Yukon Gear Grizzly Rear Locker, 2001-2019 LB7/LLY/LBZ/LMM/LML/L5P

Part# YGLGM11.5-30

$1,599.89 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML/L5P Duramax Diesel

Everything about the Yukon Grizzly Locker is hardcore, the casing and gears, advanced gear tooth design, and its impact on traction and performance. The mechanical positive-locking differential is engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns.


  • 350% greater strength versus back-cut designs
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Designed for serious driving conditions
  • Larger teeth resist breakage caused by shock-loading or catastrophic axle failure
  • Assembled in the USA


  • Yukon Grizzly Locker for AAM 11.5" rear differential