The Granit RE507852Z piston ring set is a high-quality aftermarket component designed as a direct replacement for John Deere OEM part RE507852Z. This set is engineered for engines with a 106.5 mm bore, featuring three rings with thicknesses of 3.0 mm, 2.5 mm, and 3.0 mm respectively. It provides reliable sealing and contributes to efficient engine operation across a wide range of John Deere agricultural and construction machinery, including various tractor, combine, sprayer, and excavator models.