129907-22090 Piston & Ring Set Standard. This part may fit various Yanmar Engine Models: 4TNV98-YTBL, 4TNV98T, 4TNV98T-SFN, 4TNV98-XBV, 4TNV98T-N2FN, 4NTV98T-G, 4NTV98T-G, 4TNV98T-N2FN, 4TNV98-XBV, 4TNV98T-SFN, 4TNV98-YTBL, 4TNV98T, 4TNV98. KIT INCLUDES: 1 Set of Piston Ring, 1 Piston, 2 Clips and 1 Pin. Compatible with the following equipment type models Ditch Witch: DX55 and DX55W Directional Boring Systems; Doosan: D20S-5 and D30S-5 Lift Trucks, DX55, DX55W, DX60R and DX80R Crawler Excavators; Genmac: ALPHA G30YO, STRONG G30YS Generators; Hitachi: ZX60USB-3, ZX60USB-3F, ZX60USBNA-3, ZX65USB-3F, ZX60USB-3, ZX60USB-3F, ZX60USBNA-3 and ZX65USB-3F Excavators; Komatsu: PC80MR-3, PC75R-2 and PC75R-2HD Midi Excavators, PW75R-2 Mobile Excavator, WA90-3 and WA95-3 Wheel Loaders, WB70A-1 Backhoe; RCG Power: R-YM25, R-YM30 and R-YM33 Generators; Takeuchi: TL130 Multi Terrain Loader.