Bosch SR4239X Starter

Reliable Starter for Mazda 3, 5, 6, and CX-7 Vehicles

The Bosch Starter (Remanufactured) SR4239X is designed to provide dependable starting power for select Mazda models. Engineered to meet OEM specifications, this 12-volt starter ensures consistent performance for your Mazda 3, 3 Sport, 5, 6, and CX-7 vehicles.

• Voltage: 12V for standard automotive electrical systems
• Power Rating: 1.4 kW for efficient engine cranking
• Mounting Bolt Hole Quantity: 2 for secure installation
• Nose Cone Material: Aluminum with a closed nose design
• Starter Rotation: Clockwise to match Mazda engine requirements
• Solenoid Attached for integrated operation
• Tooth Quantity: 11 for proper engagement with the flywheel
• Remanufactured unit meeting Bosch quality standards

About the Bosch Starter (Remanufactured) Product Line

The Bosch Starter (Remanufactured) line offers remanufactured starters that undergo rigorous testing and refurbishment to restore functionality and reliability. This product line focuses on providing cost-effective alternatives to new starters while maintaining Bosch’s quality benchmarks. The SR4239X starter is part of this line, ensuring it meets performance and durability standards suitable for Mazda vehicles.

Product Details and Specifications

This remanufactured starter features a durable aluminum nose cone with a closed nose design, enhancing protection against environmental elements. The unit operates at 12 volts with a power rating of 1.4 kW, delivering sufficient torque to crank engines efficiently. It includes an attached solenoid for seamless engagement and has 11 teeth to properly mesh with the flywheel. The starter rotates clockwise, matching the rotation direction required by Mazda 3, 3 Sport, 5, 6, and CX-7 models. The starter is designed with two mounting bolt holes for secure attachment but does not include mounting hardware or shims.

Common Applications and Issues Addressed

• Replacement for faulty or worn-out starters in Mazda 3, 3 Sport, 5, 6, and CX-7
• Resolves engine cranking problems such as slow or no start
• Addresses starter solenoid failures causing intermittent starting issues
• Fixes starter gear engagement problems due to damaged teeth or wear
• Improves starting reliability in vehicles experiencing electrical starting faults

Installation Notes and Tips

Ensure the vehicle battery is fully charged before installation. Verify the starter rotation is clockwise to match the engine’s requirements. Since mounting hardware and shims are not included, retain original components or source compatible parts separately. Follow manufacturer torque specifications for mounting bolts to avoid damage. Confirm proper electrical connections to the attached solenoid for optimal performance.

Quality Assurance and Warranty

This Bosch remanufactured starter undergoes comprehensive testing to meet strict quality standards. It is built to provide reliable starting performance comparable to new units. Warranty coverage details should be confirmed with the point of purchase or Bosch directly, as they may vary by distributor.