A compact home improvement component for low-pressure fuel and fluid lines, designed to prevent backflow and keep systems running smoothly. DIYers and mechanics gain greater control and easier starting when fuel stays where it should, and sourcing map Fuel Check Valve brings straightforward reliability. Is it the right fit for common 8mm hoses and varied vehicle use?
⚡ At a Glance
- • Flow Control: One-way action keeps fuel and other fluids moving in the marked direction, preventing reverse flow.
- • Best for: Carburettors and low-pressure fuel systems on cars, motorcycles and small engines
- • Not ideal for: High-pressure fuel injection systems where specialised check valves are required
One-way aluminium alloy check valve for 8mm (5/16") hoses with anodised finish and flow arrow marking. Simple clamp fitting and anti-backflow function suit carburettors and low-pressure systems.
Prevent hard starts – with a one-way check valve design
One-way check design permits flow in the marked direction while blocking reverse flow, intended for carburettors and other low-pressure fuel systems. An internal mechanism stops fluid moving back once pressure drops.
Keeps fuel from draining away from the carburettor, improving engine start-up reliability and reducing prime time.
Corrosion resistance – with aluminium alloy and anodised surface
Aluminium alloy construction combined with an anodised surface increases structural stability and resists corrosion from fuel and water exposure. High thread strength supports repeated fittings and removals.
Maintains performance in damp or fuel-exposed environments, reducing the chance of leaks and the need for frequent replacements.
Quick fitting – thanks to clear flow arrow and 8mm compatibility
Arrow marking indicates the correct orientation for installation, and the valve suits 8mm (5/16") diameter hoses. Securing with a hose clamp prevents slippage under normal low-pressure conditions.
Can be installed during routine maintenance without specialist tools, making replacements fast and straightforward for home mechanics.
✨ The 4 Key Reasons for sourcing map Fuel Check Valve
- Compatibility – Fits 8mm (5/16") hoses for straightforward replacement across many vehicles
- Anodised aluminium body – Resists corrosion and preserves thread strength under exposure
- Clear orientation marking – Arrow indicates flow direction for correct, foolproof installation every time
- Versatile fluid compatibility – Suitable for petrol, diesel, oil, water and air lines
📋 Technical Details at a Glance
- Category: Home Improvement
- Size (hose): 8mm (5/16") diameter hose
- Dimensions: 60 x 22mm (2.36 x 0.87 inches) L x W
- Material: Aluminium alloy with anodised surface
- Function: One-way check valve, anti-backflow
❓ Frequently Asked Questions
Q: What hose size does it fit?
A: Designed for 8mm (5/16") diameter hoses, with overall dimensions of 60 x 22mm (L x W).
Q: Which fluids can it handle?
A: Suitable for petrol, diesel, oil, water and air according to the product description.
Q: Is it suitable for high-pressure fuel systems?
A: No, the check valve is intended for carburettors and low-pressure fuel systems, not high-pressure injection systems.
🏆 Our Verdict
Ideal for DIYers, mechanics and small-engine owners who need a simple anti-backflow solution in low-pressure lines. Aluminium alloy construction with an anodised finish and clear flow marking gives reliable, low-maintenance operation. Strong build quality and easy fitting deliver long-term value for routine maintenance and repairs.
