Attwood Primer Bulb - 3/8" Inner Diameter Hose

Ensure your marine engine starts smoothly every time with the Atwood Primer Bulb. Specifically designed for boating applications, this primer bulb offers unmatched reliability and performance, making it an essential component for your vessel's fuel system.

Features

• Designed for 3/8" inner diameter hoses, perfect for most marine applications
• Exclusive high-efficiency check-valves enable faster priming and minimize fuel restriction (less than 1kPa at 50 liters/hour)
• Engineered hose barbs and stainless steel stepless clamps provide secure, leak-free connections
• Compatible with ethanol-blended fuels, ensuring versatility with modern marine fuels
• EPA and CARB certified, meeting stringent environmental standards

Advanced Construction

The Atwood Primer Bulb features a robust three-layer construction that ensures durability under demanding marine conditions. This design prevents the bulb from collapsing under vacuum and resists ballooning or bursting when subjected to pressure, guaranteeing long-term, leak-free performance.

Superior Performance

With a low-permeation material that combats fuel evaporation, the Atwood Primer Bulb delivers up to 60% more output per pump compared to leading competitors. This enhanced efficiency ensures that your marine engine receives a consistent fuel supply, optimizing performance and reliability on the water.

Technical Specifications

Specification	Details
Inner Diameter	3/8"
Fuel Compatibility	Ethanol-blended fuels
Certifications	EPA, CARB
Output Increase	60% more per pump
Fuel Restriction	Less than 1kPa at 50 liters/hour

Installation and Usage

Installing the Atwood Primer Bulb is straightforward thanks to its engineered hose barbs and stainless steel stepless clamps, ensuring a secure and leak-free fit. For detailed installation instructions, refer to our Quick Guide (PDF).

Why Choose Atwood for Your Marine Needs

Atwood stands as a trusted name in marine fuel systems, delivering components that combine reliability, durability, and performance. The Atwood Primer Bulb is a testament to this legacy, crafted to meet the unique demands of marine environments and ensure your boating adventures are powered smoothly and safely.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.