ATG Spec'd the Upfit. Who Covers the Fuel Cap?
Body Locked ✓ • Equipment Secured ✓ • Fuel Cap Exposed ✗
Auto Truck Group delivers complete fleet upfit solutions with security built in. But the Ford or Ram chassis underneath has a completely exposed fuel cap. The Work Truck Fuel Vault is the armored locking cover that shields the entire fuel filler area on ATG-equipped trucks.
Founders Edition pricing — starting at $139.95 (Save up to $60)
The Security Gap on Every ATG-Upfitted Truck
ATG handles every detail of the upfit. But the chassis fuel cap security is a factory gap that Ford and Ram leave wide open.
- Ford and Ram chassis cabs ship with zero fuel cap protection
- ATG body locks protect tools and cargo — nothing covers the diesel
- Fleet trucks are prime targets for organized fuel theft
- A single siphoning costs $500–$1,000 in fuel plus job delays
- Aftermarket locking gas caps are defeated in seconds
The Armored Fuel Cap Cover for ATG Fleet Trucks
The Work Truck Fuel Vault covers and locks the entire fuel filler area on the chassis under your ATG upfit.
- Armored door covers the entire fuel filler area — cap, neck, and access
- Compatible with all ATG upfit configurations
- Bolt-on in 8–15 minutes — no drilling or cutting
- Purpose-built for Ford F-350–F-600, E-Series, F53 and Ram 3500–5500
- UV-stable composite — built for outdoor fleet use
- Limited Lifetime Warranty and 30-day money-back guarantee
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.
Every ATG Fleet Truck Needs a Fuel Cap Cover
National Fleets
ATG manages large fleet upfits. Add the Fuel Vault to every spec for complete fuel security.
Government Contracts
ATG-upfitted government trucks need fuel cap protection that meets fleet standards.
Utility Fleets
ATG utility upfits on Ford and Ram chassis. Lock the fuel alongside the equipment.
Contractor Fleets
ATG-equipped contractor trucks at open jobsites. Cover the fuel cap.
ATG Partners
Bundle the Fuel Vault with ATG upfit packages for a complete security solution.
Fleet Security
Standardize fuel cap covers across your entire ATG fleet.
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
Locking Fuel Cap vs. Fuel Vault
See how The Work Truck Fuel Vault compares to the alternatives.
| Feature | Locking Fuel Cap | The Work Truck Fuel Vault |
|---|---|---|
| Protection Type | Cap only | Full armored cover over entire fuel access |
| Tamper Resistance | Low | High — armored composite, torx fasteners |
| Covers Fuel Filler Area | No | Yes — full hatch coverage |
| Prevents Siphoning | Partial | Yes — sealed cover blocks all access |
| ATG Compatible | Generic fit | Purpose-built for Ford & Ram chassis |
| Warranty | None or 90 days | Limited Lifetime Warranty |
Feature comparison between standard locking fuel cap and The Work Truck Fuel Vault
Protection Type
Cap only
Full armored cover over entire fuel access
Tamper Resistance
Low
High — armored composite, torx fasteners
Covers Fuel Filler Area
No
Yes — full hatch coverage
Prevents Siphoning
Partial
Yes — sealed cover blocks all access
ATG Compatible
Generic fit
Purpose-built for Ford & Ram chassis
Warranty
None or 90 days
Limited Lifetime Warranty
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 trucks upfitted by Auto Truck Group?
Yes. The Fuel Vault mounts to the Ford or Ram chassis at the fuel filler area — not the body. Fits any Ford F-350 through F-600, E-Series, or Ram 3500–5500 chassis with any ATG upfit.
Will it interfere with ATG body compartments?
No. The Fuel Vault mounts near the cab at the fuel filler neck. ATG body compartments and equipment remain completely unaffected.
What ATG configurations work?
All of them. ATG works with multiple body manufacturers — the Fuel Vault mounts to the truck chassis, not the body.
How does it install?
Bolt-on in 8–15 minutes with basic hand tools. No drilling, cutting, or modifications.
How much does it cost?
Founders Edition starts at $139.95 with free shipping.
Is there a warranty?
Yes — Limited Lifetime Warranty and a 30-day money-back guarantee.
Cover the Fuel Cap on Your ATG Truck — Order Now
ATG handled the upfit. The Fuel Vault handles the fuel cap.
Secure checkout • Free US shipping • No charge until your order ships
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