---
product_id: 8752211
title: "2 x Anti-siphon Devices. Fits Freightliner M2 with 2 inch ID fill neck."
brand: "diesel keeper"
price: "83 zł"
currency: PLN
in_stock: false
url: https://www.desertcart.pl/products/8752211-2-x-anti-siphon-devices-fits-freightliner-m2-with-2
store_origin: PL
region: Poland
---

# Installs in seconds Heavy-duty coated steel build Permanent anti-siphon protection 2 x Anti-siphon Devices. Fits Freightliner M2 with 2 inch ID fill neck.

**Brand:** diesel keeper
**Price:** 83 zł
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Lock in your fuel security—fast, tough, and splash-free!

## Quick Answers

- **What is this?** 2 x Anti-siphon Devices. Fits Freightliner M2 with 2 inch ID fill neck. by diesel keeper
- **How much does it cost?** 83 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/8752211-2-x-anti-siphon-devices-fits-freightliner-m2-with-2)

## Best For

- diesel keeper enthusiasts

## Why This Product

- Trusted diesel keeper brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from heavy-duty coated steel, engineered to withstand harsh conditions and daily wear.
- • **Splash-Free Fueling:** Holds nozzle firmly to prevent splash back, keeping your fueling process clean and efficient.
- • **Dual Pack Convenience:** Includes 2 devices for comprehensive protection, perfect for fleet managers or multiple vehicles.
- • **Maximum Security Seal:** No holes or gaps larger than 1/4 inch, ensuring robust anti-siphon protection and peace of mind.
- • **Swift & Secure Installation:** Unique one-piece design fits Freightliner M2 2-inch ID fill neck for effortless setup in seconds.

## Overview

This dual pack of NATMA anti-siphon devices is designed specifically for Freightliner M2 trucks with a 2-inch ID fill neck. Featuring a unique one-piece design, these heavy-duty coated steel devices install in seconds, securely hold the fuel nozzle to prevent splash back, and provide permanent protection with no gaps larger than 1/4 inch. Ideal for professionals seeking reliable, long-lasting fuel security solutions.

## Description

Fits Freightliner M2 fill neck with ID of 2 inches. Sold in pairs.

## Features

- Unique one piece design is easy to install
- Installs in seconds. Permanent protection.
- Holds the nozzle for fast fueling; no splash back
- No holes or gaps larger than 1/4 inch
- Heavy duty - made from coated steel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NATMA |
| Part Number | D-AS258 |
| Item Weight | 10.1 ounces |
| Product Dimensions | 5.25 x 2.25 x 2.25 inches |
| Item model number | D-AS258 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 2 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![2 x Anti-siphon Devices. Fits Freightliner M2 with 2 inch ID fill neck. - Image 1](https://m.media-amazon.com/images/I/71FQ3tj5D0L.jpg)
![2 x Anti-siphon Devices. Fits Freightliner M2 with 2 inch ID fill neck. - Image 2](https://m.media-amazon.com/images/I/71rLcWYyzJL.jpg)
![2 x Anti-siphon Devices. Fits Freightliner M2 with 2 inch ID fill neck. - Image 3](https://m.media-amazon.com/images/I/81ymMTx+w-L.jpg)

---

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**Shop now:** [https://www.desertcart.pl/products/8752211-2-x-anti-siphon-devices-fits-freightliner-m2-with-2](https://www.desertcart.pl/products/8752211-2-x-anti-siphon-devices-fits-freightliner-m2-with-2)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-20*