ATTWOOD PRIMER BULB 3/8 ID

The Attwood Multi-Layer Primer Bulb is designed to provide up to 60% more priming output than leading competitors in extreme conditions while exceeding new EPA requirements to prevent fuel evaporation. Attwood's exclusive three-layer design ensures high fuel pumping output in hot temperatures (up to 122°F) and cold temperatures (down to 18°F) while resisting collapse and hardening. Includes dual high-efficiency check valves that prime in any orientation with low-restriction fuel flow that ensures proper engine operation and aids fuel pump durability. Designed to exceed OEM engine fuel flow requirements.

• Low Permeation Primer Bulb prevents prevents fuel evaporation
• Exclusive three-layer construction prevents primer bulb collapse under vacuum and ballooning/bursting under pressure
• 60% more output per pump than leading competitors
• Provides faster engine priming and fewer strokes to prime
• For use with 3/8" fuel hose
• Operating temperature 18°F - 122°F
• Tested to ABYC H-25 and USCG requirements
• Engineered hose barbs are designed ensure leak-free performance
• Designed to exceed OEM engine fuel flow requirements