✅【Fitment adillac CTS】DOFOCH Rear Differential Assembly Compatible with Cadillac CTS AWD 2014-2019 2.0 LITER & 3.6 LITER. L4. ✅【Replaces Part Number】DOFOCH Rear Differential Axle Carrier: 84110755 23156301 440-1509. Package includes: 1 X Rear Differential Axle Carrier. ✅【Why You Replaces Differential?】It reduces friction losses between the tyre and the ground, and also helps to improve vehicle handling, stability and smoothness of ride. It plays a vital role in improving vehicle performance, extending tyre life and optimising the driving experience. ✅【High Quality & Directly Replace】These differential undergo harsh testing. Superior materials and rigorous quality control standards are utilized to meet or exceed OE specifications. Direct replacement, easy plug & play installation. ✅【Warranty】DOFOCH offers 1 Year Limited Warranty, if the parts fails on your vehicles, please free contact us for a replacement or a refund, we will try our best to solve the problems for you.