Mobil 1 1024901 75W140 Full Synthetic Gear Oil Change Kit,12-Bolt

Helps to extend gear and bearing life due to minimal deposits Improved fuel economy and reduced operating costs Helps to reduce chatter and improve traction Gasket fits 12-bolt GM differentials Premium-grade RTV gasket silicone is effective up to 600°FYou may also like Mobil 1 Delvac Tractor Hydraulic Fluid (5 Gallon Pail).