Is The RV Fuel Vault really the first RV fuel door?

Yes. Search every RV parts store, Amazon, dealer catalog, and aftermarket supplier. No fuel door has ever been designed and manufactured specifically for motorhome chassis. The RV Fuel Vault is the first. That is why it is patent pending.

Why did it take so long for someone to make this?

Great question. The RV industry has historically focused on interior amenities — the exposed fuel cap was just accepted as normal. It took a family of RV owners in Sarasota, FL to look at their motorhome and say: this is not acceptable. Then they engineered the solution.

Is it really patent pending?

Yes. The RV Fuel Vault has a patent-pending design for a locking fuel door specifically engineered for motorhome chassis. This is a first-of-its-kind product with intellectual property protection.

Bolt-on in 8-15 minutes with basic hand tools. No drilling, no cutting, no body modifications. It mounts using factory points on your specific chassis.

What motorhomes does it fit?

Ford E-350, E-450, F-550, F-600, F53, Workhorse W22/W24, and Ram 5500 — covering virtually every Super C, Class C, and Class A motorhome on the road today.

Where is it manufactured?

Engineered and manufactured in Sarasota, Florida. 100% Made in USA. Family-owned business. Patent pending.

The Part the Factory Forgot — Since Day One

The First Fuel Door Ever Made for Motorhomes — And It Only Took 50+ Years

For over half a century, motorhome manufacturers have shipped rigs with one glaring omission: no fuel door. Every car, truck, and SUV in America has one. Motorhomes never did. The RV Fuel Vault is the first product in RV history to fix this — a patent-pending locking fuel door engineered from scratch for Super C, Class C, and Class A motorhomes.

Order Now — From $139.95

Patent Pending Made in USA Free Shipping Ships July 2026

The RV Fuel Vault — Locking Fuel-Door Enclosure — locking fuel door for motorhomes

Why a Locking Gas Cap Is Not Enough

✖Motorhomes have been shipping without fuel doors for over 50 years — and nobody questioned it until now
✖Every vehicle class has a fuel door: cars, trucks, SUVs, vans. Motorhomes are the only exception.
✖The exposed fuel filler neck on your motorhome is a security vulnerability, a contamination risk, and an eyesore
✖No RV manufacturer — Ford, Coachmen, Thor, Winnebago, Jayco — ever included one
✖No aftermarket company ever designed one. The problem was hiding in plain sight.
✖Your 50-100 gallon diesel tank sits exposed with zero protection — that is $200-500 in fuel anyone can access

Why a Locking Fuel Door Beats a Locking Gas Cap

The first fuel door in RV history — purpose-built for motorhome chassis, not adapted from something else
Patent-pending design engineered from scratch in Sarasota, Florida
Tamper-resistant keyed lock provides real security against fuel theft, siphoning, and vandalism
Bolt-on in 8-15 minutes — no drilling, no cutting, no modifications to your motorhome
Factory-finished appearance — looks like it should have been there all along
High-strength 3/16″ fiber-filled polymer — UV-resistant, corrosion-proof, built for decades of use
Fits Ford E-350, E-450, F-550, F-600, F53, Workhorse W22/W24, and Ram 5500
100% Made in USA. Family-owned. Starting at $139.95 with free shipping.

Before & After: Your RV's Exposed Fuel Cap vs. a Locking Fuel Door

✖ 50+ years without a fuel door — exposed and unprotected

✓ The RV Fuel Vault — the first RV fuel door ever made

Why You Need a Locking Fuel Door

Lead with finish. End with security.

First-Ever Fuel Security

Before The RV Fuel Vault, there was literally no way to lock the fuel on a motorhome. Now there is. A keyed, tamper-resistant lock protects every gallon.

Factory Look, Finally

For 50+ years, the driver side of every motorhome has had an ugly exposed cap. The RV Fuel Vault is the first product to give it a clean, finished appearance.

Complete Weather Seal

The first full-coverage filler neck protection for motorhomes. Seals out water, road debris, salt, dirt, and contaminants.

Pioneer-Simple Install

We engineered it to bolt on in 8-15 minutes with basic tools. No dealer visit, no modifications. As simple as it should be.

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?

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

Don't see your model? Use the Fitment Finder — we likely fit your rig.

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.

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Order Today — Starting at $139.95

Single Door, Set of 2, or 3-Pack · Free Shipping · Limited Lifetime Warranty · 30-Day Guarantee

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Proudly Made in the USA · Patent Pending · Est. delivery by July 31, 2026