---
product_id: 444496724
title: "BBTUS 3/16\" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve"
brand: "bbtus"
price: "€ 31.71"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.hr/products/444496724-bbtus-3-16-4-5mm-pa66-automotive-oil-line-spring
store_origin: HR
region: Croatia
---

# 4.5mm Size -25℃ to 135℃ Corrosion Resistant BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve

**Brand:** bbtus
**Price:** € 31.71
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Ride with Unstoppable Flow!

## Quick Answers

- **What is this?** BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve by bbtus
- **How much does it cost?** € 31.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/444496724-bbtus-3-16-4-5mm-pa66-automotive-oil-line-spring)

## Best For

- bbtus enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight Design:** Weighs only 20g for easy installation and efficiency.
- • **One-Way Functionality:** Ensures optimal flow control in automotive systems.
- • **Precision Engineering:** Crafted with PA66 and SUS316L for unmatched durability.
- • **High-Performance Range:** Operates seamlessly in extreme temperatures.
- • **Versatile Applications:** Ideal for brake boosters, air conditioning, and more.

## Overview

The BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve is engineered for high performance and durability. With a robust construction of PA66 and SUS316L, it withstands extreme temperatures from -25℃ to 135℃, making it perfect for various automotive applications. Weighing just 20g, this lightweight valve is designed for easy installation and reliable one-way flow control, ensuring your vehicle operates at its best.

## Description

BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve

## Features

- Size※4.5mm (3/16")
- Total length ※ 40mm/1.57 inch
- Material ※ The shell material is PA66, and the Diaphragm material is VITON，the spring material is SUS316L
- Performance※ Normal performance under -25 ℃ to 135 ℃, Strong resistance to High Temperature and Corrosion
- Application ※One-way valves are commonly used in brake boosters - air conditioning damper ducts - exhaust valve ducts and wiper sprinkler ducts on automobiles. The one-way valve is widely used and can be reasonably used according to individual needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BBTUS |
| Part number | RYF02 |
| Item Weight | 20 g |
| Product Dimensions | 3.99 x 1.8 x 1.8 cm; 20 g |
| Item model number | GY2302 |
| Size | 6*4*1CM |
| Color | Black |
| Material | Nylon viton |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** PA66
- **Brand:** BBTUS
- **Item dimensions L x W x H:** 1.57 x 0.71 x 0.71 inches
- **Exterior Finish:** Plastic
- **Inlet Connection Size:** 4.5 Millimeters
- **Outlet Connection Type:** Slip
- **Maximum Operating Pressure:** 2E+2 Kilopascal
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.71 Inches
- **Valve Type:** Check Valve

## Images

![BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve - Image 1](https://m.media-amazon.com/images/I/51sB6xrkpLL.jpg)
![BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve - Image 2](https://m.media-amazon.com/images/I/61slca+aB+L.jpg)
![BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve - Image 3](https://m.media-amazon.com/images/I/61ZIGi0rG5L.jpg)
![BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve - Image 4](https://m.media-amazon.com/images/I/61e4tT9PyeL.jpg)
![BBTUS 3/16" 4.5mm PA66 Automotive Oil Line Spring Check Valve, Car Fuel Spring Check Valve, High Temperature and Corrosion Resistance one-way Oil Pump Check Valve - Image 5](https://m.media-amazon.com/images/I/51sdPzOEJML.jpg)

## Questions & Answers

**Q: Is this food grade ?**
A: It is automotive grade. The materials listed in the description all seem fine for food, but if your project is commercial these check valves would not be a good choice.  Just my opinion.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Just what I needed
  

*by J***. on Reviewed in the United States on 28 August 2024*

I needed these for the kaboom chlorine dispenser to prevent the chlorine from back flowing to the fill valve. Needless to say, it did the job.

### ⭐⭐⭐⭐⭐ 







  
  
    works as expected
  

*by V***E on Reviewed in the United States on 22 December 2023*

easy to use seems well made

### ⭐⭐⭐⭐⭐ 







  
  
    Good value
  

*by W***H on Reviewed in the United States on 23 October 2020*

Used these for my fuel line for 1986 Suzuki Samurai

## Frequently Bought Together

- BBTUS 1/8" 3/16" 1/4" 5/16" PA66 Automotive Oil Line Spring Check Valve, Car Fuel Vacuum Check Valve, 2 PCS High Temperature and Corrosion Resistance one-way Oil Pump Check Valve (3/16")
- Metaland Brass Hose Barb Reducer, 3/8" to 3/16" Hose ID, Reducing Barbed Hose Splicer Mender Coupler Warter Fuel Air (Pack of 2)
- Strongthium 3/16 Fuel Line Hose Set with 10 Pieces Clamps Rubber Gas Tube for ATV Go-carts Mini Bikes 196cc 212cc 6.5hp 5.5hp 8hp 9hp 11hp 13hp Small Engines Generators

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-25*