Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Anyone recognize this pump?

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Old Mar 10, 2010 | 01:08 PM
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Default Anyone recognize this pump?

It's off a mid 90s Mercruiser marine 502 EFI motor that is NLA. I'm assuming it's a standard GM pump, but cant find any markings on it.



Last edited by garys 68; Mar 11, 2010 at 10:09 AM. Reason: changed the year.
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Old Mar 11, 2010 | 05:55 AM
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looks like a walbro pump...
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Old Mar 11, 2010 | 08:32 AM
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Agreed, the layout, electric terminals and outlet are in the same orientation. But the one in the photo has a simple tube outlet rather than the inline walbros hex shape.
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Old Mar 11, 2010 | 09:52 AM
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Looks like an in-tank Walbro.
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Old Mar 11, 2010 | 10:01 AM
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It's definately not a 80's pump. Mercruiser did'nt produce any regular consumer EFI V-8 sterndrive or inboards until 1997. It could however be a 80's Mercury OUTBOARD efi consumer pump(not race division) that came on a Mercury V-6 Laser 220 horsepower outboard, from the mid 80's, that was discontinued after about three years production. I believe they used a 12 volt Bosch unit. These type pumps are still available in marine wholesale distributors catalogs.
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Old Mar 11, 2010 | 10:07 AM
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Oops, sorry, should have typed mid 90s, 96 I think. It was used in the vapor separator tank. I was looking for one with a similar layout, outlet, terminals, to mount in the tank similar to the original one.

Originally Posted by LS1GMCTruck
It's definately not a 80's pump. Mercruiser did'nt produce any regular consumer EFI V-8 sterndrive or inboards until 1997. It could however be a 80's Mercury OUTBOARD efi consumer pump(not race division) that came on a Mercury V-6 Laser 220 horsepower outboard, from the mid 80's, that was discontinued after about three years production. I believe they used a 12 volt Bosch unit. These type pumps are still available in marine wholesale distributors catalogs.
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Old Mar 11, 2010 | 10:33 AM
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Originally Posted by garys 68
Oops, sorry, should have typed mid 90s, 96 I think. It was used in the vapor separator tank. I was looking for one with a similar layout, outlet, terminals, to mount in the tank similar to the original one.
Yeah, like I said, any of the marine engine parts wholesale catalogs will have them. Such as Jerry's Marine, Land & Sea Distributing, etc. Good luck.
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