Oregon Revised Statutes Insurance § 746.287

(1) Without the consent of the owner of the vehicle, an insurer may not require, directly or indirectly, that a motor vehicle body and frame repair shop supply or install any aftermarket crash part unless the part has been certified by an independent test facility to be at least equivalent to the part being replaced.

(2) For purposes of this section, an aftermarket crash part is at least equivalent to the part being replaced if the aftermarket crash part is the same kind of part and is at least the same quality with respect to fit, finish, function and corrosion resistance.