The RV Fuel Vault — The Part the Factory Forgot
The first and only locking fuel door engineered for motorhomes. Factory-finished look. Real keyed security. Bolt-on in 15 minutes. Made in the USA.
Why a Locking Gas Cap Is Not Enough
- ✖Every motorhome leaves the factory with an exposed, unlocked fuel cap — the part they forgot
- ✖You spent $100K-$500K on a motorhome that has zero fuel security from the factory
- ✖Fuel theft at campgrounds and overnight stops costs RV owners thousands per year
- ✖Generic locking caps and chrome doors are built for trucks — not RV filler necks
- ✖Your rig looks unfinished with a bare plastic cap exposed on the side
Why a Locking Fuel Door Beats a Locking Gas Cap
- Factory-finished look — eliminates the exposed cap and gives your motorhome a production-complete appearance
- Tamper-resistant keyed lock stops fuel theft, siphoning, contamination, and vandalism
- Purpose-built for motorhome filler necks — not a truck part, not a universal fit
- High-strength 3/16 inch fiber-filled polymer — UV-proof, weather-proof, corrosion-proof
- Bolt-on in 8-15 minutes — no drilling, no cutting, no modifications
- Fits Ford E-350, E-450, F-550, F-600, F53, Workhorse W22/W24, and Ram 5500
- Patent Pending — Made in the USA
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
Compatible RV Models — Which Locking Fuel Door Fits Your Motorhome?
The RV Fuel Vault fits every major motorhome chassis in North America — from compact Class C to full-size Super C and Class A.
| Manufacturer | Models / Floorplans |
|---|---|
| Ford E-350 / E-450 | Class C — Coachmen, Thor, Winnebago, Jayco, East to West, Entegra, Forest River, Gulf Stream, Nexus, Phoenix |
| Ford F-550 / F-600 | Super C — Thor, Dynamax, Entegra, Jayco, Renegade |
| Ford F53 | Class A — Coachmen, Thor, Winnebago, Tiffin, Fleetwood, Newmar, Holiday Rambler |
| Workhorse W22/W24 | Class A — Coachmen Mirada/Pursuit, Thor Windsport/Hurricane |
| Ram 5500 | Super C — Dynamax Isata 5, Grand Design Lineage |
Frequently Asked Questions
Common questions about The RV Fuel Vault
Not Sure If It Fits Your Rig?
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Single Door, Set of 2, or 3-Pack · Free Shipping · Limited Lifetime Warranty · 30-Day Guarantee
Order My RV Fuel VaultProudly Made in the USA · Patent Pending · Est. delivery by July 31, 2026