4x4 PartsCompare
← Parts database
3 Gallon Extension

3 Gallon Extension

Part number
RX-3EXT
Brand
Rotopax
Price range
$39.99 – $44.99
Last checked
Nov 5, 2026

Spec sheet

Collected from 2 supplier pages - confirm fit with the supplier before ordering.

Use this Extension to stack any Fuel Pack on top of the 3 Gallon RotopaX, 3.5 FuelpaX, or 4.5 FuelpaX. Use the standard Extension if stacking the 3 Gallon on top of a 1, 2, or 4 Gallon Fuel Pack.

Suppliers (2)

  • Sherpa Equipment Co.
    Rotopax Pack Mount Extension - 3 Gallon · Unavailable
    Checked Nov 5, 2026
    $39.99
    View at supplier
  • RotopaX
    3 Gallon Extension · Orderable · stock unverified
    Checked Nov 5, 2026
    $44.99
    View at supplier

Specifications and fitment

Container Size
3 Gallon

Price history

DateSupplierPriceStock
Nov 5, 2026Sherpa Equipment Co.$39.99Not orderable
Nov 5, 2026RotopaX$44.99Orderable - stock unverified