porsche 911, N/A. Fits 2010 Porsche 911, N/A, w/ 8S Pulley; Remanufactured. Fits 2011 Porsche 911, N/A, Remanufactured. Fits 2007-2008 Porsche Boxster, N/A, Remanufactured. Fits 2007-2008 Porsche Cayman, N/A, Remanufactured.

Common Issues This Part Can Address

• Low battery charging output
• Battery warning light illumination
• Dim lights or electrical instability
• Alternator bearing or internal component failure
• Charging-system voltage irregularities

Installation Notes and Tips

Verify pulley groove count, clock position, rotation, and electrical connector match before installation. Confirm the vehicle application against the listed Porsche 911, Boxster, or Cayman fitment, including the 2010 Porsche 911 note for the 8S pulley. Inspect the drive belt and charging connections during replacement to help ensure proper system operation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for replacement use in charging-system service. This alternator is specified with Bosch manufacturing details and OE-style fitment references for the listed Porsche applications.