JCB 99100156 Steering Cylinder Seal Kit Assembly

The JCB 99100156 seal kit is engineered for hydraulic steering cylinder repair on JCB backhoe loaders. It contains all necessary seals to rebuild the steering ram cylinder with 75 mm bore diameter and 45 mm rod diameter. The kit includes piston seals, rod seals, wiper seals, wear rings, and O-rings manufactured from NBR, PTFE, and polyurethane materials for hydraulic oil compatibility and pressure resistance. Designed to meet or exceed OEM specifications, this kit provides direct replacement for JCB part numbers 991/00156, 991-00156, and 99100156. It restores sealing integrity to prevent hydraulic fluid leakage and maintain steering system performance under heavy-duty construction equipment operating conditions.