Will a 1993 Chevy 3500 truck bed fit 1991 3500?

It's highly likely, but not guaranteed, that a 1993 Chevy 3500 truck bed will fit a 1991 Chevy 3500. The body styles were very similar during those years. However, there's a small chance of minor differences in mounting points or dimensions.

Before assuming compatibility:

* Check the specific model: "3500" covers several configurations (e.g., single-cab, extended cab, dually). The bed must match the cab style. A single-cab bed won't fit an extended-cab truck.

* Measure: The safest bet is to measure the length and width of both truck beds. Compare the measurements of the wheel well locations as well.

* Examine mounting points: Look at the mounting points on both trucks. Even small differences can prevent a perfect fit.

If the measurements and mounting points align closely, the beds are likely interchangeable. However, some minor adjustments might be necessary.