Description
SIERRA 5/16-inch EPA/CARB Primer Bulb – 18-8004EP-1 is a hand-operated marine fuel primer bulb sized for 5/16 in. (7.9 mm) hose. It uses double check valves, Viton balls, stainless-steel springs and FKM construction to meet EPA/CARB low-permeation requirements.
This Sierra service part is intended for the application described below. Match hose size, connector style, engine family, drive model, or OEM reference number as applicable before installation.
Key Features
- 5/16 in. (7.9 mm) hose size
- Large capacity primer-bulb design
- EPA/CARB certified low-permeation construction
- Double check valves with Viton balls and stainless-steel springs
- 190.5 mm overall length including barbs
Specifications
- Hose inside diameter: 5/16 in. (7.9 mm)
- Compliance: EPA/CARB
- Body material: Fluoroelastomer (FKM)
- Capacity: Large capacity
- Application: Marine gasoline fuel-line priming
Interchange
- Attwood 93516LP7
- Johnson/Evinrude 174511
- Johnson/Evinrude 5008605
- Johnson/Evinrude 775638
- Mallory 9-38100
- Mercury 89396Q01
- Mercury 89396Q38


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