Sierra 18-5418 Rotor for Mercruiser, OMC Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications. Fits GM 4 6 Cyl. engines with Delco Conventional Ignition. Interchangeable with Chris-Craft 16.69-00051 GLM 71020 JohnsonEvinrude Outboard 384735 Mallory 9-29202 Mercruiser Stern Drive 898253008 58217 8M6001251 33659 58217Q 58217B OMC Stern Drive 384735 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engi