Sierra International 18-7278 Marine Fuel Pump
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Product Feature
- 86234A05 MC/
Product Description
86234A05 MC/OMC FUEL PUMPSierra International 18-7278 Marine Fuel Pump Review
If you're looking for a replacement for an 1986 - 89 OMC 3.0L mechanical fuel pump this will probably work. First item to note is the actuating arm is of slightly different shape but does fit. However in my case I wasn't totally convinced I had enough spring preload tension against the cam. Secondly be prepared to change your fuel line fittings. Both my original fittings for the suction side and pressure side are 1/4" this unit is designed for smaller fuel lines. In addition the physical size of this pump is smaller than stock so your stainless steel pressure line will need a little bending to make it line up. If you are brave you can drill and tap the ports to the correct size just don't over tighten when installing like I did and crack the aluminum. The boat did run with the pump but due to the tiny fracture (completely my fault) it would slowly drip gas from the pressure side fitting. Eventually I just decided to go with an electric fuel pump which is my recommendation and is cheaper anyway.Most of the consumer Reviews tell that the "Sierra International 18-7278 Marine Fuel Pump" are high quality item. You can read each testimony from consumers to find out cons and pros from Sierra International 18-7278 Marine Fuel Pump ...
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