Maximize your time on the water with MERCURY factory part 12066Q10. factory engineering designed for your exact engine — exactly what your engine was designed around. Genuine OEM isn’t just a label — it’s peace of mind on the water. Aftermarket parts often fail when you need them most. MERCURY factory components are manufactured to exacting standards that ensure reliable performance. Marine-grade materials, precision tolerances, rigorous quality control. That’s how you avoid premature failure and enjoy worry-free boating. Choose reliability. Choose MERCURY OEM part 12066Q10. Reliability you can trust. Less time wrenching, more time on the water doing what you love. Forty years of serving boaters proves one thing: genuine factory parts are always the right choice. FITS: Jul 24, 2016 — Starter rope line fits most 4-50hp Mercury or Mariner 2-cycle outboards (1963 through 1985), 20-75hp 2-cycle outboards (1986 and newer), 8.9 4-stroke outboards.Read more FITS: Jul 24, 2016 — Starter rope line fits most 4-50hp Mercury or Mariner 2-cycle outboards (1963 through 1985), 20-75hp 2-cycle outboards (1986 and newer), 8.9 4-stroke outboards.Read more 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