1999-2016 Ford Limited slip differential for the 11.25" rear end in the F-250/F-350 & F-450 Super Duty trucks. Brand new in the Ford box with all hardware. Ford part number F18Z-4026-A. This is a $1250 differential. We only have 1 at this price. This is heavy, our cart system calculates shipping using priority mail so contact use before purchasing for other shipping options as I'm sure we can find a cheaper alternative.