420874430 Fuel Injector for Sea-Doo GTI SE 155 1503 2008-2010

Fuel Injector for Sea-Doo GTI SE 155 1503

This fuel injector for Sea-Doo replaces OEM part number 420874430, providing accurate fuel delivery for 2008-2010 GTI SE 155 1503 engines.

Overview

This fuel injector is a replacement unit for the Sea-Doo GTI SE 155 1503, cross-referenced to OEM 420874430. It delivers measured fuel spray for dependable combustion and throttle response. Suited to riders and technicians servicing 2008 through 2010 Sea-Doo GTI SE 155 models.

Built For Performance

• Cross-references OEM part 420874430 for correct fitment
• Precise fuel atomization for efficient combustion
• Heat and fuel resistant sealed housing
• Supports smooth idle and consistent power delivery
• Engineered for marine 1503 engine applications

Fits These Machines

• for Sea-Doo GTI SE 155 1503 (2008)
• for Sea-Doo GTI SE 155 1503 (2009)
• for Sea-Doo GTI SE 155 1503 (2010)

On-The-Job Use

• Replacing a clogged or worn injector
• Fixing misfires and rough idle
• Routine fuel system service
• Pre-season engine maintenance

Specs At A Glance

Good To Know

Q: What symptoms indicate a bad injector? A: Misfires, hesitation, and poor fuel economy are common signs. Verify part 420874430 fits your 1503 engine before purchase.

Q: Is this an OEM Sea-Doo injector? A: It is an aftermarket replacement built to match OEM specifications for part 420874430, not an original factory part.

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