By "box" do you mean bed? If so, yes it will.
what size speakers fit in a 1989 Toyota cressida
A 1990 Toyota Corolla.
yes
yes
it should fit. but make sure the trans lines up. be for you try it
yes as long as the 1989 pick up is 4x4 also it should bolt up
Maybe
It will fit, obviously the body styles will clash abit, but no biggy
If they are square, YES!. If they are round, NO!. In 1989, Toyota did a mid year crossmember/engine mount change. The square ones will fit '86 to '89. The round ones will fit '89 to '92.
yes
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no