Answer
Apr 20, 2026 - 11:06 AM
Yes — the PARTS-326A0011 side seal kit is a universal replacement used across most BAKFlip tonneau covers, including the MX series (such as the MX4).
It comes as a 17 ft trim-to-fit seal for the side rails, so it can be cut to match your specific cover.
Just note this is for the side seals only — if you need front or rear seals, those are separate part numbers.
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