The UNI FILTER Replacement OEM Air Filter is designed for select Honda CM400 and CM450 motorcycles. This replacement filter fits in the stock airbox exactly like the OEM filter, providing a direct replacement option for the listed applications. The manufacturer part number is NU-4049.
Higher airflow supports higher performance, while longer service intervals help reduce maintenance frequency. Before installation, the filter must be treated with oil. After use, it can be cleaned with regular grease-cutting dish soap and re-oiled for continued service.
UNI FILTER states that this air filter has an indefinite service life when properly cleaned and re-oiled and is made in the USA. Applications include the 1979-1981 Honda CM400E, 1979-1981 Honda CM400T, 1979 Honda CM400, 1983 Honda CM450E, 1983 Honda CM450A Hondamatic, and 1982 Honda CM450C Custom. The distributor part number is NU4049, and the manufacturer part number is NU-4049.
Features:
- OEM Replacement: Fits in the stock airbox exactly like the OEM filter.
- Higher Airflow: Designed to provide higher airflow for higher performance.
- Serviceable Design: Clean with regular grease-cutting dish soap and re-oil for continued use.
- Installation Requirement: Must be treated with oil prior to installation.
- Service Life: UNI FILTER states an indefinite service life when properly cleaned and re-oiled.
- Construction: Made in the USA.
- Vehicle Fitment: Fits 1979-1981 Honda CM400E, 1979-1981 Honda CM400T, 1979 Honda CM400, 1983 Honda CM450E, 1983 Honda CM450A Hondamatic, and 1982 Honda CM450C Custom.
Fitment:
1979 Honda CM400
1979 Honda CM400A Hondamatic
1979 Honda CM400E
1979 Honda CM400T
1980 Honda CM400
1980 Honda CM400A Hondamatic
1980 Honda CM400E
1980 Honda CM400T
1981 Honda CM400
1981 Honda CM400A Hondamatic
1981 Honda CM400E
1981 Honda CM400T
1982 Honda CB450SC Nighthawk
1982 Honda CM450A Hondamatic
1982 Honda CM450C Custom
1982 Honda CM450E
1983 Honda CB450SC Nighthawk
1983 Honda CM450A Hondamatic
1983 Honda CM450C Custom
1983 Honda CM450E
1984 Honda CB450SC Nighthawk
1985 Honda CB450SC Nighthawk