New Mercury & Mariner 2-Cylinder Outboard Internal Wiring Harnesses

Find the right 2-Cylinder internal engine wiring harnesses for your Mercury and Mariner outboard motors at OBParts. Our selection includes OEM-quality and replacement wiring kits designed to restore reliable ignition and electrical performance in older 2-stroke engines. Each wiring harness is manufactured to meet or exceed factory specifications, ensuring proper fit, durability, and dependable operation. Whether you’re repairing a corroded connector, replacing brittle or damaged wiring, or fully restoring an older outboard, these harnesses provide a plug-and-play solution that simplifies installation and reduces downtime.