- Large Bulb Shape Design: The distinctive large bulb design ensures excellent suction power, allowing for rapid oil pumping. This makes it an ideal choice for vehicles without an ESP primer, particularly those with 1 or 2 tank systems, and is commonly utilized with both outboard and inboard boat engines. - User-Friendly: Designed for simplicity, this hand primer is a highly effective tool for priming diesel engines in cars, motorcycles, and boats. It's perfect for refilling the fuel pump after a fuel filter replacement, making the process straightforward and hassle-free. - Versatile Fuel Transfer Tool: Widely employed as a hand pump on boats, this device supplies fuel to outboard engines efficiently. It can transfer petrol, oil, and water, making it an excellent option for emergency fuel transfer situations. - Efficient Siphon Mechanism: Utilizing the siphon principle, this outboard fuel line primer bulb vacuums liquids quickly and completely, minimizing waste. The durable aluminum alloy connector allows for compatibility with various hose lengths and operates in one direction only. - Practical Applications: - Seamlessly fill fuel after changing filters in vehicles, ensuring optimal engine performance. - Transfer fuel to your boat's outboard engine at the dock or during emergencies, ensuring you are always prepared. - Effortlessly move liquids for maintenance tasks in various machinery, enhancing operational efficiency. Choose this reliable hand primer for a robust solution to your fuel transfer and priming needs, ensuring easy operation and superior performance every time.