New Mercury & Mariner 3-Cylinder Outboard Internal Wiring Harnesses

This page highlights premium internal engine wiring harnesses designed explicitly for Mercury and Mariner 3-cylinder outboard engines. Crafted for durability, these high-quality harnesses ensure reliable ignition performance for your marine engine. They are part of the Mercury & Mariner Ignition System category, under Internal Wiring Harnesses for 3‑Cylinder engines. ObParts emphasizes fast shipping and expert marine parts support, ensuring smooth and dependable installation for boaters and technicians alike.