Mercury - Gearcase seal kit - 8M0057716 Yamaha Outboard Cowling and Casing Assemblies 8L I4 2012-Present 350 4

8L I4 2012-Present 350 4 Stroke 2007-Present I/O Sterndrive All Models 1989-1993

and tiller boats

The OEM kit installs easily and delivers the reliability needed for high-performance running

• Starboard-Side Mount – Fits performance rigs where right-hand mounting is preferred

but the OEM version stays consistent through real-world heat

Mercury - Gearcase seal kit - 8M0057716 Yamaha Outboard Cowling and Casing Assemblies 8L I4 2012-Present 350 4A properly sealed gearcase is the first line of defense against water intrusion and premature wear, making the Mercury Gearcase Seal Kit (8M0057716) a crucial component for maintaining your outboards performance. Designed specifically for Mercury Mariner 150 EFI FourStroke outboards (serial numbers 1B905505 & up), this OEM kit includes all the necessary seals and gaskets to ensure a watertight and debris free gearcase. Built to withstand the rigors of