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Patent-Pending Innovation \u2014 Made in USA

The Most Innovative RV Product of 2026 \u2014 A New Category That Never Existed Before

True innovation does not improve an existing product \u2014 it creates a new one. The RV Fuel Vault did not make a better locking gas cap. It invented the first locking fuel door purpose-built for motorhomes. A patent-pending design that created an entirely new product category in an industry that has existed for over 50 years.

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

The Problem

  • The RV industry has shipped motorhomes without fuel doors for decades — an overlooked design flaw
  • Every other vehicle class solved this problem years ago. Motorhomes never did.
  • Aftermarket solutions were locking gas caps — a band-aid that only protects the cap, not the neck area
  • No company had the vision or engineering capability to design a purpose-built solution
  • RV owners accepted exposed fuel caps as normal because no alternative existed
  • Fuel theft, contamination, and cosmetic damage continued as unsolved problems

The RV Fuel Vault Solution

  • Created an entirely new product category — the first aftermarket fuel door for motorhomes
  • Patent-pending design — engineered from scratch, not adapted from another vehicle type
  • Exact-fit engineering for each chassis: Ford E-350, E-450, F-550, F-600, F53, Workhorse, Ram 5500
  • Tamper-resistant keyed lock provides multi-layer security against theft and tampering
  • High-strength 3/16″ fiber-filled polymer — advanced material science for durability
  • Bolt-on installation in 8-15 minutes — zero modifications to the motorhome
  • Factory-finished appearance that integrates seamlessly with the vehicle body
  • Designed, engineered, and manufactured in Sarasota, Florida — 100% American innovation
  • From $84.95 with free shipping and Limited Lifetime Warranty

See the Difference

The old way \u2014 exposed fuel cap, no innovation
The old way \u2014 exposed fuel cap, no innovation
The RV Fuel Vault \u2014 patent-pending innovation
The RV Fuel Vault \u2014 patent-pending innovation

Why You Need a Locking Fuel Door

Lead with finish. End with security.

Breakthrough Security

The first product to provide real, keyed fuel security for motorhomes. Not a cap lock — a complete locking fuel door system.

Design Innovation

Patent-pending form factor that transforms the driver side appearance while solving a functional security problem.

Engineering Excellence

Purpose-built for each chassis with exact-fit precision. Advanced polymer construction resists UV, corrosion, and impact.

Installation Innovation

Engineered for bolt-on simplicity: 8-15 minutes, basic tools, zero modifications. Accessible to every RV owner.

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

ManufacturerModels / Floorplans
Ford E-350 / E-450Class C — Coachmen, Thor, Winnebago, Jayco, East to West, Entegra, Forest River, Gulf Stream
Ford F-550 / F-600Super C — Thor, Dynamax, Entegra Accolade/Accolade XL, Jayco, Renegade
Ford F53Class A — Coachmen, Thor, Winnebago, Tiffin, Fleetwood, Newmar, Holiday Rambler
Workhorse W22/W24Class A — Coachmen Mirada, Thor Windsport/Hurricane
Ram 5500Super 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

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Order Today — Starting at $84.95

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 19/632,042 · Est. delivery by July 4, 2026