Patent-Pending Fuel Security
The First Armored Locking Fuel Door for Commercial Work Trucks
The Work Truck Fuel Vault isn't a modified gas cap or a repurposed automotive part. It's a patent-pending, purpose-built fuel security system designed from scratch for commercial chassis cab trucks.
Founders Edition pricing — starting at $99.95 (Save up to $50)
Before the Fuel Vault, Nothing Existed
For decades, the only option for fuel security on commercial chassis cabs was a locking gas cap. Nobody had designed a proper fuel door for these trucks.
- No aftermarket fuel door existed for commercial chassis cabs
- Locking gas caps were the only option — easily defeated
- No manufacturer addressed the exposed filler area, only the cap
- Generic automotive fuel doors don't fit chassis cab trucks
- The industry ignored this problem for decades
- Fleet managers had no real fuel security option until now
The Innovation You've Been Waiting For
The Work Truck Fuel Vault is the patent-pending fuel security system that finally solves the decades-old problem of exposed fuel caps on commercial work trucks.
- Patent-pending design — the original, not a copy
- Armored composite construction engineered for commercial use
- Integrated tumbler lock with security torx fasteners
- Bolt-on mounting system — no drilling, cutting, or modification
- Purpose-built for Ford and Ram chassis cab fuel filler areas
- Designed and manufactured in Sarasota, Florida, USA
The Part The Factory Forgot
The Work Truck Fuel Vault is an armored, locking fuel door that covers the entire fuel access area on your work truck. No more exposed caps. No more easy targets.
Why Didn't This Exist Before?
Despite billions lost to fuel theft every year, nobody built a real solution for commercial work trucks. Here's why.
"Good Enough" Thinking
The industry defaulted to cheap aftermarket locking gas caps. A $15 key-locked cap was considered good enough — until thieves proved otherwise with a pair of pliers.
Upfitters Focus on the Body, Not the Cap
Manufacturers like Knapheide and Reading engineer every compartment lock on the service body — but the chassis fuel pocket belongs to Ford or Ram. Nobody owned the gap.
The Zero-Drill Engineering Problem
Consumer billet doors are made for flat pickup beds. The recessed fuel pocket on a commercial chassis is a completely different geometry — and drilling risks voiding the chassis warranty.
The Cost Was Just "Absorbed"
Fleets treated fuel theft like weather damage. A $500 siphoning hit got buried in operating expenses. Without a purpose-built product available, the problem was simply accepted.
The Work Truck Fuel Vault is the industry's first drop-in armored fuel door that uses existing factory mounting points. No drilling. No cutting. No warranty risk.
Innovation for Every Application
Contractors
Be the first in your industry with patent-pending fuel security.
Fleet Managers
Adopt the innovation that finally solves fleet fuel theft.
Government
Specify the patent-pending Fuel Vault in fleet procurement.
Utility
The first real fuel security innovation for utility trucks.
Dealers
Offer the only patent-pending fuel door on the market.
Early Adopters
Founders Edition pricing won't last forever. Get in now.
Chassis Compatibility
Purpose-built for the most popular commercial chassis platforms in the industry.
Ford
Super Duty & Commercial Chassis
- F-350 Chassis Cab
- F-450 Chassis Cab
- F-550 Chassis Cab
- F-600 Chassis Cab
- E-350 / E-450
- F53 Workhorse
Ram
Chassis Cab Heavy Duty
- Ram 3500 Chassis Cab
- Ram 4500 Chassis Cab
- Ram 5500 Chassis Cab
Our Guarantee
Limited Lifetime Warranty
Built to last. Warranted against defects in material and workmanship for the life of the vehicle on which it was originally installed.
30-Day Money Back
Not satisfied? Return within 30 days of receipt for a full refund. No questions asked.
Free Replacements
If your Fuel Vault is defective under normal use within the warranty period, we replace it at no charge.
Frequently Asked Questions
What is patent-pending about the Fuel Vault?
The Work Truck Fuel Vault uses a patent-pending design that combines armored composite construction, integrated tumbler locking, security torx fasteners, and a bolt-on mounting system specifically engineered for commercial chassis cab fuel filler areas.
Why does the patent matter?
The patent-pending status means this is a genuinely new and innovative solution. Nothing like it existed before. You're getting the original, not a copy.
Has anyone else made a fuel door for work trucks?
No. Before the Work Truck Fuel Vault, there was no aftermarket locking fuel door purpose-built for commercial chassis cab trucks. Locking gas caps were the only option.
What trucks does it fit?
Ford F-550, F-600, E-350, E-450, and Ram 5500 chassis cabs.
How does it install?
Bolt-on in 8–15 minutes. No drilling.
How much?
From $99.95 with free shipping.
Warranty?
Limited Lifetime Warranty and 30-day money-back guarantee.
Get the Patent-Pending Original — Starting at $99.95
Patent-pending fuel security for work trucks. The first. The only. The original.
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