The OEM NOS STIHL Spark Arrestor 4203-141-9005 is a genuine replacement part made by the trusted brand STIHL. This spark arrestor comes in a pack of one units, ensuring you have an extra one on hand for any needed replacements in the future. Designed for outdoor power equipment like chainsaws, this spark arrestor helps to prevent accidental fires and ensures efficient operation. Perfect for any yard, garden, or outdoor living space, this product is a reliable and essential component for maintaining your STIHL equipment.