Anyone know the difference ?

[Avro]

I presently have a 1985 Landcruiser BJ 60 3.4 diesel Canadian and a 1983 BJ60 3.4 diesel Canadian
Anyone know if there is any difference between the two ? Are all the parts interchangeable?

 

[lovetoski]

I believe there were some minor body differences between 84 and 85. Seat mounts, 4 speed transmission has the extension, maybe a few other things. But, easily 99% of the parts are interchangeable. why?