Is There a Way to Update From Thule U-Bolts To Fast Grip Clamps On a Thule Roof Box?
Updated 02/03/2026 | Published 07/04/2024
Products Featured in This Question
Question:
How could I go about replacing Thule Box regular U-shape clamps with Fast-grip clamps. Is it possible to purchase the metal plates and cut holes in the plastic to the right shape? Go over steps please.
asked by: Michel
0
Thule U-Bolt Style Mounting Hardware for Cargo Box
(click to enlarge)
(click to enlarge)
Product Page this Question was Asked From
Replacement Hardware Kit for Searsbox Cargo Box
- Accessories and Parts
- Roof Box
- Mounting Hardware
- Thule
more information >
Continue Researching
- Q&A: Replacement Mounting Hardware for a Sears X-Cargo Roof Box
- Q&A: Replacement Hardware and 2982 Key for Sears Sport 20-SV Roof Cargo Box
- Q&A: Replacement Sears X-Cargo Box Hardware
- Q&A: Replacement Hardware and Lock Replacement for a Sears X Cargo Sport 20 Cargo Carrier
- Q&A: Which Mounting Hardware to Mount Sears X-Cargo Sport 20 to Round Crossbars
- Q&A: Replacement U-Bolt Mounting Hardware Kit for Sears X-Cargo Box
- Q&A: Replacement Mounting Hardware Kit For Sears X-Cargo Xtreme Cargo Carrier
- Article: Rooftop Cargo Carriers
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: Trailer Maintenance Schedule
- Article: The Best Trailer Tongue Locks for Preventing Trailer Theft
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Article: How to Choose a Roof Mounted Bike Rack
- Article: How to Use a Roof Rack (Like a Boss)
Jesse M.
2/3/2026
Hey, were you able to find a solution for replacing the U-bolt clamps on your Thule box after learning the Fast Grip clamps aren’t interchangeable? Knowing what you ended up doing could help others facing the same issue.