That's come up before. Both my 6.5's were purchased used and neither had the "correct" front bumper when I got it. I have no way of knowing if they came OEM that way or if the front bumpers were damaged and just replaced with what was available from the junkyard?
'94 GMC 6.5TD K1500 4L80E 2-Door Yukon SLE 221K
'93 Chevrolet 6.5TD K2500HD NV4500 Std. Cab Longbed 187K
'85 Toyota 22R RN60 4x4 Std. Cab Shortbed 178K (Currently retired for rebuild)
Diesel Page Member #2423