Primer bulbs meet 2011 EPA regulations for low permeation of fuel with the look and feel of the previous bulbs. They offer superior resistance to UV, ozone, and alcohol enhanced fuel. Check valves feature stainless spring and viton balls to resist sticking.
| Brand | Dometic / Sierra Engine Parts |
| Hose | 3/8" ID |
| Fits | Mercury 1330A3, 13330A3 Johnson/Evinrude 174512 |