Seller notes

This original ECU Harness Coupling Nut is a replacement for any Mercury Racing / Mercury Marine / Mariner 150, 175, 200, 225, 260 ROS, 280, 300 Drag, S3000, and F1; including 2.0, 2.4, 2.5 Liter 2-Stroke V6 outboards. Fits both XRi, Laser (front-injected), and Race ROS (side-injected) outboard motors. Our connector coupling ring nut snaps into place on all the 16-pin EFI ECU Harness manufactured, to replace your original nut, which tends to get brittle and break over time. Mercury OEM Harness Pa...

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