Product Description Looking for a reliable aftermarket solution to restore your loader's hydraulic performance? This high-quality 707-99-73140 Dump Cylinder Seal Kit is precision-engineered to fit Komatsu WA420-3 wheel loaders. Built for demanding heavy-duty operations, the kit features premium Polyurethane (PU) rod seals, wear-resistant NBR O-rings, and heat-stabilized PTFE backup rings...