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Key Features
- 20 gallon auxiliary long range fuel tank for Jeep Gladiator JT
- Mounts beneath the middle of the vehicle without compromising ground clearance or off-road capability
- Uses a transfer pump system to move fuel into the factory main tank
- Twin filler uses the standard filler location
- Designed to raise total fuel capacity to 41.9 gallons with the factory 21.9 gallon main tank
What's in the Box
- 20 gallon auxiliary fuel tank
- LED auxiliary fuel level gauge
- Gauge, switch and buzzer unit
- All parts and hardware for install
Important Fitment Notes
- PETROL ONLY
- 2020, 2021, 2022, 2023, 2024, 2025: Jeep Gladiator JT – All trims and editions.
- MODIFICATIONS: NONE REQUIRED
- Confident of fitment with lift kits, air-bags and GVM upgrades
- Confident of fitment with most aftermarket exhausts that follow standard exhaust route
Description
Brown Davis 20 Gal Auxiliary Long Range Fuel Tank for 2020-2026 Jeep Gladiator JT is an auxiliary tank system that adds 20 gallons of extra fuel capacity beneath the mid vehicle area. It is designed to work with the Gladiator's factory main tank through a transfer pump system for extended driving range on long trips, towing, and remote travel.
The system transfers fuel from the auxiliary tank to the standard tank using a dash-mounted pump control and includes an LED gauge so you can monitor auxiliary fuel level. Brown Davis rates installation time at approximately 5.5 hours.
Item # JWJLGA1
Specifications
| Tank Type | Auxiliary |
| Capacity | 20 gallon |
| Filler Point | Twin filler - standard location |
| Fuel Supply Method | Transfer pump to main fuel tank |
| Tank Location | Beneath mid vehicle |
| Fitting Time | Approx. 5.5 hours |
