Reliable. The differential and other important parts of your vehicle's powertrain system may be damaged if the seal fails, which might result in a considerable loss of differential oil. You can help make sure that your Charger is operating safely and smoothly by selecting the proper left or right rear axle shaft seal and changing it early.Installation. Putting this Axle Shaft Seal; Left or Right Rear on your HEMI Charger is easy and requires no drilling.Application. The Axle Shaft Seal; Left or Right Rear fits 2006-2008 5.7L HEMI Charger models.