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25% Off Online Orders of Select Parts and Accessories. Enter Promo Code FOUND25 in Cart

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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code FOUND25 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 2/27/17. Online orders scheduled for in-store pick up must be completed by closing on 2/26/17 for discount to apply.

Free Shipping on Orders Over $50 or in-store pickup

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  • Part #: 93516LP7|
  • SKU: 1032600

Available today after 1 p.m.

    • 5/16' model
    • Exclusive three-layer construction prevents collapse under vacuum and ballooning/bursting under pressure
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Attwood 5/16' Universal Primer Bulb

Attwood's Universal Primer Bulbs are designed to provide up to 60 percent more priming output than the competition, while exceeding EPA and CARB requirements for fuel evaporation. Our exclusive three-layer design resists collapsing and hardening and ensures high output in temperatures ranging from 18°F to 122° F. Includes dual high-efficiency check valves for faster priming and lower fuel restriction.Compatible with ethanol-blended fuels.
  • 5/16' model
  • Exclusive three-layer construction prevents collapse under vacuum and ballooning/bursting under pressure
  • Low-permeation material prevents evaporation
  • Sixty percent more output per pump than leading competitors for faster engine priming
  • Exclusive high-efficiency check-valves for faster priming and low fuel restriction (less than 1kpa restriction at 50 liters/hour)
  • Engineered hose barbs and stainless steel stepless clamps for leak- free performance
  • Compatible with Ethanol blended fuels
  • Operating temperature 18°F - 122°F
  • EPA and CARB certified
  • Tested to ABYC H-25 and US Coast Guard requirements