Sea-Doo 4-TEC Main Engine Wire Harness – Used OEM 278-003-275

Sea-Doo 4-TEC Main Engine Wire Harness – Used OEM

Part Number: 278-003-275
Brand: BRP / Sea-Doo
Condition: Used – OEM

Product Description

This is a genuine OEM Sea-Doo 4-TEC main engine wire harness, part number 278-003-275. The harness was removed from a running unit and is designed to connect the ECU to essential engine sensors, ignition components, and electrical systems required for proper engine operation.

This main wiring harness is commonly used on Sea-Doo GTI, GTS, GTR, and GTX models equipped with 4-TEC engines (model/year dependent). It is ideal for replacing damaged, corroded, or faulty wiring during engine repairs or rebuilds.

🔴 Electrical Parts Policy (Important Notice)

Electrical components are sold AS-IS.
Due to the sensitive nature of electrical parts and the possibility of damage caused by improper installation, faulty components, incorrect wiring, voltage issues, or water intrusion, NO WARRANTY, NO RETURNS, AND NO EXCHANGES are offered on electrical parts.

By purchasing this item, the buyer acknowledges and agrees that all electrical sales are final. It is the buyer’s responsibility to verify compatibility, proper installation, and system condition prior to purchase.