Sierra 18-5432 Mercruiser V-6 Rotor Assembly Sierra high-quality engine parts are designed to meet OEM speficiations. Fits GM V-6 engines with Thunderbolt IV V HEI Ignition. Interchangeable with GLM 71070 Mallory 9-29218 Mercruiser Stern Drive 13524A6 13524A4 19405A4 90576A5 13524Q06 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Product MPN 18-5432 Product UPC 030999319319 Fast Ship In Stock Ships Today