Roy's Transmission Service Logo

Celebrating 47 Years!       



715 S Raymond Avenue, Fullerton, CA 92831
Photo of car on lift in auto shop

Comprehensive Transmission Repair

Roy's Transmission Service has been providing transmission repair services throughout Orange county, California, for more than 40 years. Utilizing our full machine shop and specialty equipment our technicians rebuild and replace all types of transmission systems in Domestic and Foreign vehicles. We also specialize in Classic cars, Street rods and Trucks, we offer performance products from TransGo that can be installed to your existing transmission or at time of repair to enhance the performance and longevity and also improves gas mileage in most cases.

Our Transmission Specialties Include

• Custom rebuilding
• Troubleshooting & Testing
• Performance Enhancements
• Filter & Fluid Changes

Contact us at (855) 317-8553 in Fullerton, California, for complete transmission repair and maintenance services from a team with experience.

TransGo Performance Breakthrough