Fast. Reliable. Trusted Gearbox Experts.
At Rex Diff and Gearbox Durban (RDG), we specialise in the remanufacture and repair of manual and automatic gearboxes, differentials, clutches, propshafts, CV joints, and commercial transmissions — for both passenger and heavy-duty vehicles.
Whether you manage a fleet or own a single vehicle, we deliver fast, high-quality, and cost-effective transmission solutions designed to keep you moving. With our same-day service on many repairs, 1-year warranty, and parts approved by leading vehicle manufacturers, you can count on RDG for reliable performance and peace of mind.
Why Rex Diff and Gearbox Durban
Expert Workmanship
Our technicians are highly skilled in gearbox and differential remanufacture using precision diagnostic tools.
Same-Day Service
Many repairs are completed the same day to get you back on the road faster.
Approved by Leading Brands
Rex Diff and Gearbox is trusted by major automotive manufacturers and warranty providers.
1-Year Warranty
All major repairs are backed by our comprehensive one-year warranty.
Fleet & Commercial Solutions
From cars to trucks and earth-moving equipment, we handle it all.
Our Services Include:
Gearbox Remanufacture & Repairs (Manual & Automatic)
Differential Repairs & Rebuild
Clutch Replacement & Servicing
Propshaft & CV Joint Repairs
Fleet Maintenance & Diagnostics
DSG Gearbox and Mechatronic Specialists
Every repair and service at Rex Diff and Gearbox Durban is meticulously performed to OEM specifications, delivering factory-grade performance and reliability—at a fraction of the cost of dealership replacements.
Trusted by Thousands Across KZN
For over 30 years, Rex Diff and Gearbox has supported drivers, dealerships, and fleet operators with dependable transmission solutions. Our clients trust us for our technical know-how, honesty, and fast turnaround.
We believe in doing it right the first time, ensuring your vehicle runs smoothly — every time.