---
product_id: 12232858
title: "2 3/8\" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks"
brand: "fuel tank accessories"
price: "NT$5180"
currency: TWD
in_stock: true
reviews_count: 8
category: "Fuel Tank Accessories"
url: https://www.desertcart.tw/products/12232858-2-3-8-locking-diesel-fuel-cap-for-freightliner-m2
store_origin: TW
region: Taiwan
---

# Key-matched pairs available Secure locking mechanism Precision aluminum build 2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks

**Brand:** fuel tank accessories
**Price:** NT$5180
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your fuel security, unlock peace of mind.

## Quick Answers

- **What is this?** 2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks by fuel tank accessories
- **How much does it cost?** NT$5180 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/12232858-2-3-8-locking-diesel-fuel-cap-for-freightliner-m2)

## Best For

- fuel tank accessories enthusiasts

## Why This Product

- Trusted fuel tank accessories brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fuel-Only Focused:** Clearly marked 'Diesel Fuel Only' to prevent costly fueling mistakes.
- • **Dual Tank Convenience:** Buy in pairs with matching keys for seamless access to multiple tanks.
- • **Lightweight Yet Durable:** Premium aluminum construction offers corrosion resistance without added bulk.
- • **Lock It Down, Drive Worry-Free:** Robust locking cap with smooth key operation ensures fuel security on the go.
- • **Tailored for Your Freightliner M2:** Specifically engineered for smaller box/day trucks, guaranteeing a perfect OEM fit.

## Overview

This 2 3/8" locking diesel fuel cap is precision-crafted from aluminum for smaller Freightliner M2 box trucks. Featuring a secure locking mechanism with smooth key operation, it prevents tampering and fuel theft. Sold individually or in pairs with matching keys, it fits OEM specifications and includes a durable chain and bail for added convenience. Ideal for professionals seeking reliable, high-quality fuel security solutions.

## Description

DO NOT ORDER IF YOU HAVE A FULL SIZE FREIGHTLINER TRUCK! These are made for smaller day/box trucks.

Review: Works Perfectly - These caps are excellent quality, and fit my Freightliner M2 106 like oem. Locks are smooth. A little expensive, but cheaper than the big truck supply houses. Very pleased.
Review: Fits perfect to my Freightliner M2 chassis. - Very easy to use. I have two, as I have two tanks. The key works on both locking caps. Gives me peace of mind knowing it won’t be so easy to tamper with the fuel.

## Features

- Cap Assembly Aluminum Inside Diameter 2 3/8"
- Made for Smaller Box/Day Trucks
- Locking 8.00 Chain & 6.50 Bail with "Diesel Fuel Only"
- Includes 1 Locking Gas Caps and 1 Set of Keys
- Sold Individually. Keys will match if bought in pairs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BPIES5O |
| Best Sellers Rank | #1,812,581 in Automotive ( See Top 100 in Automotive ) #5,557 in Automotive Replacement Fuel Tank Caps |
| Brand | Fuel Tank Accessories |
| Brand Name | Fuel Tank Accessories |
| Closure Type | Locking |
| Color | aluminum |
| Compatible with Vehicle Type | Truck |
| Customer Reviews | 4.2 out of 5 stars 94 Reviews |
| Exterior Finish | Aluminum |
| Item Dimensions | 8 x 3 x 1.5 inches |
| Item Type Name | Locking Fuel Cap |
| Item dimensions L x W x H | 8 x 3 x 1.5 inches |
| Manufacturer | Fuel Tank Accessories |
| Manufacturer Part Number | FTAC13 |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | FTA-C-13 |
| OEM Equivalent Part Number | 03-34467-002 |
| Style Name | Freightliner Box Truck Fuel Cap |
| UPC | 633726587892 |
| Vehicle Service Type | Truck |

## Product Details

- **Brand:** Fuel Tank Accessories
- **Color:** aluminum
- **Exterior Finish:** Aluminum
- **Item dimensions L x W x H:** 8 x 3 x 1.5 inches
- **Material:** Aluminum

## Images

![2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks - Image 1](https://m.media-amazon.com/images/I/51lQ10NiNtL.jpg)
![2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks - Image 2](https://m.media-amazon.com/images/I/51jpyo778BL.jpg)
![2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks - Image 3](https://m.media-amazon.com/images/I/712VOG7JyrL.jpg)
![2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks - Image 4](https://m.media-amazon.com/images/I/615NH1qC6eL.jpg)
![2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks - Image 5](https://m.media-amazon.com/images/I/61yb26FHaRL.jpg)

## Questions & Answers

**Q: Ok for century 1999 ?**
A: Sorry I do not know, We only use these for the Freightliner trucks that we have.

**Q: It this fit part  Number 03-37017-001  freighliner Coronado**
A: This is perfect cap for m2 frieghtliner and similar gas tanks.

**Q: Will this fit the diesel thanks of a 2012 kenworth????**
A: MOST Kenworths will use this locking cap.
https://www.amazon.com/combustible-camiones-Kenworth-bloqueo-s%C3%B3lido/dp/B07V7YZRN6/ref=sr_1_1?dchild=1&keywords=FTA-C-442L+fuel+cap&qid=1590515003&s=automotive&sr=1-1

**Q: Will this fit a hino box truck 2008**
A: If it has a male filler neck and has a diameter of 2.38 Inches then this should fit fine.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works Perfectly
*by S***Y on March 12, 2022*

These caps are excellent quality, and fit my Freightliner M2 106 like oem. Locks are smooth. A little expensive, but cheaper than the big truck supply houses. Very pleased.

### ⭐⭐⭐⭐⭐ Fits perfect to my Freightliner M2 chassis.
*by R***2 on September 1, 2023*

Very easy to use. I have two, as I have two tanks. The key works on both locking caps. Gives me peace of mind knowing it won’t be so easy to tamper with the fuel.

### ⭐⭐⭐⭐⭐ Key is slightly tight
*by E***C on January 5, 2026*

Works well.

## Frequently Bought Together

- Fuel Tank Accessories 2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks
- Diesel Exhaust Fluid Cap 5307947 (DEF) 6.7 liter ISB/QSB engines. Filler Cap

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-07-10*