You Protect Your Electrical with a Surge Protector \u2014 But Your Fuel Has Zero Protection
A surge protector is one of the first accessories every experienced RV owner buys \u2014 it guards thousands of dollars of electronics from bad campground power. But while you\u2019re protecting your electrical system, there\u2019s a glaring gap on the outside: your fuel cap is completely exposed. No door, no lock, no protection. The RV Fuel Vault fixes that in 15 minutes.
The Problem
- ✖You bought a surge protector to protect your electronics — smart. But your fuel system has zero protection.
- ✖Every motorhome leaves the factory with a completely exposed, unlocked fuel cap — no door, no cover
- ✖Your surge protector guards your electrical from campground power issues. Nothing guards your fuel.
- ✖Diesel costs $4-5/gallon — your 50-100 gallon tank is worth $200-500 and anyone can access it
- ✖Fuel contamination can destroy your engine — a far more expensive problem than a power surge
- ✖You protect what’s inside — it’s time to protect what’s outside too
The RV Fuel Vault Solution
- The RV Fuel Vault is a locking fuel door — the security equivalent of a surge protector for your fuel system
- Tamper-resistant keyed lock stops fuel theft, siphoning, contamination, and vandalism
- Factory-finished look that transforms the driver side from ugly exposed cap to clean design
- High-strength 3/16″ fiber-filled polymer — UV-resistant, corrosion-proof, all-weather durable
- Exact-fit for your specific chassis — Ford E-350, E-450, F-550, F-600, F53, Workhorse, Ram 5500
- Bolt-on in 8-15 minutes — simpler than setting up a surge protector
- Starting at $84.95 — a fraction of your surge protector cost, protects every fill-up
See the Difference
Why You Need a Locking Fuel Door
Lead with finish. End with security.
Complete Your Protection
Surge protector handles electrical. The RV Fuel Vault handles fuel. Now both your most expensive systems are protected.
Prevent Costly Damage
Just like a power surge can fry your electronics, contaminated fuel can destroy your engine. The RV Fuel Vault is preventive protection.
Factory-Finished Look
Transforms the driver side from ugly exposed cap to a clean, intentional design that matches the care you put into your rig.
Even Easier Install
No outlet needed, no testing, no configuration. Just bolt on in 15 minutes and you’re protected.
Installs in 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 Chassis & Models
| Manufacturer | Models / Floorplans |
|---|---|
| Ford E-350 / E-450 | Class C — Coachmen, Thor, Winnebago, Jayco, East to West, Entegra, Forest River, Gulf Stream |
| Ford F-550 / F-600 | Super C — Thor, Dynamax, Entegra Accolade/Accolade XL, Jayco, Renegade |
| Ford F53 | Class A — Coachmen, Thor, Winnebago, Tiffin, Fleetwood, Newmar, Holiday Rambler |
| Workhorse W22/W24 | Class A — Coachmen Mirada, Thor Windsport/Hurricane |
| Ram 5500 | Super C — Dynamax Isata 5, Grand Design Lineage |
Frequently Asked Questions
Common questions about The RV Fuel Vault
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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 19/632,042 · Est. delivery by July 4, 2026