Thule End Caps are replacement end caps for Thule load bars. These end caps easily slip into the end of Thule load bars to eliminate the whistling associated with bars that do not have end caps. The Thule End Caps prevent moisture from entering the inside cavity of the bar and causing the metal to rust.
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A+ service!!! I ordered them and ACK shipped them immediately. I had them the next day.
These are OK for normal cosmetic applications but you should put a dab of silicone glue inside the Thule bars before inserting these. It would be nice if Thule made an expansion type end cap with a flange on the end so that it can't pull out and straps can't slip off the end --- like the Yakima optional end caps.
I lost one of my four end caps. These were perfect replacement. Great fit and identical to my original end caps. Fast shipping! Very satisfied.