That $500 is about $400 in labor. they charge more for parts at the dealerships. The same kit I priced you costs around $75 from the dealer!! The remainder of you're bill goes to engine removal and reinstallation! It's not a difficult process but it can be difficult for the details...
"Build a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life!" - Anonymous