Skid Steer Hydraulic System Parts | Filters, Cylinder Seal Quick view Add to Cart. Fits Bobcat®. Main Valve Spool Rod Seal for Bobcat Skid Steer 743 751 753 763 7753 773 863 873 883 963 S100 S130 S150 S160 S175 S185 S205 S220 S250 S300 S330 T110 T140 T180 T190 T200 T250 T300 T320 A250 A300 | Replaces OEM # 6683274 $6. Quick view Add to Cart. Genuine Bobcat Parts | Free Shipping | Hydraulic System Bobcat is a Doosan company. Doosan is a global leader in construction equipment, power and water solutions, engines, and engineering, proudly serving customers and communities for more than a century.