The support is 036-specific, and totally different than the 034. All other 124's, including the 034, use the same round-tube support with reinforcing brackets at the front. The 036 item is a wide, flat oval without the front supports (to make room for mounting an engine oil cooler).
Other than fabricating one, the only option is to have one CAREFULLY removed (cut off) from a wrecked car (preferably a car that wasn't damaged up front). It is not bolted on, it welds to the frame.