fuel level sensor on 2001 Buick LeSabre

what is an estimate to perform this repair?

2 answers
There is a hatch in the trunk that is removed to get the sender unit out of gas tank without having to remove the gas tank. The part is a dealer only part I have no price the labor book time to install should be about an hour to 1.2.
How hard is it to change the fuel level sensor for a 2005 chevy trailblazer?