Help with some ID

[wbute]

Because that is its body number. It is contained in the number 8M70RJL427425Z.

8 M(base model) 70(body style) R(engine type) J(model year) L4(assembly plant) 27425(Vehicle serial number) Z(series code).
Base model.........panelvan............253............. ......79?...............Adelaide..............body number...........................HZ