How to Replace Lock Core on a Thule Xsporter Ladder Rack
Updated 10/30/2025 | Published 10/07/2025
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Question:
I have a thule xsporter rack I lost the keys to the locks on the bottom of rack. Is there a universal key or can I purchase a replacement key? The number on the locks are worn off.
asked by: Patrick N
Expert Reply:
Hey Patrick, thanks for reaching out!
Without the number on the lock core, you're looking at either having the core drilled out, or you'll have to find a Thule dealer that would be willing to try every single key they have until something works.
If you have the core drilled out you'll then need to replace it. To replace the lock on your Xsporter you'll need the Thule One-Key System Lock Cylinders # TH450200.
We also have the T-Slide Casting # 8523164001 and Clamp Lock Housing # 8523163001 if either of those end up getting damaged when the core is drilled.
What do you plan on doing?
Product Page this Question was Asked From
Thule One-Key System Lock Cylinders - Qty 2
- Accessories and Parts
- Hitch Bike Racks
- Roof Bike Racks
- Roof Box
- Roof Rack
- Ski and Snowboard Racks
- Keys
- Lock Parts
- Lock Cores and Cylinders
- Thule
more information >
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Jon G.
10/30/2025
Hey Patrick, did you end up drilling out the old lock cores on your Xsporter rack or finding a dealer who could match a key? Knowing what worked might help others who lose their Thule keys too.