Description
SIERRA Mercury 4-Cylinder Straight-Arm Trigger – 18-99390 is the rotating-timing pickup assembly used to signal ignition timing on selected Mercury/Mariner 30 Jet, 40, 45, 50, 80 and 85 HP 4-cylinder outboards.
Features
- Application: selected Mercury/Mariner 30 Jet, 40, 45, 50, 80 and 85 HP 4-cylinder outboards
- Trigger configuration: straight-arm
- Replaces Mercury references 73372A1, 73410A1, 76681A1, 77000A2, 96452A1/A4/A5
- Provides timing-pulse input to the matching switch-box ignition system
- Legacy CDI interchange: CDI 134-6452
Specifications
- Application: selected Mercury/Mariner 30 Jet, 40, 45, 50, 80 and 85 HP 4-cylinder outboards
- Component: Ignition trigger
- Configuration: straight-arm
- OE references: 73372A1, 73410A1, 76681A1, 77000A2, 96452A1/A4/A5
- Part number: 18-99390
Interchange
- 73372A1, 73410A1, 76681A1, 77000A2, 96452A1/A4/A5
- CDI 134-6452

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