7″ Spark Plug Wire – Fits Mercury Marine 150-200 HP Outboard Motors (R

7″ Spark Plug Wire – Fits Mercury Marine 150-200 HP Outboard Motors (Replaces 18-8819)

This 7-inch spark plug wire is designed for Mercury Marine 150-200 HP V6 outboard motors (1970-1988), including V-150, V-175, and V-200 series engines. It provides a reliable, high-performance connection between the ignition coil/distributor and the spark plug.

This component serves as a direct replacement for Sierra part number 18-8819 and multiple Mercury Marine OEM part numbers, ensuring a precise fit and restoring original performance for your engine’s ignition system.

• Marine-Grade Durability: Constructed with silicone insulation and stainless steel components to resist heat, saltwater corrosion, vibration, and fuel exposure.
• Direct Fit Installation: Designed as a direct replacement part, featuring a terminal end for the coil/distributor and a boot end for the spark plug for a straightforward installation.
• Precise Length: This wire is 7 inches (178 mm) long. Please verify the required length for your specific cylinder, as other lengths may be necessary.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.