Attwood Marine Primer Bulb for 5/16-Inch Hose - Model 93516LP7

Primer Bulb - 5/16" Inner Diameter Hose

This Atwood Primer Bulb is engineered and constructed to deliver the most reliable priming and long-term leak-free performance. The exclusive three-layer construction prevents collapse under vacuum and prevents ballooning or bursting under pressure. The low-permeation material prevents fuel evaporation, and this bulb delivers 60 percent more output per pump than leading competitors.

Features:

• It is intended for use with a 5/16-inch interior diameter hose
• Exclusive high-efficiency check-valves deliver faster priming and low fuel restriction (less than 1kPa restriction at 50 liters/hour)
• Engineered hose barbs and stainless steel stepless clamps ensure leak-free performance
• This bulb is compatible with Ethanol blended fuels, and it is EPA and CARB certified

The Attwood Marine Primer Bulb with part number 93516LP7 is designed to provide reliable and efficient fuel priming for marine and small engine applications. Crafted with an innovative three-layer construction, this primer bulb prevents collapse under vacuum and avoids ballooning or bursting under pressure, ensuring long-term durability and leak-free operation. Its low-permeation material minimizes fuel evaporation, helping maintain fuel integrity and reduce emissions. Delivering 60 percent more output per pump compared to leading competitors, this bulb enhances performance and reduces priming time for a more efficient fuel system.

This primer bulb is specifically intended for use with 5/16-inch interior diameter hoses, making it compatible with a wide range of marine fuel systems. Featuring exclusive high-efficiency check valves, it allows for faster priming and offers low fuel restriction levels, with less than 1 kPa restriction at 50 liters per hour. Engineered hose barbs combined with stainless steel stepless clamps ensure a secure, leak-free connection, preventing fuel leaks and maintaining system integrity. The bulb is compatible with ethanol-blended fuels and is both EPA and CARB certified, meeting strict environmental and safety standards.

Ideal for boat owners and marine technicians, the Attwood Primer Bulb offers reliable performance in demanding conditions. Its compact design and robust construction make it easy to install and durable over time. Whether you're refueling or priming your fuel line, this primer bulb provides consistent, efficient operation, reducing downtime and maintenance needs. Trust in the quality and engineering of Attwood Marine to keep your fuel system running smoothly and safely, backed by certification standards and proven performance enhancements.

Features:

• Designed for use with 5/16-inch interior diameter hoses

• Exclusive high-efficiency check valves for faster priming

• Low fuel restriction: less than 1 kPa at 50 liters/hour

• Engineered hose barbs and stainless steel stepless clamps for leak-free connection

• Compatible with ethanol-blended fuels, EPA and CARB certified