Sea-Doo 4-Wire DESS Post – Aftermarket Replaces OEM# 278002325 / 278002773
This genuine Sea-Doo 4-Wire DESS Post (OEM# 278002325, 278002773) is a factory-grade replacement part designed to ensure reliable communication between your DESS key and watercraft ignition system. It includes a nut for secure installation and is compatible with both 3-wire and 4-wire DESS systems—when used on a 3-wire system, the purple or blue wire (depending on batch) is not required.
Perfectly suited for a wide range of Sea-Doo models from 2 Stroke and 4 1997 – 4 Tec 2002 2012–2014, including GTI, GTI SE, GTI LTD, GTR, GTS, GTX, RXP-X, RXT, and WAKE series, this component guarantees OEM fit, function, and long-lasting electrical performance.

Key Features:
Genuine Sea-Doo part – OEM# 278002325, 278002773
Compatible with both 3-wire and 4-wire DESS systems
Ensures secure key recognition and ignition reliability
Includes nut for easy and firm installation
Suitable for Sea-Doo GTI, GTR, GTX, RXP-X, RXT, and WAKE models (2012–2014)
Built to Sea-Doo’s OEM specifications for optimal durability and performance