Russell · New
Russell 5/16 Male To 5/16 Male Barbed Fuel Check Valve - Black Anodized
MPN 650623 · Store SKU rus650623
Supplier stock checked 11/7/2026, 3:24:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
this fuel check valve will keep the fuel from siphoning back toward the tank when the engine shuts off. This product aims to improve starts, providing peace of mind for automotive enthusiasts and professionals. The Russell Barbed Check Valve is engineered for easy integration into fuel lines, ensuring one-way flow to prevent backflow and maintain system integrity. The barbed fittings are designed for a secure connection, allowing the valve to be easily installed without requiring specialized tools. Available in 5/16” and 3/8” sizes, the valve is compatible with a wide range of rubber and synthetic hoses, making it suitable for numerous automotive applications. Manufactured from high-quality 6061 aluminum, the Russell Barbed Fuel Check Valve is built to withstand the harsh conditions commonly found in automotive environments but is incompatible with E85 or methanol-based fuels. Its corrosion-resistant construction ensures long-lasting performance, while the compact design makes it easy to install even in tight spaces. They will work on fuel systems with a minimum of 3 psi and a maximum of 10 psi of fuel pressure. Russell Barbed Fuel Check Valves come in a black anodized finish to complement the looks of hose installation and Russell Hose Ends. This Barbed Fuel Check Valve maintains consistent fuel flow and improves starts by keeping fuel from siphoning back toward the tank when the engine shuts off. Available in 5/16” and 3/8” sizes, it works on systems from 3 to 10 psi The Barbed Fuel Check Valve is a versatile solution designed to maintain consistent and reliable fuel flow to the carburetor. The backflow of fuel on a carbureted system is one of the biggest reasons for slow or failed starts 5/16 Male To 5/16 Male, Check Valve Barbed Black Anodized
Manufacturer fitment & guides
Check 650623 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
