Just go to the site and start an order, then you can click on the catalog and look the part numbers up and put them on the order form and it will price them for you and you can back out of the order at anytime. They will typically be 30% less that what you can get them for locally.

I looked those up for you:
42846 $11.42
57620 $4.92
33585XE $10.49