Sierra Marine 18-5231-1 Johnson Evinrude OMC Copper Core Spark Plug Wire 9.5" JE1

Sierra Marine 18-5231-1 Johnson Evinrude OMC Copper Core Spark Plug Wire 9.5"

Double-booted spark plug wire. Replaces BRP 582354, Sierra 18-5230-9-1, 18-5231-1 (formerly CDI 931-2365).

**MAGFORCE Premium Marine Spark Plug Wire**

- Electronics-friendly design protects all onboard devices from RFI and EMI  
- Moisture-proof molded insulators  
- High-quality conductive center with carrier reinforcement for lasting conductor integrity  
- Delivers maximum voltage to the plug  
- High-tensile-strength membrane adds durability and heat resistance  
- 8 mm high-tear-strength silicone jacket rated to 500 °F  
- Pre-greased silicone insulators for easy installation  
- Stainless steel terminals resist corrosion  

Replaces OMC/Johnson/Evinrude 582365  
Replaces Mallory 9-28006