Find Rollin’ Coal Kings, a reliable 4x4 and diesel mechanic in the O'Connor area of Perth. Our knowledgeable specialists provide diesel repair, service and performance enhancements for your vehicle. We provide comprehensive diesel servicing for reliable repairs, from simple oil changes to more complex diagnostics. ECU remapping and custom tune improves throttle response, torque and fuel economy. We are passionate about 4x4s and provide experienced advise and quality workmanship, with a focus on upfront pricing and great customer service. Book a service with us to ensure your vehicle continues to run at its best.