Bosch SR4307X Starter

Bosch SR4307X Starter for Subaru Applications

The Bosch SR4307X is a remanufactured 12-volt starter built for Subaru starting-system service. It is engineered with a 1.4 kW power rating, a closed aluminum nose cone, and an attached solenoid for direct replacement use.

Compatible with Subaru Impreza, Forester, and Outback applications, this Bosch starter supports reliable engine cranking for select 1993-2003 vehicles. The SR4307X is a practical OE-style replacement for drivers servicing a Subaru Impreza starter, Subaru Forester starter, or Subaru Outback starter.

Key Features

• Remanufactured Bosch starter, part number SR4307X
• 12-volt electrical system with 1.4 kW power rating
• Counterclockwise starter rotation
• Closed nose design with aluminum nose cone and aluminum finish
• Solenoid attached for streamlined replacement
• 9-tooth drive gear
• 2 mounting bolt holes
• Cross-references Subaru OE numbers 23300AA050 and 23300AA300

Product Details

Bosch Premium Starters are built and tested for performance and reliability, and the SR4307X follows that product-line focus with remanufactured construction for starting-system repair. It is designed for select Subaru Impreza, Forester, and Outback models, including Fits 1993-1996 Subaru Impreza, N/A; Fits 1998-2003 Subaru Impreza, N/A; Fits 1998-2002 Subaru Forester, N/A; and Fits 2000 Subaru Outback, N/A. Use the part number SR4307X to confirm application before ordering.

Common Issues This Starter Can Address

• Slow or weak engine cranking
• No-crank condition when the ignition is turned
• Intermittent starter engagement
• Starter noise during engagement
• Replacement of a worn remanufactured or original starter unit

Installation Notes

Verify 12-volt system requirements, counterclockwise rotation, 9-tooth drive count, and the 2-bolt mounting pattern before installation. This starter does not include mounting hardware or shims, so reuse or source the required components as needed. Confirm clearance at the closed nose aluminum housing and match the vehicle application by year, make, and model before final fitment.

Quality Assurance

This Bosch starter is remanufactured and tested as part of Bosch’s starter product line for electrical starting-system service. The SR4307X is built to meet the application requirements of the listed Subaru vehicles and OE cross-reference numbers.