Genuine Mercury Marine Part.
P/N: 28-16155
Impeller key, for use with 47-161543 impellers.
Typically found on Mercury / Mariner Outboard Engines 4hp, 5hp & 6hp 1-cylinder 2-stroke and 4-Stroke 1987 & Up (not for early, Yamaha based Mariner engines)
Please contact us for more information or to check the application of the part.
