We're an independent transmission shop that's also here for all of your car, truck or SUV’s repairs and maintenance needs. From the most basic services, like changing oil, fluids and filters, to the most complicated issues. We REMOVE, REBUILD AND REINSTALL Foreign and Domestic Automatic Transmissions 12-month 12,000 mile warranty FREE DIAGNOSTICS, as well as free local towing if the work is done here. 4×4 Repair & Services Axle Repair & Replacement Check Engine Light Clutch Repair & Services Drivetrain Electrical Services Engine Diagnostics R-Core Transmission – The One-Stop Shop for Transmission Repair in OKC If you’re searching for transmission repair in OKC, look no further than R-Core Transmission.
The best transmission shop I’ve ever dealt with. Easy going & completes it quickly! I’ve done three with them in total & it’s been great every time!
August 2025
These guys are great. They've been here forever and they know what they're doing. Helpful, knowledgeable and communicative. A+
May 2025
Randy and his team did a fantastic job rebuilding a transmission for one of our moving trucks. The price was fair, they were honest and finished a week before the estimated completion date. Next time I need help with a tranny they’ll be my first call.