The Buyers 1305300 is a 1-1/2 inch Power Cylinder Seal Kit specifically designed as a packing set for Fisher Snowplows, directly replacing Fisher OEM Part #339K. This essential kit ensures a tight, leak-free seal within your snowplow's hydraulic cylinders, crucial for maintaining optimal performance and preventing fluid loss in harsh winter conditions. Get reliable and efficient operation from your snowplow with this durable, direct-fit replacement part.