Sierra Marine 185181 Ignition Coil

0.09 Ohms Primary Resistance/ 10 Ohms Secondary Resistance; Green; Single; Fits Mercury Marine/ Johnson/ Evinrude Outboard Engines

Restore dependable ignition performance with the Sierra Marine 185181 Ignition Coil. Designed as a replacement ignition component for compatible marine engine applications, this coil helps transform electrical energy into the high-voltage output required by the ignition system. A properly functioning ignition coil supports consistent spark delivery, helping the engine start and run as intended when paired with the correct ignition components.
Use this Sierra Marine ignition coil when servicing an ignition system affected by hard starting, intermittent operation, weak spark, or an inoperative engine. Replacing a worn or failed coil can help support reliable engine operation and simplify routine marine maintenance. The compact replacement design is suited for installation in applications where part number 185181 is specified, making it important to confirm compatibility before ordering or installation.
Sierra Marine components are developed for marine service and are intended to support the demanding operating conditions found in boating environments. For best results, inspect related ignition parts, wiring, terminals, and connections during installation. Corrosion, damaged insulation, loose connections, or other ignition-system problems may affect performance even after the coil has been replaced. Always follow the engine or equipment manufacturer’s service procedures and safety recommendations.
The Sierra Marine 185181 Ignition Coil is a practical replacement choice for maintenance, repair, and restoration work on compatible marine engines. Verify the application using the manufacturer’s