MPA Electrical 12399 Starter Motor

Starter for Lexus GS400, LS400, and SC400

MPA Electrical remanufactured starter Part Number 12399 is built for 12-volt starting systems that require a 2.0 kW, clockwise-rotation unit with an offset gear reduction design. It is a direct-fit replacement for select Lexus GS400, LS400, and SC400 applications, including 1995-2000 Lexus LS400 and 1996-2000 Lexus SC400 coverage.

Key Features

• Remanufactured starter from MPA Electrical
• Part Number 12399 for application matching and cross-reference
• 2.0 kW output for starting-system service
• 12-volt electrical system specification
• Offset gear reduction design
• Clockwise rotation
• 9-tooth starter drive
• Manufactured to Nippondenso specifications

Product Details

MPA Electrical Remanufactured line focuses on rebuilt electrical components for starting and charging repairs. This starter is engineered around the listed OE-style configuration: 12 volts, 2.0 kW, clockwise rotation, 9 teeth, and an offset gear reduction layout. Part Number 12399 is a practical replacement choice for Lexus GS400 starter replacement, Lexus LS400 starter replacement, and Lexus SC400 starter replacement service where the original unit matches these specifications.

This part cross-references BBB Industries 17581 for the same application.

Common Uses

• Engine cranking problems caused by a worn starter motor
• Slow or inconsistent starting on Lexus GS400, LS400, or SC400 models
• No-start conditions related to starter drive or internal electrical wear
• Replacement after starter noise, grinding, or intermittent engagement
• Restoring proper starting performance in 12-volt Nippondenso-style systems

Installation Notes

Verify the vehicle’s year, engine application, rotation, tooth count, and electrical specifications before installation. Confirm that the original starter matches the offset gear reduction design and 9-tooth drive configuration. For fitment, this unit covers 1998-2000 Lexus GS400, 1995-2000 Lexus LS400, 1996-2000 Lexus SC400, and 1995 Lexus SC400 from 5/1995.

• Fits 1998-2000 Lexus GS400, N/A
• Fits 1995-2000 Lexus LS400, N/A
• Fits 1996-2000 Lexus SC400, N/A
• Fits 1995 Lexus SC400, N/A; from 5/1995

Quality Assurance

MPA Electrical remanufactured starters are rebuilt to meet the listed application requirements and OE-style specifications for proper fit and function. Part Number 12399 is identified for the stated Lexus applications and Nippondenso-based starter configuration.