Aftermarket Mercruiser 8M6001224 Mallory Ignition Rotor
The Sierra 18-5420 Ignition Rotor replaces Mercruiser 47584, Mercruiser 49924, Mercruiser 65864 for Mercruiser applications. It distributes ignition voltage to the correct cylinder through the distributor cap.
Fits:Â Ford & GM V-8 Engines With Autolite & Mercury Ignition
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-5420?
Sierra 18-5420 is an aftermarket ignition rotor for Mercruiser applications.
Which part numbers cross-reference Sierra 18-5420?
This listing cross-references Crusader 3000122, GLM 71030, Mercruiser 47584 and Mercruiser 49924. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-5420 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.