MPA Electrical 13873N Alternator

Alternator for Chrysler, Dodge, Jeep and Mitsubishi Applications

MPA Electrical 13873N is a 12-volt alternator built for charging-system replacement on select Dodge, Jeep, and Mitsubishi vehicles. It delivers 136 amps with an internal fan, clockwise rotation, and a 6-groove serpentine pulley for the specified applications.

MPA Electrical’s New line focuses on replacement electrical components for direct-fit service needs. This alternator is built around the listed OE-style specifications to support proper charging output and belt alignment on the vehicles shown below.

• 136 amp output for 12-volt charging systems
• Internal fan design
• Clockwise rotation
• 6-groove serpentine pulley
• External regulator configuration
• Manufacturer listed as Nippondenso
• Clock position: 2:00

Detailed Product Information

This MPA Electrical alternator, part number 13873N, is specified for vehicles that use a Nippondenso-style charging unit with a 6-groove serpentine pulley and external regulator. It cross-references BBB Industries 13873 for the same application. Common search terms for this unit include alternator for 2003-2007 Dodge Dakota, Jeep Liberty 136 amp alternator, and 2001-2004 Jeep Grand Cherokee replacement alternator.

Vehicle coverage includes Fits 2003-2007 Dodge Dakota, N/A; Fits 2003-2006 Jeep Liberty, N/A; Fits 2006 Mitsubishi Raider, N/A; Fits 2003-2004 Jeep Grand Cherokee, N/A; Fits 2001-2004 Jeep Grand Cherokee, N/A; Fits 2004 Jeep TJ, N/A; Fits 2004 Jeep Wrangler, N/A; Fits 2001-2002 Dodge Dakota, N/A; Fits 2002 Jeep Grand Cherokee, N/A; and Fits 2002 Jeep Liberty, N/A.

Common Problems This Part Can Address

• Low battery charging or repeated battery drain
• Dim lights or electrical accessories losing power
• Warning light from an undercharging system
• Noise or failure from a worn alternator assembly
• Charging output that no longer meets vehicle demand

Installation Notes and Tips

Verify pulley groove count, regulator style, rotation, and connector layout before installation. Confirm the vehicle uses the listed 136 amp or 132 amp alternator application details where noted, since some fitments include configuration-specific notes such as the 6S standard pulley or the absence of the black plastic rear cover. Always compare the original unit to MPA Electrical 13873N before replacement.

Quality Assurance

MPA Electrical supplies new replacement electrical components built to match the listed application requirements for dependable service in charging-system repairs.