Are Longview Custom Towing Mirrors LO54FR Confirmed to Fit a 2021 GMC Sierra 1500 X31 Off-Road?

Updated 06/29/2026 | Published 06/23/2026

Products Featured in This Question

Longview Custom Towing Mirrors - Slip On - Driver and Passenger Side

(6981)

$97.83

Question:

Will the Longview Custom Towing Mirrors fit my 2021 GMC Sierra 1500 X31 Off road? What is the return policy if they do not fit?

asked by: Ed G

Expert Reply:

Happy to help Ed, thanks for reaching out!

Yes, the Longview Custom Towing Mirrors # LO54FR are confirmed to fit your 2021 GMC Sierra 1500 X31 Off Road. They are designed to fit all 2021 Sierra 1500 trim levels. The mirrors have cutouts to accommodate the factory cameras and lights.

If they don't work out, you can return them within 60 days of receipt of your shipment, you may return any new, unused item for a full product refund, no questions.

What are you towing with the Sierra 1500?

expert reply by: James D

Brandon C.

6/27/2026

I have a 2022 GMC Sierra (X31 package) and the mirrors fit great. They are easy to put on/take off, they give me a good view when pulling my camper.

Christine

6/27/2026

I also have the 2021 GMC Sierra 1500 and they work great on my truck.

Kevin A.

6/27/2026

Work great, very easy to install and remove

Ski

6/28/2026

I have a 22 Silverado LTZ. I've used these many times and many miles. GREAT fuctional product. The mirrors keep the adjustment when carefully stored. They fold in for parking with the automated system with no issues. The camera views are not affected, nor the front service light on the mirror. Easy to put on and take off. I wish more products were built with quality. FORM FIT & FUNCTION!

James D.

6/29/2026

@Ski great insight about the camera view and mirrors being compatible when folding in. Thanks for stopping by and we appreciate you choosing etrailer!