LSD Oilpump drivegear

Talk and Tech about turbocharged 924/944/968 cars
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adonay
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Hi folks i am in the process of planning a diff upgrade for a 944 Turbo 1986 open differential .
Now i have done this very same job in the past but that gearbox had a Limited Slip Diff from factory

*The gearbox has the external oil cooler and an internal oil pump but have been told that i need a different drive gear for the LSD , Does anyone have any info on this and perhaps part numbers?

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cda951
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You should check with a Porsche dealership parts department, but the catalog shows same drive gear part #2 for M220 LSD and open diff:

https://www.autoatlanta.com/porsche-par ... ion=302-10
Chris A.
---'86 944 Turbo track rat
---'90 944S2 Cab daily/touring car
---'73 BMW 2002tii road rally car
---'81 Alfa Romeo GTV6 GT car/Copart special
---'99 BMW Z3 Coupe daily driver/dog car
---'74 Jensen-Healey roadster
---other stuff

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adonay
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cda951 wrote: Mon May 18, 2026 9:38 pm You should check with a Porsche dealership parts department, but the catalog shows same drive gear part #2 for M220 LSD and open diff:

https://www.autoatlanta.com/porsche-par ... ion=302-10
Thanks i think i will install the diff and look/function test.
"Worst" case i will just install an external pump and aftermarket cooler

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