This is a dust cap for bayonet style fill points, sealing the fill point from dust, dirt and water.
For full information on how this GAS IT part works and functions plus how to install it, please visit the GAS IT Online Knowledgebase and search for the part number or product description.

Any sales questions please do not hesitate to email or call our GAS IT Sales on sales@gasit.co.uk or Telephone 01286 832443