Fuel Security Products
Armored locking fuel doors, tumbler locks, security hardware, and bundles. Same proven products trusted by work truck and RV owners nationwide. Built in Sarasota, FL.
Fuel Vault Products
Work Truck Fuel Vault — Small Standard Single
Small single locking fuel door for work trucks with a standard exposed fuel cap — Ford F-350 through F-600 and Ram 3500 / 4500 / 5500 chassis cabs with service, utility, dump, mechanics or flatbed bodies, plus Isuzu NPR / NQR cab-overs. Confirm your truck with Find My Fit™. Security screws included.
Work Truck Fuel Vault — Small Standard-2 Pack
Set of 2 small locking fuel doors, keyed alike. Ideal for dual-tank work trucks and service bodies, or a fuel cap plus an exposed DEF cap. Security screws included.
Work Truck Fuel Vault — Small Standard 3-Pack
Set of 3 small locking fuel doors, all keyed alike. Ideal for dual-tank trucks with an exposed DEF cap, or for locking down several trucks in a small fleet. Security screws included.
Work Truck Fuel Vault — Large Standard Single
Large single locking fuel door for medium-duty trucks and stripped chassis with a larger fuel cap opening — Ford F-650 / F-750, Ford F-53 / F-59 and E-Series stripped chassis, Freightliner M2, International MV / 4300, Hino, Isuzu FTR / FVR / NRR and GM 6500HD. Confirm your truck with Find My Fit™. Security screws included.
Work Truck Fuel Vault + Bezel Bundle — Small Single
Complete protection bundle: Work Truck Fuel Vault Small Standard Single door + matching Small Fuel Cap Housing Bezel. Save by bundling! Security screws included.
Work Truck Fuel Vault + Bezel Bundle — Small 2-Pack
Complete protection bundle: Work Truck Fuel Vault Small Standard 2-Pack doors + matching Small Fuel Cap Housing Bezel 2-Pack. Save by bundling! Security screws included.
Work Truck Fuel Vault + Bezel Bundle — Small 3-Pack
Complete protection bundle: Work Truck Fuel Vault Small Standard 3-Pack doors + matching Small Fuel Cap Housing Bezel 3-Pack. Save by bundling! Security screws included.
Work Truck Fuel Vault + Bezel Bundle — Large Single
Complete protection bundle: Work Truck Fuel Vault Large Standard Single door + matching Large Fuel Cap Housing Bezel. Save by bundling! Security screws included.
Add-Ons & Accessories
Security Screw Pack — 1 Pack (12 pc)
Security Screw Pack — 2 Pack (24 pc)
Security Screw Pack — 3 Pack (36 pc)
Standard Small Fuel Cap Housing Bezel, Factory Replacement
Standard Small Fuel Cap Housing Bezel, Factory Replacement (2 Pack)
Standard Small Fuel Cap Housing Bezel, Factory Replacement (3 Pack)
Standard Large Fuel Cap Housing Bezel, Factory Replacement
Technical Specifications
Engineered for commercial fleet operations and rugged jobsite conditions.
Ready to Order?
Order your Fuel Vault today or contact us for fleet volume pricing.
Secure checkout • Live UPS shipping • No charge until your order ships
Theft Deterrent
Tamper-proof locking system
Fuel Protection
Prevents siphoning & contamination
Easy Install
8–15 min bolt-on — no drilling
Lifetime Warranty
Built to outlast your truck
Not Sure If It Fits Your Vehicle?
The Fuel Vault fits Ford F-350 through F-600, E-Series, F53, Ram 3500–5500, plus E-ONE fire trucks and other first responder apparatus on supported chassis.
Already own a Fuel Vault?
Register your limited lifetime warranty or read our fuel theft prevention guides.