TWIN AIR 1984-2005 KL250 D2-D22 KLR250 KAWASAKI 140004 OIL FILTER. The vendor part number is 140004. Read title to know what you are getting. Catalog descrition� The company that set the clean air standard for your engine now extends their expertise to oil filters Constructed with the highest quality paper mesh and the latest in production technologies Gives maximum protection, performance, and value