MPA Electrical 13919N Alternator

New Alternator for Cadillac and Pontiac

MPA Electrical Part Number 13919N is a new 12-volt alternator built for select Cadillac and Pontiac applications. It features a 140-amp output, internal regulator, internal fan, and a 6-groove serpentine pulley for OE-style charging system service.

Compatible with 2001-2005 Cadillac DeVille, 2001-2004 Cadillac Seville, and 2004-2005 Pontiac Bonneville. This alternator is a direct-fit charging component for vehicles using a Nippondenso-style design with clockwise rotation and a 7:00 clock position.

Key Features

• 140 amps of charging output
• 12-volt alternator with internal regulator
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation
• 7:00 clock position
• Manufacturer style: Nippondenso
• New MPA Electrical replacement, part number 13919N

Detailed Description

MPA Electrical 13919N is an alternator for Cadillac DeVille, Cadillac Seville, and Pontiac Bonneville models that require a 140-amp charging unit with a 6-groove serpentine pulley. The internal regulator and internal fan support OE-style electrical system operation, while the Nippondenso configuration helps match the original mounting and belt-drive layout. If you are replacing a worn charging unit on a 2001-2005 Cadillac DeVille or a 2004-2005 Pontiac Bonneville, this part number 13919N provides the correct application-specific fitment.

MPA Electrical’s New line identifies this as a new replacement component rather than a remanufactured unit. For buyers searching for a 2001-2004 Cadillac Seville alternator or a 2001-2005 Cadillac DeVille alternator, Part Number 13919N is listed for those exact vehicle applications.

This part cross-references 19134442 and 25697765 for the same application.

What It Helps Solve

• Battery warning light caused by low alternator output
• Slow battery recharge after driving
• Dim lights or electrical instability at idle
• Charging system failure from a worn internal regulator
• Noise or belt-drive issues related to a failing alternator pulley assembly

Installation Notes and Tips

Verify the 6-groove serpentine pulley, clockwise rotation, and 7:00 clock position before installation. Confirm the vehicle’s charging system connector and mounting style match the original unit on the Cadillac DeVille, Cadillac Seville, or Pontiac Bonneville application. Always inspect the battery, belt condition, and charging circuit after replacement to confirm proper system voltage.

Quality Assurance

Built as a new MPA Electrical replacement alternator for application-specific fitment on listed Cadillac and Pontiac models. Confirm part number 13919N against the original unit and vehicle specifications before installation.