Ambulance Fuel Cap Cover — Protect Every Response
An Empty Tank Means a Missed Call. Lock the Fuel.
Ambulances save lives. They can't do that with an empty or contaminated fuel tank. The Work Truck Fuel Vault is the locking fuel cap cover that protects ambulance fuel 24/7 — so your unit is always ready to respond.
Founders Edition pricing — starting at $99.95 (Save up to $50)
Ambulance Fuel Is Mission-Critical
When an ambulance rolls out with an empty tank because someone siphoned the fuel overnight, response times suffer. People suffer.
- Ambulance fuel caps are completely exposed on the chassis
- EMS stations, hospital lots, and fire stations are accessible to the public
- Fuel theft directly impacts emergency response capability
- Fuel contamination can disable an ambulance at the worst possible moment
- No factory fuel door exists on any ambulance chassis
- Ambulances operate 24/7 — fuel must be available at all times
Lock the Fuel on Every Ambulance
The Fuel Vault protects ambulance fuel with an armored locking door. Mission-critical fuel security for mission-critical vehicles.
- Armored locking door over the entire fuel filler area
- Tumbler lock + security torx — authorized access only
- Fits Ford E-350, E-450, F-550, and Ram 5500 ambulance chassis
- Compatible with Braun, Horton, Wheeled Coach, Demers, and all bodies
- Bolt-on in 8–15 minutes — no drilling or cutting
- Made in the USA with Limited Lifetime Warranty
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.
Protect Fuel on Every Unit
Fire Departments
Lock ambulance fuel at every station. Ensure response readiness.
EMS Agencies
Fleet-wide fuel security for every ambulance in service.
Hospital Systems
Protect hospital-based ambulance fuel in public lots.
Private EMS
Private ambulance services need reliable fuel security.
Ambulance Upfitters
Add a fuel door to every ambulance build.
Disaster Response
Deployed ambulances need locked fuel in the field.
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
Does the Fuel Vault fit ambulances?
Yes. The Fuel Vault fits Ford E-350, E-450, and F-550/F-600 based ambulances, as well as Ram 5500 ambulance chassis. It mounts at the fuel filler area near the cab.
Which ambulance manufacturers is it compatible with?
Braun, Horton, Wheeled Coach, Demers, Road Rescue, and all other ambulance bodies built on supported chassis.
Why is fuel security critical for ambulances?
An ambulance with an empty tank can't respond to calls. Fuel theft or contamination directly impacts patient care and response times. Fuel security is life safety.
How does it install?
Bolt-on in 8–15 minutes. No drilling or cutting.
How much?
From $99.95 with free shipping.
Warranty?
Limited Lifetime Warranty and 30-day money-back guarantee.
Protect Ambulance Fuel — Starting at $99.95
Ambulance fuel cap cover. Mission-critical fuel security. Bolt-on. No drilling. Lifetime warranty.
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