Attwood Primer Bulb - 3/8" Inner Diameter Hose

The Attwood Marine primer bulb is made for fuel lines using 3/8-inch inner diameter hose. It is designed for marine engine fuel priming where ethanol-blended fuel compatibility and low fuel restriction are required.

• Hose size: For 3/8-inch interior diameter hose
• Construction: Three-layer design resists collapse under vacuum and ballooning or bursting under pressure
• Fuel handling: Low-permeation material helps reduce fuel evaporation
• Priming: High-efficiency check valves support faster priming and low fuel restriction
• Restriction: Less than 1kPa at 50 liters/hour
• Connections: Engineered hose barbs with stainless steel stepless clamps
• Fuel compatibility: Compatible with ethanol-blended fuels
• Certifications: EPA and CARB certified