We provide a free estimate based on your description of the problem and usually a test drive by one of our experienced differential technicians.
Exact diagnosis and repair costs will be provided after a thorough disassembly and inspection. The diagnosis is free of charge if the repairs are authorized at that time.
Ring & Pinion Service offers same day service with an appointment for most differential repair and upgrade installations. We have the parts in stock and ready to install today!
GUARANTEED DIFFERENTIAL REPAIR SERVICE
FROM SIMPLE SERVICE TO COMPLETE OVERHAULS AND PERFORMANCE UPGRADES, WE’VE GOT YOU COVERED! WITH DECADES OF COMBINED EXPERIENCE, OUR EXPERTS WILL GET YOU BACK ON THE ROAD.
Essentials
Diagnosing Problems
Gear Ratio Calculator
Frequently Asked Questions
About Us
Featured Products & Specials
Ring & Pinion Polishing – Isotropic Superfinishing
In-House Gear Finishing Service Simply put, Isotropic Superfinishing significantly reduces the surface imperfections that remain after a ring and pinion set ...
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Detroit Locker
The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, bullet-proof design is engineered ...
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Sierra Gear & Axle
Sierra Gear & Axle is our in-house brand of aftermarket gear and axle parts. The Sierra Gear brand covers nearly all of the vehicles that we service. Every Sierra Gear...
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Truetrac Limited-Slip Differentials
The Truetrac Limited-Slip Differential is one of our favorite aftermarket traction devices. The Truetrac provides huge gains in traction and operates so smooth...
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ARB Air Locker
ARB Air Lockers are the ultimate in Selectable Locking Differential technology. Created to provide 100% traction on demand, without sacrificing any of your vehicle’s...
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Testimonials
These guys are awesome! Fixed a leaking pinion seal on my 2000 suburban 4×4. Very quick and high quality service. Mike was very professional and knows what he is talking about. Take your car or truck here for any differential problems you have.
Extremely professional and good quality work. Had them change a pinion seal on a 07 crown vic was in and out in about an hour
I have always had great service and turnaround time with West Coast Differentials/Ring and Pinion service. Highly recommend!!
Replaced the differential to limited slip truetrac. These guys do a great job. Wish there were more stars to give. The shop was recommended to me by Ford dealership who said that these guys know more about differentials than the dealership itself. After seeing how they work – I clearly understand why. Five stars.
These guys are great! Always take care of my service needs. They go above and beyond. If for some reason they don’t stock the parts needed they will outsource them from their competitors if needed.