7″ Spark Plug Wire – Fits Mercury Marine 150-200 HP Outboard Motors (Replaces 84-813715A1)
This 7-inch spark plug ignition wire is designed for Mercury Marine 150-200 HP V6 outboard motors manufactured between 1970 and 1988, including engines from the V-150, V-175, and V-200 series. It ensures a reliable electrical connection between the ignition coil or distributor and the spark plug for consistent engine performance.
Direct replacements include Mercury 84-813715A1, Sierra 18-8819, Mercury 90816A25, Mercury 93475A25, Mercury 99215A25, and Mercury 99215A29.
- Includes one 7-inch spark plug wire
- Suitable for 2-stroke Mercury outboard engines
- Installation is a direct replacement
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Mercury | 84-813715A1 |
| Sierra | 18-8819 |
| Mercury | 90816A25 |
| Mercury | 93475A25 |
| Mercury | 99215A25 |
| Mercury | 99215A29 |








