NU-3218ST Uni-Filter Air Filter for Yamaha YFZ 450 2004-2022

Air Filter for Yamaha YFZ 450

The Uni-Filter Air Filter - NU-3218ST is a replacement air filter that keeps contaminants out of the engine on Yamaha YFZ 450 machines from 2004 to 2022, cross-referencing OEM part NU-3218ST.

Overview

This air filter is a direct replacement for the Yamaha YFZ 450, built to deliver clean airflow to the engine across many riding conditions. The NU-3218ST air filter helps protect the intake so the machine stays responsive on the track and trail. Riders maintaining a Yamaha YFZ 450 will find this replacement air filter a reliable choice.

Built For Performance

• Dual-layer foam construction traps fine dust while allowing strong airflow
• Washable and reusable for long-term service
• Designed to seat securely against the air box for a tight seal
• Cross-references OEM part number NU-3218ST
• Resists breakdown from fuel vapors and engine heat

Fits These Machines

• for Yamaha YFZ 450
• for model years 2004-2022

On-The-Job Use

• Track and trail riding in dusty conditions
• Sand and dune riding where fine grit is present
• Routine maintenance and air filter replacement
• Rebuild or service after a top-end refresh

Specs At A Glance

Good To Know

Q: Is this filter reusable? A: Yes, foam air filters of this type can be cleaned and re-oiled for repeated use. Inspect it after every few rides in dusty conditions.

Q: Does it come pre-oiled? A: Filters are generally shipped dry unless stated and should be oiled before installation. Always confirm oiling requirements before running the machine.

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