Which shroud for my radiator ??

We need some help

I have a radiator # 3574 637 and 18398 The dimensions are @18.5 actual radiator width and from mounting hole to mounting hole is @23.5 inches. The fan is @ 18.5 inches..


#3869812....21 3/4 opening.......Bolt holes c/c 12 1/4 up to lower and got side to side was 26 1/4

# 4089573......20 1/4 opening.......12 1/4 top to bottom and side to side is 26 inches. Hope this info helps

Which one for my car ?

Thanks
Ian.