Hey SeaDoo owners! If you're dealing with crankshaft seal issues on your watercraft, this replacement end seal kit is exactly what you need. This bad boy fits a ton of SeaDoo models from 1988 through 2001 - we're talking SP, GT, SPI, XP, GTS, SPX, GTX, GTI, GSI, GS, you name it. The applications list is seriously extensive, covering pretty much every popular model from those years. It's an aftermarket part that directly replaces OEM part #009-903, and it's listed as EP-S-009-905 if you're cross-referencing. Perfect for when you're doing maintenance on your 587, 657, 717, or 720 engines and notice those seals are getting worn out. Installation is pretty straightforward if you're mechanically inclined - just make sure you clean everything properly before putting the new seals in. These seals are crucial for keeping your engine running smoothly and preventing oil leaks that could lead to bigger problems down the road. Whether you're a professional mechanic or a DIY enthusiast who loves working on your own watercraft, having these seals on hand can save you from being stuck on shore during prime riding season. The quality is solid and they fit exactly like the original equipment, so no worrying about modifications or weird adjustments needed.