I may have a solution for you. The Replacement Rubber Strip # TH853354407 is designed to fit into a channel that is 7/16 of an inch wide on the top and 7/8 of an inch wide at the bottom. I have included a diagram that shows these measurements. You can use that to confirm that this will work for you but I have also included a review from someone who has a VW Golf that said this replacement part worked for their VW Branded racks.
"These rubber strips worked just fine on my VW-branded racks... view full answer...
The Replacement SuperLatch Handle Assemblies for Yakima SkyBox Rooftop Cargo Boxes - Qty 2 # Y8880348 are a fit for models 2009 to present. If you just drilled out the lock core, you can use lock kit # Y07202 to change out the cores and use the current handles. This comes with 2 lock cores and two keys as well as the control key.
Yakima no longer carries the older handles for replacement. view full answer...
You can replace the tongue on your older Kingpin bike carrier.
The replacement tongue we offer is part # Y8890203. This tongue includes the 1-1/4 inch shank as welll as a 2-inch trailer hitch adapter should you need it for a different vehicle. view full answer...
We can definitely get you replacement hardware for the Curt # C11066. The # RHK can be matched to any hitch that we carry and all you will need to do is put in the part number you need the replacements for ( # C11066 ) and the manufacturer of the hitch (Curt). We will then assemble all the needed pieces and ship them out to you. I did include a picture of all the hardware that comes with this hitch as well. view full answer...
There is a fit kit for your 2006 Volkswagen GTI so you can install a Thule roof rack, but the Traverse foot is the older version and Thule no longer has a fit kit that works with it. You might be able to find the older kit 1323 that works with the Traverse feet at a used parts shop but it might be a little difficult to find since this has been discontinued for a while so I recommend getting a whole new Thule roof rack:
53" WingBar Evo Crossbars - # TH711420
Evo Clamp Feet - # TH710501
Fit... view full answer...