---
product_id: 438305425
title: "1/2\" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (12mm OD,2PCS)"
brand: "evil energy"
price: "E£ 2424"
currency: EGP
in_stock: true
category: "Evil Energy"
url: https://www.desertcart.com.eg/products/438305425-1-2-fuel-check-valve-one-way-inline-non-return
store_origin: EG
region: Egypt
---

# One-way stainless steel spring prevents fuel backflow Operates reliably from -22℉ to 266℉ 6061-T6 aluminum alloy for ultimate durability 1/2" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (12mm OD,2PCS)

**Brand:** evil energy
**Price:** E£ 2424
**Availability:** ✅ In Stock

## Summary

> 🚀 Fuel your ride with precision and power—never look back!

## Quick Answers

- **What is this?** 1/2" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (12mm OD,2PCS) by evil energy
- **How much does it cost?** E£ 2424 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/438305425-1-2-fuel-check-valve-one-way-inline-non-return)

## Best For

- evil energy enthusiasts

## Why This Product

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

## Key Features

- • **Rugged Aluminum Build:** Crafted from high-strength 6061-T6 aluminum with black anodized finish for superior corrosion resistance and long-lasting performance.
- • **Temperature Toughness:** Engineered to perform flawlessly in extreme environments from freezing -22℉ to scorching 266℉—ready for any adventure or daily grind.
- • **Effortless Installation:** Compact, lightweight design with barb inlet/outlet connectors for quick, hassle-free setup—get your fuel system optimized in minutes.
- • **Versatile Compatibility:** Perfect for carburetors and low-pressure fuel systems, compatible with diesel, gasoline, petrol, water, oil, and air (methanol excluded).
- • **Precision Pressure Control:** Maintains stable fuel system pressure with a working range of 0.2–6 bar (2.9–87 psi), ensuring smooth engine operation under varying conditions.

## Overview

The EVIL ENERGY 1/2" Fuel Check Valve is a premium inline non-return valve made from durable 6061-T6 aluminum alloy with a corrosion-resistant black anodized finish. Designed for low-pressure fuel systems, it features a stainless steel spring that ensures one-way flow, preventing backflow and maintaining stable pressure between 0.2 and 6 bar. Operating reliably across a wide temperature range (-22℉ to 266℉), this compact valve is easy to install with barb connectors and supports multiple fluids including diesel, gasoline, and oil. Sold as a 2-piece set, it’s a top-ranked choice for automotive fuel system upgrades.

## Description

Buy EVIL ENERGY 1/2" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (12mm OD,2PCS): Vacuum Tee Connectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Specifications: 1/2 inch (12 mm) OD. Minimum upstream pressure: 0.2 bar (2.9 psi). Working pressure range: 0.2–6 bar (2.9–87 psi). Operating temperature range: -22℉ to 266℉ for reliable performance in various conditions.
- Material: Made of high-strength 6061-T6 aluminum alloy, the check valve is black anodized for enhanced corrosion and wear resistance.
- Feature: This EVIL ENERGY fuel line check valve is equipped with a stainless steel spring that allows fluid to flow in only one direction, effectively preventing fuel backflow and maintaining stable system pressure.
- Installation: The one way valve is compact and lightweight with barb inlet/outlet for quick, hassle-free setup in fuel lines.
- Application: The EVIL ENERGY fuel check valve is widely used in carburetor and low-pressure fuel systems. It is compatible with various media such as water, petrol, diesel, gas, oil, air, and other fluids.(Methanol is not recommended)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09TT4BVB5 |
| Best Sellers Rank | #1,840 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Exhaust Check Valves |
| Brand Name | EVIL ENERGY |
| Connector Type | Barb |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,142) |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 0.5 inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 3.94 x 0.79 x 0.79 inches |
| Manufacturer | EVIL ENERGY |
| Manufacturer Part Number | EV01342S12BK |
| Material Type | Aluminum |
| Maximum Pressure | 6 bar |
| Model Number | EV01342S12BK |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 inches |
| Outlet Connection Type | National Pipe Tapered |
| Set Name | 2 |
| Size | 1/2 |
| Specification Met | ASME, ANSI, API |
| Thread Size | 1/2 inch |
| Thread Type | NPT |
| Unit Count | 2 Count |
| Valve Type | Check Valve |

## Product Details

- **Brand:** EVIL ENERGY
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 0.5 inches
- **Inlet Connection Type:** National Pipe Tapered
- **Item dimensions L x W x H:** 3.94 x 0.79 x 0.79 inches
- **Material:** Aluminum
- **Maximum Operating Pressure:** 6 bar
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.5 inches
- **Outlet Connection Type:** National Pipe Tapered

## Images

![1/2" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Black (12mm OD,2PCS) - Image 1](https://m.media-amazon.com/images/I/612GUm9VBeL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Would this valve be effective in a air/vapor system?**
A: yes, the valve can works in air system

**Q: Can this be used on a submersible 600gph water pump for the basement?**
A: This is a small check valve used for something like allowing a vacuum to be pulled in a single direction.  It would not be appropriate for use with a fluid pump unless it is simply being used as part of a venting system to remove air from the pump prior to use.

**Q: Do you install before fuel pump or close to carburetor**
A: Hi, it depends on your application, it usually installs close to the tank but you can put it closer to the fuel pump if you want. in any event it goes before the fuel pump as your trying to stop flow back.

**Q: Will this fit to Mazda Protege 2.0? Reference: 8574-20-309**
A: This check valve will fit any 1/4 or 6mm fuel line.

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-08-11*