I just bought two fuel bulbs recently and was impressed the cheaper of the two.
The first was Mercury OEM bulb that was not better than an Attwood off your local Wal-Mart shelf. The check valve only work when flow was positioned vertically and overall it just felt like cheap knock-off. The second was inexpensive by comparison to the Mercury replacement and was made by company called MARPAC. Great fuel bulb, positive vacuum regardless of its orientation and generally feels like it will standup over time.
http://www.bluewateroutriggers.com/s...OW-PRIMER-BULB
Only goes to show - you don't always get what you pay for ....
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74 V20 CC with a 150 Johnson (Gone but not forgotten)
89 V20 Cutty with a Tower (Build in process)
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