Your RV’s Fuel Caps Are Completely Exposed
Anyone can walk up, open your fuel cap, and steal your diesel — or worse, contaminate it. The RV Fuel Vault is the first and only locking fuel door designed specifically for RV motorhomes.
Protect your investment from theft, contamination, vandalism and OH YEAH your RIG will finally look Production Complete!
Starting at $84.95 • Free Shipping • Pay only when it ships
Your Fuel Caps Are an Open Invitation
Super C, Class C, and Class A motorhomes are built on commercial truck chassis where fuel cap security was never a priority. Your fuel caps sit completely exposed — vulnerable to anyone who walks by.
Exposed. Unprotected. Vulnerable.
Fuel Theft
Diesel prices are high. Thieves know your caps are easy targets at campgrounds, truck stops, and overnight parking.
Fuel Siphoning
A siphon hose takes seconds to insert. You could wake up with an empty tank — stranded far from help.
Fuel Contamination
Water, sugar, or debris in your fuel system can cause thousands in engine damage. One act of vandalism could total your investment.
Ugly Exposed Caps
Let's be honest — those bare fuel caps look terrible on a $200K+ motorhome. Your rig deserves a finished look.
Engineered Protection. Factory-Finished Look.
The RV Fuel Vault is the first product specifically designed to cover, lock, and protect the exposed fuel caps on your motorhome — while giving your RV a clean, production-complete appearance.
✅ Locked. Protected. Beautiful.
🛠️ Precision-Engineered for RV Chassis
Tamper-Resistant Keyed Lock
Heavy-duty keyed lock mechanism prevents unauthorized access. Your fuel stays safe at every stop.
High-Strength Composite
3/16″ thick fiber-filled polymer — virtually unbreakable, non-corrosive, and built to last a lifetime.
Bolt-On in Minutes
No drilling. No modifications. Uses existing factory mounting points. Basic hand tools only.
Factory-Finished Look
Clean, professional appearance. Covers those ugly exposed fuel caps and makes your RV look production-complete.
Anti-Siphon Protection
Completely blocks siphon hoses from reaching your fuel. Physical barrier that no generic cap can match.
Patent Pending Design
The first and only fuel cap cover specifically engineered for RV motorhomes. U.S. Patent Application 19/632,042.
Why RV Owners Choose The Fuel Vault
Every box checked. Every concern addressed.
Fits Your Motorhome
Compatible with Super C, Class C & Class A motorhomes across all major chassis.
Fits 40+ brands: Entegra, Jayco, Thor, Winnebago, Coachmen, Forest River, Fleetwood, Newmar, Tiffin, Dynamax, Holiday Rambler, Grand Design & more.
Check full compatibility list →Simple, Transparent Pricing
Pre-order today with $0 due. Pay only when it ships.
Free shipping in the Continental US • Limited Lifetime Warranty included
Have Questions? We’re Here to Help.
Fill out the form below and we’ll get back to you quickly — or call us directly.
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