Can someone give me the correct part number for the Rancho AAL? I am trying to find somewhere locally to buy it. Since I'm in Canada, between duty, exchange rates, etc, I'll be paying double or more if I order from the US.

Before anyone starts, I did do a search for this a while back and had approached some shops here only to find out it is not a correct part #. The part # I had gotten on here was RS510/P57022.

Any help would be greatly appreciated!