4x4 PartsCompare
← Parts database
Rear Storage Box Topper

Rear Storage Box Topper

Part number
UN1121B
Brand
Flatline Van Co
Price range
$325.00
Last checked
Nov 5, 2026

Industry research

Overland Storage Compared: Drawers, Cases, Bed Systems and Buying Costs

Compare truck-bed drawers, SUV modules and removable cases, with DECKED and Goose Gear examples, load planning and a supplier quote checklist.

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

Level-up your adventure van’s exterior storage options with our Rear Storage Box Topper. The Topper provides additional storage on top of the Rear Storage Box or Rear Storage Box - Small , and is a convenient solution for gear you don’t want stored inside your van. From fuel cans to firewood to muddy boots, the Topper is an easy add-on to expand your rear door storage. The Rear Storage Box Topper is built for durability and convenience with 3MM heavy-duty aluminum and a UV-resistant black powder coat. A pattern of ¼-inch slots and ⅜-inch holes serves a dual-purpose, providing quick tie-down points for securing contents while offering an additional location for mounting gear such as an axe or a shovel. Designed to be installed on the Rear Storage Box or Rear Storage Box - Small , this add-on uses minimal space on the Rear Door Platform and weighs in at a lightweight 5.5 pounds. With an installation that takes 30 minutes or less, this exterior storage option offers an efficient way to expand your van’s storage capabilities while keeping the interior clean and organized. DETAILS Installs to Rear Storage Box or Rear Storage Box - Small Includes stainless steel hardware for mounting ¼” and ⅜” options for securing gear and mounting accessories 3MM Aluminum UV-resistant powder coat Product weight: 5.5 lbs Exterior Dimensions: 24” wide x 4.4” tall x 13.6” deep

Suppliers (1)

  • Flatline Van Co
    Rear Storage Box Topper · Orderable · stock unverified
    Checked Nov 5, 2026
    $325.00
    View at supplier

Price history

DateSupplierPriceStock
Nov 5, 2026Flatline Van Co$325.00Orderable - stock unverified