Do K-Source Universal Towing Mirrors Fit 2021 Ford F-150  

Question:

Helpful Expert Reply:

Yes they do; your 2021 Ford F-150's stock mirrors are indeed compatible with the K-Source mirrors, which are the following part:

- K-Source Universal Dual Lens Towing Mirrors # KS3990

These will fit your '21 F-150's mirrors and have a mirror face which is 7-3/4" tall x 5-1/8" wide to give you an optimal rear view so you can see more of what is behind you to increase your safety. They are also very easy to install, using a ratcheting system and rubber straps that allow the mirrors to fit tightly around your F-150's factory mirrors.

expert reply by: Kyle S

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