Collection: Auto - differential pinion

Ensure a perfect gear mesh and quiet operation with our selection of Auto Differential Pinion components. At DIY Customs, we provide high-quality pinion gears, precision bearings, durable seals, and heavy-duty pinion shafts designed for a seamless fit. Whether you are setting up a new ring and pinion set or replacing a leaking pinion seal, our professional-grade hardware—including shims, crush spacers, and setup kits—offers the accuracy and strength you need at unbeatable prices. Protect your axle’s longevity with our top-tier drivetrain gear. Don't see the specific pinion flange, nut, or support for your differential? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!