[Accelo]

All four buckets may be different. INside, OUTside and R and L.
Even the orientation (clocking) has to be correct.
When you mount the buckets trial fit the bulb to be sure it is correctly orientated.
Just went through this on another Chevy.
I am making the assumption the trucks are the same as passenger cars.

BTW you have the only RH drive truck I have ever seen. LOL.
Or the picture was reversed.
It's a personal preference but I would paint the transmission cooler black.
BTW I am not far from you, Longview WA. Close enough to take you up on the burger! LOL