31Y3 20402: SEAL KIT Engine Overhaul Kits Part Name: 4000 Part Name: 4000 Part Name: 77800552 20D 7E General Characteristics Material: PVC (common in seal kits for durability and chemical resistance) Design: Includes seals and components for hydraulic steering systems to prevent fluid leakage and maintain operational efficiency Applications Primarily used in heavy machinery such as: Hydraulic Steering Systems in forklifts and tractors Earthmoving Equipment (e although Hyundai’s OEM kit likely uses PVC Packaging: Typically sold as a complete kit containing multiple seals and components For installation or compatibility verification