Whether doing a complete engine rebuild, a valve job, or just minor repair work, check out our gasket sets and individual, sometimes hard-to-find elsewhere gaskets seals, and washers. quality and fit means you do the job once and do it right. Note: some applications require a V.I.N. number or Engine number. Please have these available when you order to obtain the correct part. This part is the O-ring between the air filter housing box and the air intake in front of the engine.