Luber-finer filter products manufactured or sold by Champion Laboratories, Inc. are warranted to their original purchaser to be free from defects in material and workmanship for the duration of the original equipment recommended change interval and Luber-finer hard parts are warranted to their original purchaser to be free from defects in material and workmanship for one (1) year from the later of the date of purchase or the date of installation. This warranty covers properly installed or utilized Products, installed in vehicles as cataloged by the then applicable Luber-finer. This warranty does not cover any Product that: a) has been subject to misuse, neglect, negligence, accident or casualty; b) has been improperly installed; c) has been installed into an engine which is not referenced as a conforming application by the then applicable Luber-finer; d) has remained in service beyond the original equipment recommended change interval.