USA Standard Gear ZK GM11.5-B Master Overhaul Kit

If you're diving into a differential rebuild for your 2011 and newer GM or Chrysler vehicle, the USA Standard Gear ZK GM11.5-B Master Overhaul Kit is your go-to solution. Designed specifically for 11.5-inch differentials, this kit ensures you have everything you need to complete your installation with confidence and precision.

Fitment

This overhaul kit is compatible with the following models:

• Chevrolet Silverado 2500 (2011-2018)
• Chevrolet Silverado 2500 HD (2019)
• Chevrolet Silverado 3500 (2011-2018)
• Chevrolet Silverado 3500 HD (2019)
• GMC Sierra (2011-2019)
• Ram 2500 (2011-2014 & 2021)
• Ram 3500 (2011-2016)

What's Included?

This comprehensive kit features high-quality components to ensure a reliable rebuild:

• Koyo bearings and races for optimal performance
• Carrier bearings and races
• Pinion bearings and races
• Pinion seal
• Complete shim kit
• Ring gear bolts
• Pinion nut
• Crush sleeve
• Thread locker
• Marking compound with brush
• Gasket

Technical Notes

It's important to note that in mid-2011, the design for the pinion bearing underwent a change. The earlier design had a rear pinion race outer diameter (O.D.) of 4.125 inches, while the later design features an O.D. of 4.375 inches. The ZK GM11.5-B kit is designed to accommodate the 4.375-inch specification, ensuring a perfect fit for your differential.

Warranty

Rest easy knowing that this kit comes with a 1-year warranty against manufacturer defects, providing you with peace of mind as you tackle your installation.

Customer Feedback

Many truck owners have found this kit to be a game changer. For instance, a 2018 Chevrolet Silverado 2500 owner noted, "This overhaul kit made my differential rebuild straightforward. The Koyo bearings are top-notch, and I appreciated having all the necessary components included." Another 2016 Ram 3500 user shared, "Everything fit perfectly, and I had no issues during installation. Highly recommend for anyone looking to refresh their differential!"

Upgrade your differential with the USA Standard Gear ZK GM11.5-B Master Overhaul Kit and experience the difference in performance and reliability!