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Make sure they are both pickups, and one isn't a cab and chassis (different axle/frame widths.) The sensor on the '95 is used for the ABS and the speedo, not sure if it is the same sensor as what is used on the'91 and earlier trucks or not, so that may require switching.
Watch the gearing too, make sure it is what you are looking for, and if it's going into a 4wd truck that it matches the front.
Some checking with a tape measure will confirm though, basically the width of the spring perches, and backing plate to backing plate widths are the critical ones you need to confirm.