---
product_id: 191872719
title: "- EVIL ENERGY 1/4\" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (6mm OD,2PCS)"
brand: "evil energy"
price: "€ 25.40"
currency: EUR
in_stock: true
category: "Evil Energy"
url: https://www.desertcart.be/products/191872719-evil-energy-1-4-fuel-check-valve-one-way-inline
store_origin: BE
region: Belgium
---

# One-way stainless steel spring prevents fuel backflow Operates reliably from -22℉ to 266℉ 6061-T6 aluminum alloy for ultimate durability - EVIL ENERGY 1/4" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (6mm OD,2PCS)

**Brand:** evil energy
**Price:** € 25.40
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** - EVIL ENERGY 1/4" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (6mm OD,2PCS) by evil energy
- **How much does it cost?** € 25.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/191872719-evil-energy-1-4-fuel-check-valve-one-way-inline)

## 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

- • **Built to Endure:** Black anodized aluminum resists corrosion and wear, ensuring long-lasting performance.
- • **Trusted by Pros:** Top-ranked with 4.5-star reviews and #1 in Automotive Replacement Exhaust Check Valves—join the elite users.
- • **Pressure Perfected:** Handles 0.2–6 bar (2.9–87 psi) to maintain stable fuel system pressure under all conditions.
- • **Versatile Compatibility:** Works flawlessly with diesel, gasoline, petrol, water, oil, and air—your all-in-one fuel system guardian.
- • **Precision Fit, Zero Hassle:** Compact 1/4" (6mm OD) design with barb inlet/outlet for quick, seamless installation.

## Overview

The EVIL ENERGY 1/4" Fuel Check Valve is a high-strength, black anodized aluminum inline valve designed for one-way fuel flow in low-pressure systems. Featuring a stainless steel spring, it prevents backflow and maintains system pressure across a wide temperature range (-22℉ to 266℉) and pressure range (0.2–6 bar). Compatible with multiple fluids including diesel and gasoline, this compact valve offers quick installation and is highly rated by automotive professionals.

## Description

Buy EVIL ENERGY 1/4" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (6mm OD,2PCS): Vacuum Tee Connectors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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 | #1,764 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Exhaust Check Valves |
| Brand Name | EVIL ENERGY |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,155) |
| Exterior Finish | Silver, Stainless Steel |
| Inlet Connection Size | 0.25 inches |
| Inlet Connection Type | National Pipe Tapered |
| Manufacturer | Speedwow Tuning |
| Manufacturer Part Number | EV01342S6SRCA1 |
| Material Type | Aluminum |
| Maximum Pressure | 87.02 psi |
| Model Number | EVFS01272S6BK |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.25 inches |
| Outlet Connection Type | NPT |
| Size | 1/4 |
| Thread Size | 1/4 inch |
| Thread Type | NPT |
| Unit Count | 2 Count |
| Valve Type | Fuel Check Valve |

## Product Details

- **Brand:** EVIL ENERGY
- **Exterior Finish:** Silver, Stainless Steel
- **Inlet Connection Size:** 0.25 inches
- **Inlet Connection Type:** National Pipe Tapered
- **Material:** Aluminum
- **Maximum Operating Pressure:** 87.02 psi
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.25 inches
- **Outlet Connection Type:** NPT
- **Unit Count:** 2 Count

## Images

![- EVIL ENERGY 1/4" Fuel Check Valve One Way Inline Non Return Diesel Gasoline Silver (6mm OD,2PCS) - Image 1](https://m.media-amazon.com/images/I/61zXc2qgIxL.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.

## 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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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-08-24*