Norton Commando Plastic Airbox Front Cover Seal (064174)

Norton Commando plastic airbox seall (part number 064174) is the correct sealing gasket for the front cover of the plastic airbox on Norton Commando models equipped with the later plastic air filter housing. This seal sits between the airbox front cover and the airbox body, creating an airtight barrier that prevents unfiltered air from bypassing the air filter element. A deteriorated or missing seal allows dirt and debris to enter the intake system — risking carburetor contamination and engine wear.

The plastic airbox design was introduced on later Norton Commando models as a lighter, more cost-effective alternative to the earlier metal airbox. This front cover seal is an essential maintenance item that should be replaced whenever the airbox is opened for filter service or carburetor work. Over time, the rubber material hardens, cracks, or loses its compression set — compromising the seal. A fresh seal ensures your engine breathes only clean, filtered air and maintains proper carburetor function.

Key Features

• Front cover seal for Norton Commando plastic airbox
• Part number: 064174
• Creates airtight seal between front cover and airbox body
• Prevents unfiltered air from bypassing the air filter
• Essential maintenance item for plastic airbox-equipped models
• Sourced from Norvil – the definitive Norton Commando parts authority

Compatibility

• Norton Commando (all models fitted with plastic airbox)

If your airbox front cover doesn’t seal properly or you’re experiencing carburetor issues, inspect this seal for wear or damage. Fair Spares New England is your trusted U.S.-based Norvil distributor for classic Norton parts — order with confidence.