I'm finally getting my leaking oil pan gasket done. Because it requires removing the differential on the 4wd and the only garage I have access to is my parents, for once I'll be paying someone else to do it.

I have a few questions though, what is a good price for this job? I've been given a wide spread from the local shops, one place that is reputable in my area quoted me $760 (I feel like they might of given me the price for a 2wd because it is so much lower), another garage quoted me $919, and the dealership quotes $1058.

Also when they're doing this job what parts should I get replaced. Is there any bushings that can easily be replaced while this job is done?

Will I need an alignment after this job?

Finally, because my 4runner has leaked oil for such a long time all the vacuum tubes attached to the front differential are disgusting. I'd like to get some silicon ones if they aren't too pricey, what diameter tubing did Toyota use on the front differential for all the 4wd stuff?