A heavy-duty vehicle frame rail clamp on mounting bracket includes a first member, a second member, a third member, and at least one fastener. The third member is configured to contact the first member and the second member. The at least one fastener is applied to the third member. Upon a fastening thereof, the at least one fastener is configured to generate a clamping force on the first member and on the second member. The first member and the second member have a same shape.