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Air/Oil Separator - Correct Part?

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I have a '99 996 motor in my Boxster. I just replaced the separator today. My old part no. was 996.107.023.51. The new one they sent me was 996.107.023.54. It looks the same except that there are two extra fittings on it. They are small-about the size to connect to vacuum hoses. I just plugged them up. Everything seems to be OK. Anybody else run into this or did I install the wrong part?


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According to the parts list that part number (996.107.023.51) is for a 97 Boxster 2.5 liter.

It was replaced by p/n 996.107.023.51 oil separator and 996.107.145.06 vent line.

That has been replaced by 996.107.023.02

which has been replaced by 996.107.023.03

and I think you still need the vent line.

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Sorry, let me clairify...

That is the correct part number for a MY99 - 01 Carrera 3.4 liter.

I think the Boxster has a different venting system so I am not sure how that will work.

You might PM or email Monster Boxster and see what he did when he put a Carrera motor in his Monster Boxster.

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