The pan gasket is what everyone sees, but the internal seals are what decide whether the unit holds pressure.RL4F03A rl4f03v Bottom pan duraprene pan Gasket. The rubber is rated for the fluid the unit runs, so it stays pliable instead of hardening in the first heat cycle.A new seal in a worn groove still leaks. Shipping weight is 1 lb.The parts list below is exactly what ships. Compare it against your teardown before ordering.REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered. Transmission Gasket for RL4F03A - replacement component designed for proper fit and function Designed to support proper case sealing, port isolation and fluid retention during a reseal Package Includes: one transmission gasket as described, supplied loose for a reseal Gasket material cut to the stock bolt pattern and port layout - designed for dependable service in the intended application. Ships at 1.00 lb, 15x10x1 in Intended for shops resealing the unit. Clean both surfaces to bare metal and torque in sequence to the service manual figure What's in the box1 x Pan Gasket, RL4F03A rl4f03v Bottom Pan DurapreneCompatible vehiclesFits NX [91-93].