H-veenjor 5/16" Boat Primer Bulb Marine for Outboard Motor Universal Fuel Line Hand Primer Bulb Manual Black Rubber Fuel Transfer Vacuum Pump for Gas, Gasoline,Diesel, Water

["Input and Output Connections: Fit 8 mm or 9 mm fuel lines.","Wide Compatibility: This marine primer bulb works with most carburetors and low-pressure fuel systems, making it ideal for boats, cars, motorcycles, trucks, and helicopters etc. It’s compatible with both outboard and inboard engines, as well as vehicles without anti-theft filter nets.","Reliable Materials: Constructed from high-grade rubber and aluminum alloy, the fuel primer bulb resists wear and prevents leaks, ensuring long-lasting performance and dependable fuel priming.","User-Friendly Design: The portable boat fuel bulb features a directional arrow for easy installation, helping you quickly identify the inflow and outflow. The reinforced metal springs on the hose connectors add extra durability and prevent leaks.","Customer Satisfaction Guaranteed: You can trust our premium fuel line hand primer bulb. H-veenjor is committed to providing exceptional customer support. If you have any questions, don’t hesitate to contact us."]