MPA Electrical 13943 Alternator

Remanufactured Alternator for Pontiac and Oldsmobile

MPA Electrical Part Number 13943 is a remanufactured 12-volt alternator built for charging-system replacement on select Pontiac Montana and Oldsmobile Silhouette applications. It is specified at 125 amps and uses an internal regulator, internal fan, and a 6-groove serpentine pulley for direct-fit service on the listed vehicles.

Key Features

• 125 amp output for the original charging-system application
• 12 volt alternator with internal voltage regulator
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation
• Clock position: 9:00
• Remanufactured by MPA Electrical
• Manufactured by Valeo

Product Details

MPA Electrical 13943 is a remanufactured alternator for vehicles that use a Valeo-style charging unit with a 125 amp rating. The unit is configured for 12 volts, clockwise rotation, and an internal regulator, making it a direct replacement choice for charging-system service on the Pontiac Montana and Oldsmobile Silhouette. This part cross-references BBB Industries 13943 for the same application.

Compatible With 2002-2005 Pontiac Montana and 2002-2004 Oldsmobile Silhouette, this alternator supports OE-style fitment for the listed platforms. The part number 13943 is also referenced across multiple interchange numbers, which helps confirm application matching during catalog lookup and repair planning.

What This Alternator Helps Address

• Battery warning light caused by alternator output loss
• Low charging voltage during driving
• Dim lights or electrical instability from weak charging performance
• Starting issues related to insufficient battery recharge
• Charging-system failure on Pontiac Montana and Oldsmobile Silhouette models

Installation Notes and Tips

Verify pulley groove count, rotation, clock position, amperage rating, and regulator style before installation. Confirm the vehicle uses the listed 125 amp alternator application and compare the original unit to MPA Electrical 13943 for connector and mounting alignment. Fits 2002-2005 Pontiac Montana, N/A. Fits 2002-2004 Oldsmobile Silhouette, N/A.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for charging-system replacement service using the specified Valeo configuration and application details listed above. Confirm all fitment data against the vehicle and original alternator before installation.