Introducing the all-new BAKFlip MX4, featuring heavy-duty aluminum matte finish panels that offer superior UV and scratch resistance, and an enhanced premium density foam core. The MX4 is the upgrade to the G2 aluminum series, equipped with upgraded latch housing components, and an all-new integrated tailgate seal that allows the cover to be closed with the tailgate in the closed or open position. This heavy-duty, all-season truck bed cover is designed to perform in the most extreme conditions. The MX4's resilient infrastructure is designed for everyday use, with upgraded components that provide enhanced resistance to the elements without compromising its sleek, low-profile look and feel. The MX4's solid and robust design is flush mount, and backed by an extended 5-year warranty.

This Part Fits:

Year	Make	Model	Submodel
2019-2021	GMC	Sierra 1500	Base
2019-2021	GMC	Sierra 1500	Denali
2019-2021	GMC	Sierra 1500	SLE
2019-2021	GMC	Sierra 1500	SLT