420874414 Seadoo Fuel Rail | Genuine Used Part

🔧 Product Description

Genuine Sea-Doo Fuel Rail - Part Number: 420874414

This genuine Sea-Doo fuel rail is used in the air intake manifold and throttle body assembly on Sea-Doo 4-TEC engines. It supplies pressurised fuel to the injectors and supports correct injector positioning in the factory fuel-injection system.

⚙️ Key Features

• Genuine Sea-Doo fuel rail
• OEM part number 420874414
• Factory fuel-injection rail component
• Used with Sea-Doo 4-TEC fuel injectors and injector clips
• Direct-fit OEM rail for listed Sea-Doo 1503 air intake assemblies

🚤 Compatibility

Commonly used on

• Sea-Doo 4-TEC fuel rail and injector assemblies

Typically suits

• Engine models:
• GTI 130 / GTI SE 130 — Air Intake Manifold and Throttle Body
• GTI SE 155 / GTI LTD 155 — Air Intake Manifold and Throttle Body
• GTS 130 — Air Intake Manifold and Throttle Body
• GTR 215 — Air Intake Manifold and Throttle Body
• GTX 155 / GTX 215 / GTX Limited iS 260 — Air Intake Manifold and Throttle Body
• RXP-X 260 & RS — Air Intake Manifold and Throttle Body
• RXT 260 / RXT-X 260 — Air Intake Manifold and Throttle Body
• WAKE 155 / WAKE PRO 215 — Air Intake Manifold and Throttle Body
• 210 Challenger / 210 Wake 310 / 430 — Air Intake Manifold and Throttle Body
• 230 Challenger / 230 Wake 310 / 430 / 510 — Air Intake Manifold and Throttle Body
• HP Range: Approximately 130HP - 260HP
• Engine Type: Sea-Doo Rotax 1503 4-TEC Fuel Injection System
• Year Range: Approximately 2011 - 2016

🔌 Function

The fuel rail distributes pressurised fuel evenly to the injectors so the engine-management system can meter fuel correctly to each cylinder.

⚠️ Common Signs of Failure

• Fuel leak around injector or rail
• Corrosion or damaged injector seats
• Poor fuel pressure retention
• Rough idle or misfire caused by injector sealing issues
• Damaged rail threads or mounting points

🔄 Supersession & Cross Reference

OEM Supersession Chain

• No available supersession chain

OEM / Related Numbers

• 420874414
• 420874846 — related fuel injector
• 420853030 — related injector clip

Aftermarket / Verified Equivalents

• RIVA: high-flow billet fuel rail upgrade for Sea-Doo 4-TEC performance applications

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated