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What is Shell brand Porsche Approved gear oil for Manual trans & front diff


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Hey guys,

I have found quite a few threads regarding the Porsche approved gear oils for 6MT and the front diff. But I want to verify if there is a current or updated list that someone could post up?

If I'm not mistaken Mobilube PTX is one of the approved oils but I have read a few threads that mention a Shell gear oil as well. I believe it was called Shell Transaxle 75w-90 but I think the name has been changed to Shell Spirax S5 ATE 75w-90.

I am getting ready to order a 20 liter container of Shell Spirax S5 ATE 75w-90 and I'd just like to make sure it is Porsche approved for our manual trans and front diff.

Thanks in advance!

BTW I've attached a pdf of the datasheet for the Shell Spirax S5 ATE and a small screenshot below of where it states that it was previously called Shell Transaxle.




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  • 3 weeks later...

Just in case anyone stumbles on this thread in the future, I was able to locate a document that specifically states the Shell SPIRAX S5 ATE 75W-90 (new name for "Shell Transaxle") is Approved by Porsche...




I have also attached a pdf of the entire document...


Edited by gophaster
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