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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Red AN6 one-way check valve
The AN6 one-way check valve is designed for installation in fuel, oil, or cooling systems where fluid must flow in only one direction. The valve is equipped with male AN6 connections on both sides (inlet and outlet), allowing for easy integration with standard AN hoses and flared fittings. The valve body is made of anodized aluminum, ensuring light weight, high corrosion resistance, and fuel compatibility. Inside, a spring-loaded stainless steel piston and seals provide durability and a tight seal even at high pressure and temperature.
Product features: - Equipped with male AN6 connections (inlet and outlet) - Allows fluid flow in only one direction: ideal for fuel, oil, or cooling systems - Made of high-quality anodized aluminum: corrosion and fuel resistant - Internal stainless steel piston ensuring smooth flow and quick closure - Viton seals resistant to gasoline, ethanol, methanol, diesel, and other fluids - Compact and lightweight design: easy to install in any position - Available in colors: black, blue, and red
Technical specifications: - Connection size: AN6 (male on both sides) - Valve type: spring-loaded piston - Body material: anodized aluminum - Piston material: stainless steel - Spring material: stainless steel - Seals: Viton - Flow direction: laser-marked on the housing










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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We help you choose the right part.
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Only trusted manufacturers.
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Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
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For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.