420874430 Fuel Injector for Sea-Doo GTX STD 1503 2004-2006

Fuel Injector for Sea-Doo GTX STD 1503

This fuel injector supplies metered fuel to the 1503 engine in the Sea-Doo GTX STD and carries OEM cross-reference 420874430 for direct replacement.

Overview

This fuel injector is a replacement part for the Sea-Doo GTX STD 1503 spanning 2004 to 2006 model years. It restores accurate fuel delivery to an engine that is running lean, misfiring, or hard to start. A practical fix for owners servicing the fuel system on a Sea-Doo GTX STD.

Built For Performance

• OEM cross-reference 420874430 for easy parts verification
• Precision nozzle geometry for even fuel spray pattern
• Moisture-resistant coil housing suited to marine engine compartments
• Corrosion-resistant construction for long service life
• Factory-style connector for direct installation

Fits These Machines

• for Sea-Doo GTX STD 1503, 2004
• for Sea-Doo GTX STD 1503, 2005
• for Sea-Doo GTX STD 1503, 2006

On-The-Job Use

• Replacing a worn injector on a 2004 to 2006 GTX STD
• Correcting rough idle and hesitation on the water
• Fuel system refresh during seasonal maintenance
• Isolating a misfire during engine diagnostics

Specs At A Glance

Good To Know

Q: How do I know this injector matches my machine? A: It is listed for the GTX STD 1503 from 2004 to 2006 and cross-references 420874430. Check your existing injector number and engine serial before purchase.

Q: Can I install this myself? A: Injector replacement is a moderate job for a confident home mechanic with basic hand tools. Follow the factory service manual for torque values and fuel system safety steps.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.