If you need to replace the hydraulic pump seal on your Bobcat equipment, this is the exact part you're looking for! This seal replaces part numbers 6678226, 6673881, and 6650639. It fits a ton of Bobcat models including skid steer loaders like the 753, 763, 863, 864, S175, S650, S740 and compact track loaders like the T650, T770, and many more. The black seal is made to original specifications so it fits perfectly without any modification. Installation is straightforward - just remove the old seal and press this new one into place. Having the right seal is crucial for keeping your hydraulic system running properly and preventing leaks. If you're experiencing hydraulic fluid leaks or decreased performance, this seal might be what you need to get your equipment back in working order. Always double-check compatibility with your specific model before ordering, but this seal covers most common Bobcat machines. If you're doing your own equipment maintenance, this is one of those replacement parts that can save you a ton on repair costs compared to taking it to a dealer. Seriously, if your Bobcat is leaking hydraulic fluid, this affordable seal could be the simple fix you need.