WB: 092 - 90" wheel base
Color: X - Explorer model (the only Explorer color in 1972 was Durango Tan)
Type/G.V.W (Gross Vehicle Weight): U151 - I've never seen U151. Only U150 or U152. U150 was standard springs, U152 was the heavier duty package. No clue on U151
Body: G4 - I don't know what the body entry designates
Trans: C - 3 speed manual transmission
Axle: B8L - 3.50 gear ratio with limited slip 2780 pound rating
092 was 92" wheelbase
X is Durango Tan in the Ford Explorer Sport ad, but it's Light Goldenrod on the paint sheets. I've got Martis for 72' Explorer Sports in Chrome Yellow, Candy Apple Red, and Hot Ginger Poly also
U151 is a 4500lb gvw, I've seen it listed on Martis as 4600lb gvw as well.
G4 is avocado Ranger buckets and rear......84 Ginger Explorer buckets and rear seat. That's all I've ever seen on 72' Explorer Sports is 84.
B8L is a small bearing 9" rear with limited skip, front dana 44 with limited slip.