Attwood Primer Bulb - 5/16" Inner Diameter Hose

Meet the Attwood Primer Bulb for a 5/16" inner diameter hose — the smart upgrade your marine fuel system deserves. Expertly engineered to deliver reliable priming and long-term, leak-free performance, this primer bulb is built to withstand demanding conditions on the water.

Key Benefits

• Three-layer construction prevents collapse under vacuum and stops ballooning or bursting under pressure for dependable operation.
• Low-permeation material minimizes fuel evaporation, while delivering 60 percent more output per pump than leading competitors.
• Exclusive high-efficiency check-valves provide faster priming and low fuel restriction (less than 1 kPa restriction at 50 liters/hour).
• Engineered hose barbs and stainless steel stepless clamps ensure a leaks-free, secure connection.
• Ethanol-blended fuels compatible and EPA and CARB certified for reliable, compliant performance.
• 5/16" interior diameter hose compatibility fits standard marine fuel lines for easy installation.

Manufacturer: Attwood Marine • Part No: 93516LP7 • UPC: 022697935168.