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Replacement Mounting Hardware for Thule Hyper XL Cargo Box


Hello, I recently picked up a used Porsche Thule Hyper XL cargo box and it doesn’t have the correct mounting hardware for my 3.5” Whispbar cross bars. What mounting parts do I need and do you carry them?


Expert Reply:

The mounting hardware for the Thule Hyper XL TH612 is the part # TH7521484001 which is designed to fit bar dimensions of up to 3-1/2" wide x 1-11/16" tall. If you have bars that are taller than 1-11/16 inches there won't be a way to make the box fit better with modifications.

expert reply by:
Jameson C

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