MPA Electrical 13778 Alternator

Remanufactured Alternator for Nissan Frontier and Xterra

MPA Electrical Part Number 13778 is a remanufactured 12-volt alternator built for charging-system replacement on select Nissan trucks and SUVs. It is specified at 70 amps with an internal regulator, internal fan, clockwise rotation, and a 1-groove V-belt pulley for the listed applications.

This remanufactured alternator is compatible with 1998-2004 Nissan Frontier and 2000-2004 Nissan Xterra applications. The MPA Electrical remanufactured line focuses on replacement electrical components restored to meet the needs of direct-fit charging system service.

Key Features

• 70 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• Internal fan design
• Clockwise rotation
• 1-groove V-belt pulley
• Manufacturer listed as Hitachi
• Part number 13778 for ordering and cross-reference

Detailed Description

MPA Electrical 13778 is a remanufactured alternator for Nissan Frontier and Nissan Xterra models within the listed year ranges. It matches the specified electrical and mechanical configuration, including 70 amps, 12 volts, internal regulation, internal cooling fan, and clockwise rotation. The 1-groove V-belt pulley supports the belt setup used in the covered applications, making this unit a direct replacement choice for charging-system service on these vehicles. This part cross-references BBB Industries 13778 for the same application.

What It Helps Address

• Low battery charging caused by a worn alternator
• Battery warning light concerns tied to charging output
• Dim lights or electrical instability from weak system voltage
• Noise or bearing wear associated with alternator failure
• Charging-system replacement needs on Nissan Frontier and Xterra models

Installation Notes and Tips

Verify pulley style, rotation, amperage, and regulator type against the original unit before installation. Confirm belt alignment and electrical connections during replacement, and inspect the battery and charging circuit for related wear that can affect alternator performance. Fits 1998-2004 Nissan Frontier, N/A. Fits 2000-2004 Nissan Xterra, N/A.

Quality Assurance

MPA Electrical remanufactured components are built for replacement use in the specified applications and are identified by part number 13778 for accurate catalog matching. Confirm vehicle year, model, and charging-system configuration before ordering.