Attwood Marine multi-layer primer bulbs are engineered for superior fuel delivery performance and long-lasting durability. Featuring a proprietary three-layer construction, these primer bulbs resist collapsing and hardening while delivering exceptional spring-back action and efficient fuel flow. Designed to perform in temperatures ranging from 18°F to 122°F, they ensure reliable priming in both cold and hot conditions. Attwood primer bulbs include high-efficiency check valves with advanced Viton O-rings that offer a 30 percent improvement in priming performance over standard models, while maintaining low permeation and full compliance with EPA and CARB regulations.

Features:

• Three-layer design prevents collapse and ensures consistent fuel flow
• Performs reliably in extreme temperature environments
• Viton O-rings in high-efficiency check valves for enhanced sealing and priming
• Low permeation construction meets EPA and CARB compliance
• Will not crack or harden over time
• No risk of material delamination
• Available in 1/4 inch, 5/16 inch, and 3/8 inch sizes

Models Available:

• Attwood Marine 93014LP7 Primer Bulb for 1/4 inch fuel lines
• Attwood Marine 93516LP7 Primer Bulb for 5/16 inch fuel lines
• Attwood Marine 93038LP7 Primer Bulb for 3/8 inch fuel lines