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 percent lockup when you need it, giving you the ultimate in driver selectability.
Details:

• Seal housing for Ford 10.25 inch and 10.5 inch
• For Yukon Zip Locker
• Includes o-rings
• 1 year warranty against manufacturer defect
• Sold As A Kit

Fits Vehicles:

• Ford E-250 3/4 Ton (1985 - 2010)
• Ford E-350 1 Ton (1985 - 2010)
• Ford E-450 (2000 - 2010)
• Ford E-550 (2002 - 2003)
• Ford Excursion (2000 - 2005)
• Ford F-150 1/2 Ton (2000 - 2010)
• Ford F-250 3/4 Ton (1985 - 1999)
• Ford F-250 Super Duty 3/4 Ton (1997 - 2010)
• Ford F-350 1 Ton (1985 - 1997)
• Ford F-350 Super Duty 1 Ton (1997 - 2010)