I had mine done "for cheap".

Wish it still had the original in it... the shop I used didn't torque down the bolts inside the cover, one bolt backed out and fell right into the moving belt they replaced, shredded it and jumped time two sprockets on the front bank. Luckily I'm not having any issues, still runs smooth after 169k.

Wish I hadn't been scared to do it myself and paid someone... Does seem easy DIY.