Siam K.
8/5/2025
Came here to get. 3.91 gear ration installed for my BMW E46 M3, Eddie and his team came highly recommended from a respected shop so I scheduled time and to drop off and get the install done. Jose...
Unitrax Differentials
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2365 Railroad St
Corona, CA 92880
Unitrax Differentials, located in Corona, CA, has been servicing Southern California for over 37 years, specializing in expert differential repairs, rebuilds, and upgrades. They offer a comprehensive range of services, from repairs to upgrades and even ratio changes, to ensure your differential is in top shape. Whether you're an off-road enthusiast looking for optimized traction or a performance-driven individual seeking to unlock your vehicle's potential, Unitrax Differentials has the expertise to meet your needs.
With a focus on precision and quality, Unitrax Differentials has successfully transformed vehicles by providing reliable fixes and using high-quality parts. Their expertise extends to all things axle and differentials, making them the go-to destination for off-road performance enhancements and resolving rear end issues. Trust Unitrax Differentials to deliver expert solutions that improve traction, enhance performance, and ensure a smooth ride for your vehicle.
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Reviews
4.539 reviewsMike C.
7/26/2025
This place is great! Had to have my f350 rear differential rebuilt and the front new bearings and seals. They did a great job at a fair price. Talk to Mark he's great to deal with and kept me...
Roger W.
8/28/2025
I just got off the phone with Eddy at Unitrax. I have not bought anything from them at this time, but Eddy took the time to talk to me about the problem I am having with my project. I feel that if...
C S.
6/12/2025
BIG thank you to Eddie and a shoutout to Paul for making the best out of a dreadful repair. I have a classic car which experienced a failed differential. Unitrax was a name that came up regularly...
Suvachai W.
4/22/2024
Long-time customer of Unitrax since 2013. Got a few differential setups for different Miatas and 86/FRS/BRZs over the years; a couple of them went to set road race circuit lap records and win...
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