Mounting Hardware For Thule Summit Rooftop Cargo Box
Updated 08/02/2022 | Published 07/31/2022
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Question:
I have a Thule Summit cargo box. The box is still in great shape but I am wondering if there is another option for a mounting kit. I am tired of having to screw in all 8 bolts. Are there replacement mounting kits that I can use, even if I need to somehow install them myself?
asked by: Chris G
Helpful Expert Reply:
The only mounting parts we have for your Thule Summit 631 Cargo box are listed below.
Replacement Quick On/Off Bracket # TH04973
Replacement Wingnut # TH04877
Carriage Bolt # TH10403
Replacement Plate Box Support # TH10378
As they stopped producing this box in 2001 they never adapted it to work with their newer Fast Grip Clamp # TH94JV like is used on the Thule Pulse Rooftop Cargo Box # TH615
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