MPA Electrical 11254N Alternator

Alternator for Volkswagen Charging Systems

This MPA Electrical New alternator is a 12-volt, 140-amp replacement built for Volkswagen charging system applications that require Bosch-style fitment. It features an internal regulator, internal fan, clockwise rotation, and a 5 groove serpentine clutch pulley for the specified vehicle listings.

• 140 amps output for stable charging performance
• 12-volt electrical system application
• Internal regulator for integrated voltage control
• Internal fan design
• 5 groove serpentine clutch pulley
• Clockwise rotation
• Bosch manufacturer specification

Fitment Details

Compatible With select Volkswagen Golf, Jetta, Golf SportWagen, and Bora applications. Fits 2012-2014 Volkswagen Golf, N/A, w/ 5S Clutch Pulley; New. Fits 2011-2014 Volkswagen Jetta, N/A, Single Sided V Ribbed Belt, Clockwise Rotation; New. Fits 2010-2013 Volkswagen Golf SportWagen, N/A. Fits 2010-2011 Volkswagen Golf, N/A. Fits 2010 Volkswagen Bora, N/A, w/ 5S Clutch Pulley; New. Fits 2005-2010 Volkswagen Jetta, N/A. Fits 2006-2009 Volkswagen Bora, N/A.

This part cross-references Bosch-style OE numbers 07K-903-023A and 07K 903 023 AX for the same application.

Common Replacement Symptoms

• Battery warning light or charging system warning on the dash
• Low battery voltage after driving
• Dim lights or electrical accessories operating inconsistently
• Battery not maintaining charge during normal use
• Alternator noise or charging output outside specification

Installation Notes

Verify pulley style, belt routing, rotation direction, and electrical connector match the original unit before installation. Confirm the vehicle uses the listed Bosch-style 140-amp, 12-volt configuration for Volkswagen Golf, Jetta, Golf SportWagen, or Bora applications. Check charging voltage after installation to confirm proper system operation.

Quality Assurance

MPA Electrical supplies new replacement electrical components built to match the listed application details, including amperage, pulley type, regulator type, and rotation. This alternator is specified for Bosch-based Volkswagen charging system fitment.