By selling and/or installing at least 486 parts or components on motor vehicles or motor vehicle engines where the principal effect or the part or component is to bypass, defeat, or render inoperative elements of design of those engines when it knew or should have known that the parts or components it offered for sale or installed was to bypass, defeat, or render inoperative elements of design on those engines, Respondent is in violation of Section 203(a)(3)(B) of the CAA, 42 U.S.C. ? 7522(a)(3)(B).