Every part of this kit is Kawasaki OEM. For FX751V FX801V FX850V We are an authorized Kawasaki dealer! Whatever you need Kawasaki and don't see, please contact us. From filters to complete engines. This sale is for (1) complete service kit. This kit has the 10w40 oil. All of these items are Kawasaki OEM parts. Do it right the first time and spend a few more bucks to protect your engines. We also have this same kit with 20w50 oil for you guys in warmer climates. That is 99969-6528 The kit will include the following OEM KAWASAKI REPLACEMENT PARTS. 1 oil filter 2 spark plugs 1 outer air filter 1 inner air filter 2 quarts of 10w40 oil 1 fuel filter