Expertise that Extends Beyond the Transmission
Transtar is known for our transmission expertise, but we also carry rear, front, 4-wheel and all-wheel drive differential rebuild kits, components and accessories from the brands you know and trust.
Transtar has everything you need to complete your next Differential job. When you partner with Transtar, you get a rich blend of quality parts, expertise, and exceptional customer service, with same or next-day delivery.
Differential Overhaul Kits
Transtar's Differential Overhaul Kits include:
Front and Rear Pinion Bearings, Carrier Bearings, Pinion Nut, Pinion Seal, Crush Sleeve, Gear Marking Compound, and an Application Brush for the Gear Marking Compound. Axle Bearings and Axle seals sold separately specific to application. Learn More
Ring and Pinion Gears
Maximize drivetrain performance with premium ring and pinion gears from the industry’s top ring gear and pinion manufacturers. Transtar offers ring and pinion gears in the ratios, diameters and spline counts you’re looking for to complete your build.
Standard Carriers, Positraction & Limited Slips
When it comes to deciding which differential to use, Transtar carries many limited slip and locking differentials to choose from. Our knowledgeable sales staff is here to help you choose the design that will best serve your customer’s needs.
Axle & Drive Shaft Components
Only original equipment quality components are guaranteed to meet the same specifications as the parts they replace. AAM Aftermarket provides its customers with high quality, reliability, durability and performance in every aftermarket part it sells. AAM designs, engineers, tests and validates components to meet the same exacting specifications as the parts that they replace.
Transtar-branded Synthetic Gear Lubricants cover almost every differential application. Our fully-synthetic multipurpose gear lubricants are made with premium quality synthetic base oils and additives. Learn More