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BAK Industries BAKFlip MX4 hard folding tonneau cover.
Hard folding covers use rigid panels that fold forward in sections and can usually be driven with the panels stacked.
Use the vehicle selector to confirm your exact year and configuration.
| Years | Make | Model | Cab / bed |
|---|---|---|---|
| 2014–2018 | Chevrolet | Silverado 1500 | 6'6" Bed |
| 2019 | Chevrolet | Silverado 1500 | 6'6" Bed |
| 2015–2019 | Chevrolet | Silverado 2500 | 6'6" Bed |
| 2015–2019 | Chevrolet | Silverado 3500 | 6'6" Bed |
| 2014–2018 | GMC | Sierra 1500 | 6'6" Bed |
| 2019 | GMC | Sierra 1500 | 6'6" Bed |
| 2015–2019 | GMC | Sierra 2500 | 6'6" Bed |
| 2015–2019 | GMC | Sierra 3500 | 6'6" Bed |
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | BAK Industries |
| Part number | 448121 |
| Series | BAKFlip MX4 |
| Category | Truck Bed & Tonneau |
| Years | Make | Model |
|---|---|---|
| 2014–2018 | Chevrolet | Silverado 1500 |
| 2019–2019 | Chevrolet | Silverado 1500 |
| 2015–2019 | Chevrolet | Silverado 2500 |
| 2015–2019 | Chevrolet | Silverado 3500 |
| 2014–2018 | GMC | Sierra 1500 |
| 2019–2019 | GMC | Sierra 1500 |
| 2015–2019 | GMC | Sierra 2500 |
| 2015–2019 | GMC | Sierra 3500 |

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