Bosch SR4229X Starter Motor

Bosch SR4229X Starter for Mazda Applications

The Bosch SR4229X is a remanufactured 12-volt starter built for dependable engine cranking and consistent starting performance. It is a direct-fit starter for select Mazda 3, Mazda 5, Mazda 6, and CX-7 applications, with OE-style mounting and solenoid configuration.

Key Features

• Remanufactured Bosch starter for starting-system replacement
• 12-volt design with 1.5 power rating
• Clockwise starter rotation
• 11-tooth drive gear
• Closed nose design with aluminum nose cone and aluminum finish
• Solenoid attached for streamlined replacement
• 2 mounting bolt holes for OE-style fitment

Product Details

Bosch Premium Starters are remanufactured, built, and tested to deliver reliable performance in everyday driving conditions. The SR4229X starter uses a closed nose aluminum housing, clockwise rotation, and an attached solenoid to match the original starting-system layout on supported Mazda vehicles. This part cross-references Monroe Shocks & Struts (e.g., L32718400) for the same application. For shoppers searching for a Mazda 3 starter, Mazda 5 starter, Mazda 6 starter, or Mazda CX-7 starter, Bosch SR4229X provides a direct replacement option with the correct tooth count and mounting configuration.

Common Starting Problems This Part Can Address

• Engine will not crank when the key is turned
• Slow or weak cranking during startup
• Intermittent no-start condition caused by starter wear
• Grinding or inconsistent starter engagement
• Electrical starting failure from a worn solenoid or drive assembly

Installation Notes

Fits 2006-2010 Mazda 5, N/A. Fits 2004-2009 Mazda 3, N/A. Fits 2007-2009 Mazda CX-7, N/A. Fits 2006-2007 Mazda 6, N/A. Verify the vehicle’s original starter configuration, tooth count, and mounting style before installation. Mounting hardware and shims are not included, so reuse or source the correct components as needed. Confirm battery condition, cable integrity, and charging-system output during replacement to avoid repeat starting issues.

Quality Assurance

Bosch remanufactured starters are built and tested to meet application-specific performance and reliability requirements. The SR4229X is designed as an OE-style replacement for supported Mazda starting systems and is backed by Bosch’s remanufacturing process and quality control standards.