The STIHL 47700071051 Piston Seal Kit is a genuine OEM replacement part designed to restore the sealing integrity of the piston in compatible STIHL pressure washers. This kit ensures efficient operation, prevents leaks, and maintains optimal pressure for a wide range of STIHL RE series models, including RE 88, RE 90, RE 98, RE 108, RE 109, RE 118, RE 119, RE 128 PLUS, RE 129 PLUS, RE 140, RE 141, RE 142, RE 143, RE 160, RE 161, RE 162, RE 163, RE 271, RE 281, RE 361, RE 362, RE 461, and RE 462. Made with high-quality materials for durability and a precise fit, this kit is essential for maintaining the performance and longevity of your STIHL pressure washer.