Keep your 4-cylinder marine engine running at peak performance with this essential tune-up kit. Featuring a replacement cap and rotor specifically engineered for Delco EST HEI module-in-cap distributors, this kit delivers the reliable ignition components your Sierra engine needs for smooth, consistent operation. Quick to install and built to last, it’s the smart choice for preventative maintenance.
For 4 cylinder Delco EST distributors
Includes 18-5361 distributor cap and 18-5406 rotor
Additional Information
Maintaining your marine engine’s ignition system is critical for a smooth, reliable experience on the water.The Sierra 18-5280 Tune Up Kit is specifically engineered for 4-cylinder engines equipped with Delco EST (Electronic Spark Timing) ignitions.Whether you are dealing with a rough idle or performing routine seasonal maintenance, this kit provides the essential components to keep your vessel running at peak performance.
What’s Included in the Sierra 18-5280 Kit
This professional-grade tune-up kit is designed to replace worn-out ignition components that degrade over time due to heat, moisture, and electrical arc-over. The kit includes:
