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
Single door for Super C, Class C (E-350/E-450 or Dodge RAM 5500), and select Class A motorhomes. Fits standard exposed fuel caps.
Work Truck Fuel Vault — Small Standard-2 Pack
Set of 2 standard doors. Ideal for Driver Side dual-tank Super C Rigs
Work Truck Fuel Vault — Small Standard 3-Pack
Set of 3 standard doors. Ideal for Driver Side dual-tank and exposed DEF Tank Cap on Super C Rigs
Work Truck Fuel Vault — Large Standard Single
Oversized single door for Class C on F-350/F-450 chassis and Class A motorhomes with larger fuel cap openings.
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!
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!
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!
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!
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 • Free US 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.