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2025 GMC Sierra 3500 with 6'9" bed
A sealed ball-bearing roller system on the RetraxPRO MX glides effortlessly along the rail and features a convenient handle that eliminates the need for pull straps
2022 GMC Sierra 3500 with 8 bed
Durable nylon strap with a strong buckle
This Limited Warranty gives you specific legal rights and you may have other rights
BAKFlip MX4 Tonneau Cover - BAK448121 fits_2019-2026`Ram`2500`6'4" 2025 GMC Sierra 3500 withBAKFlip MX4 Tonneau Cover Highlights: Premium matte finish Featuring durable aluminum panels Dual action, multifunction tailgate seal No drill installation (for most trucks) Drain tubes included (drilling may be needed with some trucks) NEW finished corner caps featuring a softer seal for a more finished appearance NEW pre molded and die cut A panel and B side bumpers NEW secure rail end caps NEW prop rod clips Add more security, stability and