Attwood Marine Primer Bulb with 3/8-Inch Inner Diameter Hose for Reliable Fuel Priming

Primer Bulb - 3/8" Inner DiameterHose

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 3/8-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 93038LP7 is designed to provide efficient and dependable fuel priming for marine and other fuel transfer applications. Constructed with exclusive three-layer technology, this primer bulb resists collapse under vacuum and prevents ballooning or bursting when under pressure, ensuring long-term leak-free operation. Its low-permeation material minimizes fuel evaporation, making it an ideal choice for maintaining fuel integrity over time. This bulb delivers approximately 60 percent more output per pump compared to leading competitors, significantly reducing priming time and effort for users.

Engineered specifically for use with 3/8-inch interior diameter hoses, the Attwood primer bulb features high-efficiency check valves that facilitate faster priming and maintain low fuel restriction—less than 1 kPa at a flow rate of 50 liters per hour. The hose barbs are designed for a secure fit, and stainless steel stepless clamps provide a leak-proof seal, ensuring safe and reliable operation in demanding environments. Suitable for ethanol-blended fuels, this primer bulb complies with EPA and CARB standards, making it environmentally compliant and safe for marine use.

Whether for boat fuel systems, small engine applications, or other fuel transfer needs, the Attwood Primer Bulb offers durability, efficiency, and peace of mind. Its compact size and robust construction make it easy to install and maintain, providing consistent performance over time. The combination of innovative design features and quality materials ensures that this primer bulb is a dependable component for any fuel transfer system requiring a 3/8-inch hose connection.

Features:

• Designed for use with 3/8-inch interior diameter hoses

• Exclusive high-efficiency check valves enable faster priming and low fuel restriction

• Engineered hose barbs and stainless steel stepless clamps ensure leak-free performance

• Constructed with three-layer technology to prevent collapse and rupture

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