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Lift Pump Plunger O Ring

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Old 07-19-2007, 06:21 PM
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Lift Pump Plunger O Ring

Lift pump replaced about 4 months ago. Starting to get a little drip from the plunger/primer bulb.

I have searched and read many posts regarding the O ring being a replaceable item. No where can I find a size of the O ring listed. Does anybody know?

I know I could measure it after removal, and or bring it with me to the auto parts store, but wanted to get everything ahead of time so I could switch it out with minimal down time.

Anybody know??? Thanks, KD
Old 07-20-2007, 11:10 AM
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Maybe you could go to a Cummins parts or even the dealer and check out the "O" ring on a lift pump that is in stock.
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