Original GM Big Block Chevy Deep Oil Pan w/ Windage Tray & Oil Pump/Pickup 6 Quart

**dvss1** · #1 08-19-2022, 01:33 AM

I thought the pump for this pan was
GM #3879640 #3964255 with the pickup welded to the pump. Did gm make more than one pump that fits this pan?

**SuperNovaSS** · #2 08-19-2022, 02:50 AM

Quote:

Originally Posted by dvss1

I thought the pump for this pan was
GM #3879640 #3964255 with the pickup welded to the pump. Did gm make more than one pump that fits this pan?

That is why I specifically addressed this in the ad. Are you aware of 2 different part numbers for the pump/pickup?

Thanks,

Jason

**lbnaz** · #3 08-19-2022, 07:52 PM

Here are some part numbers and photos from GM Special Performance catalog. Nice stuff. Larry

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