Yukon Zip Locker for Dana 30 with 27 spline axles, 3.73 & up

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Jeep YJ

Product Details

The Yukon Zip Locker is the latest in on-demand traction.
Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability.
This is the same locker Tony is using in his Foreshock Jeep YJ.

  • On the fly selectable Air locker (similar to ARB).
  • Fits Dana 30 front axle housings with 27 spline axle shafts.
  • 3.73, 4.11, 4.56, 4.88 ratios only.
  • Forged case and 8620 internals for added strength.
  • Works with a variety of air delivery systems.
  • Includes air line and on/off rocker switch.
  • Assembled in the USA.

Technical Notes:

This unit is drilled for 7/16" ring gear bolts. If you are using it in an application which has 3/8" ring gear bolts, please purchase qty 10 of part number YSPBLT-027 to sleeve the ring gear bolts.
Requires SK 30214 carrier shims, which includes new carrier bearings.
We recommend one piece CrMo axle shaft kit for the Jeep Wrangler YJ (to eliminate vacuum disconnect) p/n: YA W24110
Also available is the Yukon H.D. Dana 30 Diff cover YHCC-D30.
Warranty Information
6 year warranty against Manufacturer defects


  • Jeep Wrangler YJ, TJ, LJ, JK (1981-2017)
  • Jeep CJ5 (1971-1983)
  • Jeep Grand Cherokee (1993-2004)
  • Jeep Liberty (2002-2007)
  • Jeep CJ6 (1966-1975)
  • Jeep Comanche (1986-1992)
  • Jeep CJ7 (1976-1987)

Compatible Differentials

  • Dana 30 Front, Crush Sleeve Design, TJ Wrangler
  • Dana 30 Front, JK Non Rubicon
  • Dana "Super" 30, Jeep & Chrysler Front
  • Dana "Super" 30, Jeep Liberty KJ
  • Dana 30 / 186mm Front, Jeep JL
  • Dana 30 Front, Crush Sleeve Design, Grand Cherokee
  • Dana 30 Front, Standard Rotation