The replacement key for your Volvo roof box that will work is part # THKEYN156.
Be sure to adjust the qty needed on the product page when ordering if you want to order more than one key. view full answer...
Yes. A lot of European car manufacturers use Thule roof racks as their OEM roof racks, and the N051 is a dead giveaway. For that reason you're going to be able to use the # THKEYN051 to replace the key and unlock or lock your roof rack. view full answer...
It looks like you're either needing the 26" Long # e77SR or the 27" Long # SP-210275. These are rated for about the same weight your looking at and they measure 1-3/4" wide.
What you will want to do is take the pressure off of your leaf springs and then measure the center-to-center distance between the eyes. It is worth noting that your leaf springs may have elongated a little over time so if your leaf springs measure more like 26-1/4" then you'll want to go with the 26" leaf springs. view full answer...
It looks like the Thule Motion 800 is a UK-based box, and when I researched the two, it looks to be a counterpart to the Thule Motion XT XL in the U.S. The two boxes do share the same lid lifter, so the replacement you need for your Thule Motion 800 is the Replacement Lid Lifter Hinge for Thule Motion XT Cargo Boxes # 1401495200. view full answer...