[ Home > Accessories > Vehicle Enhancements > Locking Differentials ] Locking Differentials for Additional Traction Eaton Upgrade Kit Electric Lockers from Eaton $4,500.00 Eaton Front Differential Upgrade Front Only for 2003 $2,700.00 Eaton Front Differrential Kit Improved Traction $849.00 Auburn ECTAD "Switch On" Better Traction. $1,795.00 Detroit SofLocker Strong, Automatic Locker. $1,550.00 Rebuilt Torsen Differential Just Like New. $995.00 Copyright© 2003 - 2012 BlueHummer Outfitters All rights reserved. Hummer brand is registered by GM and/or AM General. BlueHummer Outfitters is neither affiliated with nor endorsed by GM and/or AM General. Last Update: May 21, 2012