Aftermarket Mercruiser Mallory Electronic Distributor Ignition Module
The Sierra 18-5494-2 Electronic Distributor is for compatible Chevrolet / GM V8 big-block marine ignition applications listed below.
For:Â Chevrolet all V8 includes 482, 502, 540 CID (except 348, 409 & Tall Deck Big Block)
Rotation:Â Conventional
Designed for 12 volt negative ground systems
Combines the triggering device and amplifier into a single unit that sits inside distributor housing
No moving parts to wear out
Time tested reliability you need in extreme marine conditions
A simple wiring hook up allows this system to fit a wide variety of marine applications
This ignition system drives both original equipment and high performance coils
Improved performance and combustion efficiency
Improved spark plug life
Accurate spark timing
Reduced maintenance
Easy installation
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-5494-2?
Sierra 18-5494-2 is an aftermarket distributor for Mercruiser applications.
Which part numbers cross-reference Sierra 18-5494-2?
This listing cross-references Mallory 9-26306 and Mallory YLM624AV. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-5494-2 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.