420864220 Seadoo Engine Harness | Genuine Used Part

🔧 Product Description

Genuine Sea-Doo Engine Wiring Harness - Part Number: 420864220

This genuine Sea-Doo engine wiring harness is used in the electrical system on selected Sea-Doo 4-TEC models. It connects engine sensors, ignition, charging, fuel-injection and control components to the main electrical system through the factory engine loom.

⚙️ Key Features

• Genuine Sea-Doo engine wiring harness

• OEM part number 420864220

• Factory engine electrical harness assembly

• Connects engine sensors and control components

• Direct-fit OEM harness for listed Sea-Doo 4-TEC electrical assemblies

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• No available supersession chain

OEM / Related Numbers:

• 420864220

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Sea-Doo 4-TEC engine electrical harness assemblies

Typically suits:

• Engine models:

• 2011 GTX 215 — Engine Harness

• 2011 GTX iS 215 — Engine Harness

• 2011 GTX Limited iS 260 — Engine Harness

• 2011 RXT 260 & RS — Engine Harness

• 2011 RXT iS 260 — Engine Harness

• 2011 RXT-X 260 & RS — Engine Harness

• 2011 WAKE PRO 215 — Engine Harness

• 2012 GTX 215 — Engine Harness

• 2012 GTX Limited iS 260 — Engine Harness

• 2012 RXT 260 / RXT-X 260 — Engine Harness

• HP Range: Approximately 215HP - 260HP

• Engine Type: Sea-Doo Rotax 1503 4-TEC Engine Electrical System

• Year Range: Approximately 2011 - 2012

🔌 Function

The engine harness carries sensor, injector, ignition, charging and control signals between the engine and the craft's electrical system.

Common signs of failure:

• Intermittent electrical faults

• Check engine warning or fault codes

• No-start or poor start authorization

• Damaged, corroded or broken connectors

• Harness chafing, heat damage or open circuits

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated