RV Fuel Door 3-Pack + DEF with Security Screws

$509.90$629.90

✱ 19% below MSRP

Keyed alike — every door opens with the same key, so you carry just one key for all your fuel doors.

Includes tamper-resistant security screws + Safety Torx driver bit

In Stock — Ships within 3 business days · UPS shipping calculated at checkout

The 3-Pack covers all three vulnerable openings on your Super C rig — both diesel fuel caps and the DEF (Diesel Exhaust Fluid) tank cap — and includes a 38-piece security screw pack (36 + 2 extras) for all three doors. We include 2 extra screws because things can happen during installation. Fuel theft, DEF contamination, and siphoning are all stopped with one order. Three doors, same key, tamper-resistant screws on every one.

Order Now — $509.90

Lifetime Warranty

Fast UPS Shipping

30-Day Returns

Made in USA·Patent Pending

Features

3 doors + 38-pc security screw pack included (36 + 2 extras)
Covers both fuel caps + DEF tank
Same-key convenience across all 3 doors
Prevents DEF contamination and theft
High-strength fiber-filled polymer
Patent Pending — Made in the USA

Specifications

Quantity: 3 doors
Size: Small Standard
Material: Fiber-filled polymer
Install Time: 25–40 minutes (all 3)
Country of Origin: USA

What's Included

3× RV Fuel Vault doors
3× Keyed lock cylinders (same key)
6× Keys
38× Tamper-resistant security screws (36 + 2 extras)
1× Safety Torx driver bit
Mounting hardware
Installation guide

Compatibility

Designed for Super C (Ford F-550/F-600) motorhomes with dual fuel tanks + exposed DEF cap. Also fits any 3-cap configuration on Class C / Class A.

Check if it fits your RV