CDI Switch Box Assembly for Older 4 and 6 Cyl Mercury Outboard Engines.
- Mercury 332-2986A-5,7,9,10,21,25,27
- Sierra 18-5779
- CDI 114-2803
- Most 1967-1977 4 & 6 cylinder engines
No RPM Limit or Tachometer Output
CDI’s Limited Warranty covers defects in material or workmanship on new CDI Electronics products generally for a period of 2 years from the purchase date. (Certain Exceptions apply)