2PCS 28160355 Fuel Injector 16400-004C-0000 Fits HiSun EFI UTV550 MSU500 HS500

Fuel Injector for HiSun

This fuel injector for HiSun delivers atomized fuel to the combustion chamber to ensure efficient combustion, cross-referencing part numbers 28160355 and 16400-004C-0000.

Overview

The replacement fuel injector supplies precise amounts of pressurized fuel into the intake manifold for efficient combustion. Designed for electronic fuel injection systems, this injector prevents engine misfires, poor idle, and fuel economy drops. Utility vehicle operators can restore reliable power and engine responsiveness with this matching fuel injector pair.

Built For Performance

• Engineered internal seals prevent fuel bypass and external leakage
• Optimized spray nozzle ensures a fine fuel atomization for cleaner burns
• Durable internal solenoid coil resists electrical resistance shifts from heat
• Plug-and-play pin alignment fits existing wire harness connectors perfectly

Fits These Machines

• for HiSun EFI UTV550
• for HiSun MSU500
• for HiSun HS500

On-The-Job Use

• Replacing clogged, leaking, or electrically dead fuel injectors
• Restoring engine starting performance and eliminating rough idling
• Ensuring balanced fuel-to-air ratios across multi-cylinder configurations

Specs At A Glance

Good To Know

Q: Should these injectors be replaced in pairs? A: Yes, replacing fuel injectors in matching sets ensures equal cylinder fueling and consistent engine performance.

Q: Does this require any ECU reprogramming after installation? A: No, these are direct-replacement injectors designed to match factory flow rates, meaning no tune adjustment is required.

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