How much would it cost to have the transmission pump replaced? on 2002 Ford Explorer

The truck revs up but it wont accelerate. No gears work. This is a 2002 ford explorer v6 4.0L 4-wheel drive

2 answers
Replacing a 10 year old transmission pump would not be as cost-effective as replacing the whole transmission, or having it rebuilt.
you have to take the transmission out to replace the pump I would just replace the transmission