2Pcs 5/16" 8mm Fuel Line One Way Non Return Check Valve Petrol Diesel Oil Water

Product Overview

This aftermarket replacement one way non return check valve is supplied as a set of two valves and is intended for 5/16 inch or 8mm fuel line applications involving petrol, diesel, oil, or water. A one way check valve allows flow in one direction while blocking reverse flow within a fuel or fluid line. These valves are supplied for use with the listed line size and fluid types, and each valve helps maintain a single direction of flow in the installed line.

Key Features & Performance

• Allows fluid to pass in one direction while helping block flow in the opposite direction.
• Suits fuel line applications where reverse flow needs to be restricted.
• Intended for use with petrol, diesel, oil, or water lines as listed.
• Fits 5/16 inch and 8mm line sizes as specified in the title.
• Supplied as a set of two valves for line installation or replacement.

Fitment & Compatibility

• for 5/16 inch fuel line applications
• for 8mm fuel line applications

Common Uses

• Replacing a worn or malfunctioning check valve in a fuel or fluid line.
• Helping maintain one way flow in petrol, diesel, oil, or water lines.
• Servicing fuel systems where reverse flow protection is required.

Technical Specifications

• Product Type: One way non return check valve
• Size: 5/16 inch (8mm)
• Quantity: 2 pieces
• General Application: Petrol, diesel, oil, and water lines

Frequently Asked Questions

Q: What does a one way non return check valve do? A: It permits flow in one direction and helps prevent fluid from traveling back through the line. Q: How do I verify fitment? A: Confirm the line size, fluid type, and complete existing part number or model designation match the details in this listing before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.