420874430 Fuel Injector for Sea-Doo Speedster 310 1503 2008

Fuel Injector for Sea-Doo

This fuel injector replaces OEM part 420874430 and delivers precise fuel delivery for the Sea-Doo Speedster 310 1503 from 2008.

Overview

This fuel injector is a direct replacement engineered for the Sea-Doo Speedster 310 1503, providing accurate fuel atomization for consistent engine performance. It serves boaters and mechanics performing routine maintenance or fuel system repairs on their jet boat. The injector cross-references OEM 420874430 for straightforward sourcing.

Built For Performance

• Precise fuel atomization for consistent combustion
• Direct replacement for OEM 420874430
• Durable construction for marine environments
• Maintains proper air-fuel ratio under load
• Plug-in fit for the 1503 engine platform

Fits These Machines

• for Sea-Doo Speedster 310 1503 (2008)

On-The-Job Use

• Routine fuel system maintenance
• Replacing clogged or failed injectors
• Restoring smooth throttle response
• Engine rebuilds and top-end service

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket replacement designed to match the function of OEM 420874430, not an original factory part.

Q: How many injectors should I replace? A: Many owners replace all injectors at once to keep fuel delivery balanced across cylinders.

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