Aftermarket replacement air filter element for the listed Honda model. It replaces a worn, damaged or deteriorated original filter and helps keep dirt and debris from entering the engine.Product Details Aftermarket air filter element Replaces Honda OEM 17211-428-000 Sold individually Fitment / CompatibilityHonda XL250S (1978-81)Before OrderingConfirm the motorcycle model, year and OEM reference number before ordering.