Up for sale is FUEL TOOL 2001-2003 FLSTS Softail Heritage Springer Harley Davidson CHECK VALVE LOWER O-RING. The vendor part number is MC200. Please read the title to know what is for sale Sold each or in packs of 5 Eliminate the need for replacing expensive check valve and fuel line when only an O-Ring is needed Fits 2001 and newer fuel injected Harley-Davidson models Long lasting, high quality DuPont Viton O-ring