One New DTA Aftermarket Rear Coil-over Shock Absorber. Featuring high quality multi-lip seals, adjustable springs, and a robust twin tube design, this shock absorber provides an improvement in performance, durability and ride comfort over OEM shocks. Compatible With 1997-1999 Yamaha Big Bear 350 4x4 - YFM350FWB* 2000-2006 Big Bear 400 All - YFM400 YFM400F 1999 Kodiak 4WD - YFM400FW Will NOT fit 2WD models, 1997 YFM350FW, or 1999 YFM350FWX Replaces OEM# 4WU-22210-00-00, 5FT-22210-01-33, 5FU-F2210-10-00