---
product_id: 404144260
title: "1/4\" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2"
brand: "evil energy"
price: "VT9204"
currency: VUV
in_stock: true
reviews_count: 5
category: "Evil Energy"
url: https://www.desertcart.vu/products/404144260-1-4-6mm-non-return-one-way-check-valve-fuel
store_origin: VU
region: Vanuatu
---

# 0.2-6 bar Pressure Aluminum Alloy -22℉ to 266℉ Temp 1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2

**Brand:** evil energy
**Price:** VT9204
**Availability:** ✅ In Stock

## Summary

> 🔗 Seal the Deal with Confidence!

## Quick Answers

- **What is this?** 1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 by evil energy
- **How much does it cost?** VT9204 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/404144260-1-4-6mm-non-return-one-way-check-valve-fuel)

## 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

- • **🔒 Secure Seal:** Equipped with a robust NBR rubber gasket and O-ring for leak-proof operation.
- • **🚀 Unmatched Durability:** Crafted from premium aluminum alloy for long-lasting performance.
- • **🇺🇸 Quality Assurance:** Manufactured in the USA, meeting CE specifications for peace of mind.
- • **🌍 Versatile Compatibility:** Perfect for water, petrol, diesel, and more—your go-to for diverse fluid systems.
- • **💪 High Pressure Tolerance:** Handles pressures from 0.2 to 6 bar, ensuring reliability in various applications.

## Overview

The EVIL ENERGY 1/4" Non Return One Way Check Valve is a high-performance solution designed for fuel lines and low-pressure systems. Made from durable aluminum alloy with a stainless steel spring, it operates efficiently across a wide pressure range and temperature spectrum, making it ideal for various fluids including petrol and diesel. This pack of two ensures you have the reliability you need for your automotive or industrial applications.

## Description

EVIL ENERGY is our brand, we're a direct and professional manufacturer, one of greatest manufacturer and exporter in tuning parts include intake system, exhaust system, fuel system, cooling system, interior and exterior parts. Check valves are suitable for carburetor and low pressure fuel systems. The main function of the check valve in the system is to prevent backflow and keeping it in the line. It can greatly solve the problem of slow starting vehicles.

## Features

- Specifications: 1/4 inch (6 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 | B085G7JVSM |
| Best Sellers Rank | #118,503 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #28,164 in Car Parts |
| Brand | EVIL ENERGY |
| Brand Name | EVIL ENERGY |
| Customer Reviews | 4.5 out of 5 stars 2,812 Reviews |
| Exterior Finish | Silver |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | Flange |
| Item Type Name | check valve |
| Manufacturer | Speedwow Tuning |
| Manufacturer Part Number | EV01342S6SRCA1 |
| Material | Aluminium |
| Material Type | Aluminium |
| Maximum Pressure | 6 Bars |
| Model Number | EVFS01272S6BK |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.25 Inches |
| Outlet Connection Type | NPT |
| Size | 1/4 |
| Specification Met | CE |
| Thread Size | 1/4 inch |
| Thread Type | NPT |
| Unit Count | 2 Count |
| Valve Type | Fuel Check Valve |

## Product Details

- **Material:** Aluminium
- **Brand:** EVIL ENERGY
- **Exterior Finish:** Silver
- **Inlet Connection Size:** 0.25 Inches
- **Inlet Connection Type:** Flange
- **Outlet Connection Type:** NPT
- **Maximum Operating Pressure:** 6 Bars
- **Number of Ports:** 2
- **Specification Met:** CE
- **Valve Type:** Fuel Check Valve

## Images

![1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 - Image 1](https://m.media-amazon.com/images/I/61zXc2qgIxL.jpg)
![1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 - Image 2](https://m.media-amazon.com/images/I/61MsAeZHruL.jpg)
![1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 - Image 3](https://m.media-amazon.com/images/I/61DAHHXxGKL.jpg)
![1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 - Image 4](https://m.media-amazon.com/images/I/71d21hB3cQL.jpg)
![1/4" 6mm Non Return One Way Check Valve for Fuel Line Oil Petrol Diesel Aluminium Silver Pack of 2 - Image 5](https://m.media-amazon.com/images/I/71TIt+7Pq7L.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by C***N on 15 March 2026*



### ⭐⭐⭐⭐⭐ Review
*by C***S on 20 January 2024*



### ⭐⭐⭐⭐⭐ Review
*by M***D on 16 April 2024*



## Frequently Bought Together

- EVIL ENERGY 1/4" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver(6mm OD,2PCS)
- AQUANEAT Aquarium Air Stones 4x2 inch 2 Pack, Large Airstone, Aerator Bubble Diffuser, Air Pump Accessories Air Stones for Aquariums, Hydroponic, Ponds and Fish Tanks

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**Shop now:** [https://www.desertcart.vu/products/404144260-1-4-6mm-non-return-one-way-check-valve-fuel](https://www.desertcart.vu/products/404144260-1-4-6mm-non-return-one-way-check-valve-fuel)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*