Protect Your Fleet, Protect Your Investment!
The Part The Factory Forgot • Armored • Heavy-Duty • Tamper-Proof
The Work Truck Fuel Vault is an armored, locking fuel door for diesel and gas work trucks. Fits Ford F-350/F-450/F-550/F-600, E-Series, F53 Workhorse & Ram 3500–5500 chassis. Installs in 8–15 minutes — no drilling or cutting.
Founders Edition pre-order pricing — starting at $84.95 (Save up to $75)
Armored Fuel Door & Fuel Tank Hatch
Say goodbye to exposed diesel fuel caps and vulnerable gas caps. The Work Truck Fuel Vault is a rugged locking fuel door that protects against theft, siphoning, contamination, and vandalism. Purpose-built for commercial work trucks on Ford and Ram chassis.
Built for the Toughest Jobs
Every feature engineered for commercial fleet operations and rugged jobsite conditions.
Fuel Theft Protection
Armored, tamper-proof locking system prevents siphoning, contamination, and unauthorized access on every jobsite.
Extended Range
Fewer fuel stops means more billable hours. Keep your crew on the job, not at the gas station.
Maximum Uptime
Eliminate fuel-related downtime. Your trucks stay productive on remote sites and long hauls.
Proven ROI
Pays for itself in prevented theft losses. One diesel siphoning event can cost $500–$1,000 in fuel alone.
Easy Installation
Bolt-on design — installs in 8–15 minutes with basic hand tools. No drilling or cutting required.
Built to Last
High-strength, UV-stable composite. Built for the toughest jobsite conditions with a Limited Lifetime Warranty.
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
Compatible Body Types
Integrates with every major work truck body and upfit configuration.
Built to Easily Integrate into Leading Upfitters Production
The Work Truck Fuel Vault is designed to integrate seamlessly with body platforms from the industry's most respected truck equipment manufacturers and distributors.
Knapheide
250+ upfit partners, 200+ distributors — the largest work-truck body network in the U.S.
Reading Truck
26 company-owned centers plus 100+ authorized distributors across North America.
Monroe Truck Equipment
Full-service work-truck equipment company with multiple U.S. locations.
Auto Truck Group
Engineered vocational and fleet builds for commercial operators nationwide.
Scelzi
Western U.S. work-truck body specialists — service and contractor body leaders.
Our Guarantee
Limited Lifetime Warranty
The Work Truck Fuel Vault is built to last. We warrant against defects in material and workmanship for the life of the vehicle on which it was originally installed.
Satisfaction Guaranteed
Not satisfied? Return within 30 days of receipt for a full refund. We're confident you'll love the security and peace of mind.
Free Replacements
If your Fuel Vault is defective under normal use conditions within the warranty period, we'll replace it at no charge.
Our Story
Born from the transportation industry, The Work Truck Fuel Vault was created by professionals who recognized a critical vulnerability in commercial work trucks built on Ford and Ram chassis.
After years of seeing exposed fuel caps targeted by thieves at jobsites, equipment yards, and overnight parking, we engineered a solution as rugged as the trucks it protects.
The Work Truck Fuel Vault brings years of experience in the transportation and commercial vehicle industry to deliver a product you can trust. Every Fuel Vault is designed, tested, and built to the highest standards.
Ready to Secure Your Work Truck?
Join contractors, fleet operators, and upfitters protecting their fuel investment with The Work Truck Fuel Vault.
Secure checkout • Free US shipping • No charge until your order ships