---
product_id: 327300060
title: "Muzzys 8mm, 5/16\", Fuel Check Valve, Inline, One-Way, Non-Return, Aluminum, WITH CLAMPS, for Water, Gas, Diesel, Oils, on UTV, Quad, Snowmobile, Motorcycle, Jetski, Mower, Blower, Car, Truck, T"
price: "€ 18.31"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/327300060-muzzys-8mm-5-16-fuel-check-valve-inline-one-way
store_origin: IE
region: Ireland
---

# Muzzys 8mm, 5/16", Fuel Check Valve, Inline, One-Way, Non-Return, Aluminum, WITH CLAMPS, for Water, Gas, Diesel, Oils, on UTV, Quad, Snowmobile, Motorcycle, Jetski, Mower, Blower, Car, Truck, T

**Price:** € 18.31
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Muzzys 8mm, 5/16", Fuel Check Valve, Inline, One-Way, Non-Return, Aluminum, WITH CLAMPS, for Water, Gas, Diesel, Oils, on UTV, Quad, Snowmobile, Motorcycle, Jetski, Mower, Blower, Car, Truck, T
- **How much does it cost?** € 18.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/327300060-muzzys-8mm-5-16-fuel-check-valve-inline-one-way)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Muzzys 8mm, 5/16", Fuel Check Valve, Inline, One-Way, Non-Return, Aluminum, WITH CLAMPS, for Water, Gas, Diesel, Oils, on UTV, Quad, Snowmobile, Motorcycle, Jetski, Mower, Blower, Car, Truck, T

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Muzzys |
| Brand | Muzzys |
| Item Weight | 0.639 ounces |
| Package Dimensions | 3.8 x 2.4 x 1.3 inches |
| Item model number | 10123 |
| Is Discontinued By Manufacturer | No |
| Exterior | Stainless Steel |
| Manufacturer Part Number | 10123 |

## Images

![Muzzys 8mm, 5/16", Fuel Check Valve, Inline, One-Way, Non-Return, Aluminum, WITH CLAMPS, for Water, Gas, Diesel, Oils, on UTV, Quad, Snowmobile, Motorcycle, Jetski, Mower, Blower, Car, Truck, T - Image 1](https://m.media-amazon.com/images/I/71mXI1Hw5rL.jpg)

## Questions & Answers

**Q: what psi to open? Thanks**
A: 3 psi

**Q: Will these work when installing an oil catch can from pcv to intake manifold, right between occ and mani to stop air from blowing back?**
A: Doubtful since opening pressure is 3 psi

**Q: Can this be used inside the fuel tank?**
A: You probably can but you must used proper fuel line/hoses, clamps etc. it’s designed for external use but I don’t see why not. It is completely seal only openings is inlet and outlet ports. Good luck!

**Q: Will this check valve work for fuel injection systems? Working pressure is 31psi**
A: yes, it should work fine

---

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**Shop now:** [https://www.desertcart.ie/products/327300060-muzzys-8mm-5-16-fuel-check-valve-inline-one-way](https://www.desertcart.ie/products/327300060-muzzys-8mm-5-16-fuel-check-valve-inline-one-way)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-19*