Locking Fuel Door for Motorhome — The Part the Factory Forgot
Your motorhome is the most expensive vehicle you own — and the only one without a locking fuel door. The RV Fuel Vault changes that with a 15-minute bolt-on install.
Why a Locking Gas Cap Is Not Enough
- ✖Your motorhome is the only vehicle you own without a locking fuel door
- ✖Every car has one. Every truck has one. Your $100K-$500K motorhome does not
- ✖The factory left your fuel system completely exposed
- ✖No one made a locking fuel door for motorhomes — until now
- ✖Generic truck parts do not fit RV filler neck geometry
Why a Locking Fuel Door Beats a Locking Gas Cap
- The first locking fuel door built specifically for motorhomes
- Factory-finished look — your rig finally looks production complete
- Tamper-resistant keyed lock provides real security
- High Impact Reinforced Material — UV-proof, weather-proof
- Bolt-on in 8-15 minutes — no drilling, no cutting
- Fits all major chassis: Ford E-350, E-450, F-550, F-600, F53, Workhorse, Ram 5500
Before & After: Your RV's Exposed Fuel Cap vs. a Locking Fuel Door
Why You Need a Locking Fuel Door
Lead with finish. End with security.
Factory-Finished Look
Eliminates the exposed plastic cap. Your rig finally looks production complete.
Fuel Theft Prevention
Keyed lock stops siphoning at campgrounds, rest stops, and storage facilities.
Contamination Defense
Prevents sugar, water, or foreign substances from being added to your fuel tank.
Vandalism Protection
Tamper-resistant design deters opportunistic damage to your fuel system.
How It Installs — 8–15 Minutes, No Drilling, No Cutting
8–15 Minutes
Average install time
Basic Hand Tools
No special equipment needed
100% Reversible
No drilling, no cutting, no mods
Frequently Asked Questions
Common questions about The RV Fuel Vault
Not Sure If It Fits Your Rig?
Our Fitment Finder checks your exact year, make, model, and floorplan in seconds.
Find My FitOrder Today — Starting at $139.95
Single Door, Set of 2, or 3-Pack · Limited Lifetime Warranty · 30-Day Guarantee
Order My RV Fuel VaultProudly Made in the USA · Patent Pending · In Stock — Ships in 3 Business Days