Smittybilt offers a broad range of off-road and overland gear — winches, bumpers, rooftop tents, soft tops and recovery equipment — known for value and versatility.
Enhance your Smittybilt Defender bed rack system with this set of four 31.625" extended side panels. Compatible with both the Defender Low-Profile (SB18606) and Tall Defender Bed Racks (SB18608), these panels extend your rack from 47" to 67.25", making it ideal for standard (6.5') and long (8') truck beds. This upgrade increases capacity and versatility for your gear, and with a 5-year finish and long-term structural warranty, you can rely on its durability for all your adventures.
Features
- Longer 31.625" side panels
- Increases the length of the bed rack from 47" to 67.25"
- Works with the Defender Low-Profile Bed Rack (S/B18606) and the Tall Defender Bed Rack (S/B18608)
- Sold as a set of 4
- long-term Structural Warranty / 5 Year Finish Warranty
- Ideal for standard (6.5') and long bed (8') applications
Smittybilt Rack (18608)
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | Smittybilt |
| Part number | SMB18608 |
| Color | Black |
| Fitment | Universal |
| Grade | Grade 5 |
| Install Difficulty | Easy Do It Yourself (DIY) |
| Installation Time | 1 Hour |
| Material | Steel |
| Whats Included | Long Plates |

Worth adding
Useful in any truck — ships separately in its own box.
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