Don’t settle for aftermarket. Factory MERCURY part 99157T2 provides factory engineering designed for your exact engine — exactly what your engine was designed around. Your engine deserves better than cheap knockoffs. Aftermarket parts often fail when you need them most. Factory MERCURY components meet exact specifications using materials proven in harsh marine conditions — saltwater spray, relentless vibration, intense UV exposure. Aftermarket parts simply don’t deliver the same reliable performance and longevity. Invest in MERCURY factory part 99157T2 for reliable performance you can count on. Reliability you can trust. Genuine OEM means staying on the water longer and dealing with fewer unexpected failures. That’s 40+ years of marine industry experience talking. FITS: Mercury/Mariner 4-Stroke: 8 HP (serial numbers 0P086824 through 0P400999) 9.9 HP (323cc) BigFoot (USA 0G760300-0T979999 / BEL 0P075166-0P325499) 15 HP (323cc) BigFoot (USA 0G590000 & up / BEL 997311 & up) STAY OUT ON THE WATER LONGER WITH GENUINE OEM PARTS FROM US BOATWORKS. Over 2 million parts in stock including NLA and hard-to-find parts. Can’t find what you’re looking for? Call or text us: 913-342-0011