The MAHLE OE moly piston ring set for John Deere 179/239/359 applications fits a 4.188 in (106.4 mm) bore and is offered as a direct replacement ring set. These moly rings are intended for engine rebuilds to re-establish piston-to-cylinder sealing and control oil ring function. The description identifies exact bore and engine references to ensure correct selection for your overhaul.
Mahle Rings John Deere 179 239 359 4.188in./106.4mm Bore Moly Ring Set