Finding Your Ring Gear Size by VIN the Easy Way

Trying to find your ring gear size by vin is usually the first step when you're gearing up for a diff rebuild or a performance gear swap. It's one of those tasks that sounds like it should be a five-second Google search, but as anyone who has spent an afternoon covered in gear oil knows, it can sometimes turn into a bit of a rabbit hole. The VIN is essentially your vehicle's DNA, and buried inside that 17-digit string of numbers and letters is the secret to exactly what axle was bolted onto the frame at the factory. ...

February 15, 2026 · 7 min · Schravesande Inma