MPA Electrical 13956N Alternator

OE-Style Alternator for Lexus and Toyota

MPA Electrical 13956N is a 12-volt, 100-amp alternator built with an internal regulator and internal fan for steady charging performance. It uses a 6-groove serpentine pulley, clockwise rotation, and a 2:30 clock position for direct-fit replacement in supported Lexus and Toyota applications.

Compatible with 2002-2003 Lexus ES300, 2001-2003 Lexus RX300 without towing package, 2002-2003 Toyota Camry, 2000 Lexus RX300, and 1999 Lexus RX300 second production with 57mm pulley. The MPA Electrical New line focuses on replacement electrical components for common charging-system service needs.

Key Features

• 100 amps output for standard charging-system replacement
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• 6-groove serpentine pulley for belt-driven applications
• Clockwise rotation with 2:30 clock position
• OE-style fitment for Lexus ES300, Lexus RX300, and Toyota Camry applications

Detailed Description

MPA Electrical part number 13956N is an alternator replacement for select Lexus and Toyota vehicles equipped with a Nippondenso-style charging system. Its 100-amp output, internal regulator, and 12-volt design support stable electrical system operation, while the 6-groove serpentine pulley and clockwise rotation match the listed applications. Use part number 13956N when searching for a direct replacement for 2002-2003 Lexus ES300, 2001-2003 Lexus RX300, and 2002-2003 Toyota Camry charging-system service.

This part cross-references BBB Industries 13956 for the same application.

What It Helps Address

• Battery warning light caused by weak alternator output
• Low charging voltage during driving or idle
• Electrical accessories that dim or operate inconsistently
• Charging-system noise related to alternator wear
• Starting issues tied to insufficient system charging

Installation Notes and Tips

Verify pulley groove count, rotation, clock position, and vehicle-specific fitment before installation. Confirm the application details for 2001-2003 Lexus RX300 models, including the note for vehicles without the towing package and the 1999 second-production RX300 with 57mm pulley. Inspect the belt, battery condition, and charging connections during alternator replacement to help ensure proper system operation.

Quality Assurance

MPA Electrical New replacement components are built for direct-fit service in listed applications and are identified by OE-style specifications for the supported Lexus and Toyota charging systems.