---
product_id: 12232858
title: "2 3/8\" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks"
brand: "fuel tank accessories"
price: "624 zł"
currency: PLN
in_stock: true
reviews_count: 8
category: "Fuel Tank Accessories"
url: https://www.desertcart.pl/products/12232858-2-3-8-locking-diesel-fuel-cap-for-freightliner-m2
store_origin: PL
region: Poland
---

# Includes matching keys for pairs Secure locking mechanism Precision 2 3/8" aluminum fit 2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks

**Brand:** fuel tank accessories
**Price:** 624 zł
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your diesel, secure your day.

## 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?** 624 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/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

- • **Key convenience:** Buy in pairs and use one key for both caps—streamline your fuel security
- • **Durable aluminum build:** Lightweight yet tough aluminum finish resists corrosion and wear
- • **Compact & efficient design:** Slim 8 x 3 x 1.5 inch profile fits seamlessly without bulk
- • **Lock it down, drive worry-free:** Robust locking cap prevents fuel theft and tampering
- • **Tailored for your Freightliner M2:** Perfectly engineered for smaller box/day trucks, not full-size rigs

## Overview

This 2 3/8" locking diesel fuel cap is specifically designed for Freightliner M2 small box and day trucks. Crafted from durable aluminum, it features a secure locking mechanism with included keys that match when purchased in pairs, ensuring fuel safety and tamper resistance. Lightweight and compact, it offers a perfect fit and peace of mind for professional drivers managing smaller semi trucks.

## Description

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

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.
Review: Key is slightly tight - Works well.

## 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 | #952,750 in Automotive ( See Top 100 in Automotive ) #3,026 in Automotive Replacement Fuel Tank Caps |
| Brand | Fuel Tank Accessories |
| Color | aluminum |
| Customer Reviews | 4.2 4.2 out of 5 stars (94) |
| Date First Available | March 6, 2013 |
| Exterior Finish | Aluminum |
| Is Discontinued By Manufacturer | No |
| Item Weight | 10.2 ounces |
| Item dimensions L x W x H | 8 x 3 x 1.5 inches |
| Item model number | FTA-C-13 |
| Manufacturer | Fuel Tank Accessories |
| Manufacturer Part Number | FTAC13 |
| Material | Aluminum |
| Model | Locking Fuel Cap |
| OEM Part Number | 03-34467-002 |
| Product Dimensions | 8 x 3 x 1.5 inches |
| Style | 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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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.

## 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 Poland*
*Store origin: PL*
*Last updated: 2026-04-23*