Bosch SR4318X Starter

Bosch SR4318X Starter for Subaru

The Bosch SR4318X is a remanufactured 12-volt starter built for Subaru Outback and Subaru Legacy applications from 2005-2008 and 2005-2007. It is designed for direct replacement use where reliable cranking performance and OE-style fitment matter.

Key Features

• Remanufactured Bosch starter with a 12V electrical design
• 1 power rating for starting-system service
• Counterclockwise starter rotation
• Closed nose design with aluminum nose cone and aluminum finish
• Solenoid attached for streamlined replacement
• 9-tooth drive configuration
• 2 mounting bolt holes for application-specific fitment

Product Details

Bosch Premium Starters are remanufactured, assembled, and tested to support dependable starting performance and consistent operation. The SR4318X is built for Subaru vehicles that use a counterclockwise-rotation starter with a closed nose housing and attached solenoid. This part number, SR4318X, also cross-references Subaru OE part number 23300AA48A for the same application.

Compatible With 2005-2008 Subaru Outback and 2005-2007 Subaru Legacy, this starter is a focused replacement for vehicles experiencing slow cranking, no-start conditions, or starter engagement issues. The Bosch SR4318X is a practical choice when you need a remanufactured starter that matches the original electrical and mounting requirements.

Common Issues This Starter Can Address

• Engine cranks slowly or intermittently
• No-start condition caused by starter failure
• Starter motor does not engage properly
• Clicking during start-up with no engine turnover
• Wear-related starting-system performance loss

Installation Notes and Tips

Verify the vehicle’s original starter rotation, tooth count, and mounting configuration before installation. This Bosch SR4318X does not include mounting hardware or shims, so reuse or source the correct vehicle-specific components as needed. Confirm battery condition, cable integrity, and charging-system output during diagnosis to avoid replacing a starter for an unrelated electrical fault.

Quality Assurance

Bosch remanufactured starters are built and tested to meet application-specific starting requirements. The SR4318X is intended for Subaru Outback and Subaru Legacy fitments listed above and follows Bosch’s established remanufacturing process for electrical starting components.