Fuel Line Hand Primer 12mm Rubber One Way Manual Fuel Pump Siphon For Gasoline Diesel Petrol Vacuum Transfer Primer Tool For Cars Boats Motorcycles Marine Gear No Nonsense Easy Fuel Delivery

Compact 12mm Fuel Line Hand Primer, Pack of 1
✔️ 12mm interface, 11-12mm fittings, rubber + aluminum alloy build

This manual fuel line hand primer bulb primes fuel lines and transfers fuel quickly for gasoline or diesel. It's a handy choice for boats, cars, motorcycles, and marine gear that need reliable priming without power.

✅ Size: 5.87 x 1.8 inches (149 x 46 mm)
✅ Interface: 12 mm; input/output connections: 11 mm and 12 mm
✅ Material: rubber body with aluminum alloy components
✅ Flow: fast unidirectional priming to fill the pump and line
✅ Applications: compatible with gasoline and diesel in low-pressure systems

💡 What is a hand primer pump used for in marine and automotive fuel systems?
- Handy tool to prime and transfer fuel quickly without electricity in marine and automotive setups
- Helps remove air pockets after filter changes and during maintenance
- Compatible with gasoline and diesel in low-pressure carb systems
- Speeds up engine starting and reduces downtime