There were two types of bench seat cushions used from 1988-98. Check your truck before ordering to ensure that you order the correct cushion.
Without Exposed Support Springs: The seat cushion is molded around the support springs. No springs are visible underneath the seat. The cushion must be cut away from the support springs and the replacement cushion placed on top of the exposed springs.
With Exposed Support Springs: The seat cushion rests on top of the support springs visible underneath the seat. The cushion is removed and the replacement is placed on top of the springs.