I do have a solution to mount the Thule Cargo Carrier # TH859XT to your 2005 Pontiac Montana, and the item you selected, Rhino-Rack Crossbars, part # RRVA118B-2 will work with the Thule Cargo Carrier # TH859XT.
You will want to make sure not to exceed the load carrying capacity of your vehicle roof as stated in the vehicle owners manual.
I have linked a video review of the Thule Cargo Carrier # TH859XT, and an FAQ on roof racks. view full answer...
For replacement trailer hitch hardware, you will want to use part # RHK. Simply enter the trailer hitch part number and manufacturer name and we will assemble the hardware kit for that hitch for you. This will be the hardware only.
If the trailer hitch you purchased in 2009 was not originally for the 2003 Pontiac Montana, then I strongly recommend determining if the hitch will fit that vehicle before purchasing the hardware. Trailer hitches are customer made for certain vehicles, which... view full answer...
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