MPA Electrical 10313 Alternator

Remanufactured Alternator for Lexus V8 Applications

MPA Electrical Part Number 10313 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for Lexus performance models that use a Nippondenso-style charging system, including Lexus IS500, RC F, and GS F applications.

This alternator includes an internal regulator, internal fan, and a clockwise rotation design with a serpentine pulley. The decoupled clutch pulley and 6-groove pulley setup support proper belt operation in the original charging system layout.

Key Features

• Remanufactured alternator for OE-style replacement
• 12.0-volt electrical output
• Internal regulator and internal fan design
• Clockwise rotation
• Serpentine pulley with 6 grooves
• Pulley included
• Decoupled clutch pulley included
• Nippondenso family construction
• Plug clock rear view main mounting ear at 6 o'clock, 12

Product Details

MPA Electrical 10313 is a remanufactured alternator for Lexus charging system service where OE-style fitment and electrical compatibility matter. It is built for 2022-2025 Lexus IS500, 2015-2024 Lexus RC F, and 2016-2020 Lexus GS F applications. This part cross-references 27060-38120 for the same application.

The remanufactured product line focuses on restoring the alternator to OE fit, form, and function using remanufacturing and testing processes intended to verify quality before installation. For Lexus IS500, Lexus RC F, and Lexus GS F owners, Part Number 10313 provides a direct replacement option for the original charging unit.

Common Issues This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage during engine operation
• Electrical system instability from a failing charging unit
• Noise or pulley-related wear in the alternator assembly
• Charging problems tied to internal regulator failure

Installation Notes

Verify pulley style, rotation direction, connector clocking, and mounting ear orientation before installation. Confirm the vehicle uses a Nippondenso-family alternator with a serpentine belt drive and 6-groove pulley layout. Match the original electrical connection and mounting points on Lexus IS500, RC F, and GS F applications to ensure proper fitment.

Quality Assurance

MPA Electrical remanufactured alternators are processed to OE fit, form, and function standards and tested with current remanufacturing equipment to support reliable replacement performance.