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Re: GM Truck Fuel Pump Lifespan
Posted to Technical Discussion Forum on 2/24/2021 8 Replies

Ken,

My 99 Tahoe is on its third pump in 270K miles. The oem went about 125. The second one (AC Delco) went to about 170k. I had to replace the fuel tank at about 250k so I replaced the pump at the same as a preventive measure :) This latest one is driving m... Login to read more.

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