Sierra 18-5406 Distributor Rotor for GM 4-Cylinder Marine Engines

The Sierra 118-5406 is a high-quality distributor rotor designed for GM 4-cylinder marine engines equipped with Delco EST (Electronic Spark Timing) ignition systems. This precision-engineered component is manufactured to meet or exceed OEM specifications, ensuring reliable ignition performance for inboard, stern drive, and sterndrive applications.

Key Features:

• Designed for GM 4-cylinder engines with Delco EST HEI ignition
• Engineered to OEM specifications for reliable performance
• Compatible with Crusader, MerCruiser, OMC, and Volvo Penta marine engines
• Use with Sierra 18-5361 distributor cap for complete replacement
• Fits 3.0L LX and other 4-cylinder marine applications

Replaces OEM Part Numbers:

• MerCruiser: 811636, 811636-1, 898253011, 8M6001254, 802468
• OMC: 986651, 3854261
• Volvo Penta: 3854261, 3854261-9
• Mallory: 9-29220
• GLM: 71120

This rotor is a critical component of your marine engine's ignition system, transferring voltage from the ignition coil to the distributor cap terminals for precise spark delivery.