BBB Industries 52040 Starter

Reman Starter for Mazda Applications

BBB Industries REMAN STARTER 52040 is a 12-volt remanufactured starter built with a permanent magnet gear reduction design and an attached solenoid. It uses a closed nose cone, clockwise rotation, and an 11-tooth pinion for direct replacement service on select Mazda vehicles.

Compatible with Mazda 3, Mazda 3 Sport, Mazda CX-30, Mazda CX-5, and Mazda 6 applications, this BBB Industries starter is built for OE-style fitment where the original unit uses Mitsubishi engineering. Part number 52040 is a practical choice for drivers replacing a worn starter on covered Mazda models.

Key Features

• 12-volt remanufactured starter assembly
• Permanent magnet gear reduction design for compact starting performance
• Attached solenoid and starter drive included
• Closed nose cone construction
• Clockwise rotation
• 11-pin tooth starter drive
• OE manufacturer reference: Mitsubishi
• Cross-reference part number: M0T39671

Detailed Product Overview

BBB Industries REMAN STARTER 52040 is engineered as a remanufactured replacement starter for select Mazda vehicles that require a Mitsubishi-style OE configuration. The permanent magnet gear reduction design supports efficient cranking in a compact package, while the included solenoid and starter drive simplify replacement of the complete starter assembly. This part number 52040 is listed for Mazda 3, Mazda 3 Sport, Mazda CX-30, Mazda CX-5, and Mazda 6 model years shown in the fitment data.

This part cross-references Mitsubishi-style OE numbers such as M0T39671 for the same application.

Vehicle Fitment

• Fits 2017-2022 Mazda 3, N/A
• Fits 2014 Mazda 3, N/A
• Fits 2017-2022 Mazda 3 Sport, N/A
• Fits 2014 Mazda 3 Sport, N/A
• Fits 2020-2022 Mazda CX-30, N/A
• Fits 2014-2022 Mazda CX-5, N/A
• Fits 2014-2021 Mazda 6, N/A
• Fits 2015-2016 Mazda 3, N/A; Mfd in Japan
• Fits 2015-2016 Mazda 3 Sport, N/A; Mfd in Japan

What It Helps Resolve

• Slow or weak engine cranking
• No-start condition caused by starter failure
• Intermittent starter engagement
• Grinding or worn starter drive symptoms
• Electrical starting issues on covered Mazda models

Installation Notes

Verify the original starter configuration before installation, including clockwise rotation, 12-volt system requirements, closed nose cone style, and 11-tooth pinion count. Mounting bolts and shims are not included, so reuse or source the correct hardware as needed. Confirm vehicle-specific fitment for Mazda 3, Mazda 3 Sport, Mazda CX-30, Mazda CX-5, or Mazda 6 applications before final installation.

Quality Assurance

BBB Industries remanufactured starters are built to meet application-specific replacement needs using OE-referenced design details. This unit follows the listed Mitsubishi OE manufacturer configuration for the covered Mazda applications.