Description

Sierra’s 18-3960 Piston Ring Set is designed for use in Yamaha outboard applications. It is interchangeable with Mallory 9-54808, Wiseco 2638KD, and Yamaha Outboard 6H4-11610-00-00. Each Sierra product meets or exceeds the original equipment part it replaces.
Size: Standard
Interchangeable with Mallory 9-54808, Wiseco 2638KD, and Yamaha Outboard 6H4-11610-00-00
Includes three piston rings
Each Sierra product meets or exceeds the original equipment part it replaces