Yukon Gear & Axle (YC D706025-X) Replacement Standard Open Carrier Case for 30-Spline Dana 44 with 3.92 & Upward Axle Ratio 1 Year Warranty High Strength Iron Case Precision Machined for Tight Tolerances Does Not Include Spider Gears This case includes carrier shims, roll pin, ring gear bolts and a cover gasket.