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Discussion Starter · #1 ·
So, after a bit of checking and asking, NAPA Autoparts can get Mobil 1 ESP 0w30. Autozone and Advance can't get it, O'Reilly can get Red Line (special order) or Castrol Edge (U.S. formula, not European).

NAPA store has to order by the case (6 quarts), but the Roanoke store was OK with me just buying 2 of them (just want some of the rig spec oil on hand). He'll have 4 more quarts in store by tonight, on sale till Sunday at $5.99 a quart.
 

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So, after a bit of checking and asking, NAPA Autoparts can get Mobil 1 ESP 0w30. Autozone and Advance can't get it, O'Reilly can get Red Line (special order) or Castrol Edge (U.S. formula, not European).

NAPA store has to order by the case (6 quarts), but the Roanoke store was OK with me just buying 2 of them (just want some of the rig spec oil on hand). He'll have 4 more quarts in store by tonight, on sale till Sunday at $5.99 a quart.
Does the Mobil 1 conform to the stated Fiat engine oil spec 9.55535-GS1?
There is some good info on one of the posts here:
http://www.giuliaforums.com/forum/8...ves-lubrications/19113-approved-alfa-oil.html
 

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Discussion Starter · #3 · (Edited)
Yes, it appears to:

Fiat 9.55535-GS1 Engine Oil is a mid SAPS 0w-30 lubricant, based on ACEA C2 specification


Mobil 1 ESP 0w30 meets ACEA C2 and C3 standards.

Edit: Posted a question about it meeting the spec on that thread. Either way, I want some 0w30 synthetic in the garage, "in case".
 

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Yes, it appears to:

Fiat 9.55535-GS1 Engine Oil is a mid SAPS 0w-30 lubricant, based on ACEA C2 specification


Mobil 1 ESP 0w30 meets ACEA C2 and C3 standards.

Edit: Posted a question about it meeting the spec on that thread. Either way, I want some 0w30 synthetic in the garage, "in case".
From my study ACEA C2 does not necessarily also meet Fiat 9.55535-GS1. Some here seem to be shocked to spend $9 plus for a quart of oil. I paid $9.49 for Pennzoil Fiat Spec oil. I now have a 25% coupon for my next quart. My Giulia has a special engine and needs a special oil that is specifically specified. This is currently a somewhat rare oil and thus the higher price. Supply and demand.
 

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Discussion Starter · #5 ·
Just got off Mobil UK's website where the recommended oil for the 2.0 Giulia is Mobil 1 0w30 ESP. It lists C2 and C3, VW 504 00/507 00, MB-Approvals 229.31 .51 and .52, plus Porsche C30. Does not list Fiat 9.55535-GS1, but as a manufacturers website, the legal liabilities are pretty big...IDK.
 

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Just got off Mobil UK's website where the recommended oil for the 2.0 Giulia is Mobil 1 0w30 ESP. It lists C2 and C3, VW 504 00/507 00, MB-Approvals 229.31 .51 and .52, plus Porsche C30. Does not list Fiat 9.55535-GS1, but as a manufacturers website, the legal liabilities are pretty big...IDK.
It seems to me that you are concluding that since oils like Petronas Selenia Digitek Pure Energy 0W-30 which come in the Giulia from the factory meet the Fiat 9.55535-GS1 and also the ACEA C2 spec, that any oil that meets the ACEA C2 spec will then also meet the Fiat 9.5535-GS1 spec. I don't think that is correct. Any oil you use should specifically say that it meets Fiat 9.55535-GS1. Oils that meet ACEA C2 do not automatically meet Fiat 9.55535-GS1.

Here is a post quote from the Fiat Forum:

The manufacturer's factory fit oil is:
(Petronas) Selenia Digitek Pure Energy meeting specifications Fiat 9.55535-GS1 or MS.90048 and characteristics 0W-30 ACEA C2 / API SN
Possible alternatives in the research are as below:
Castrol Edge 0W-30 C3 but no Fiat 9.55535-GS1 approval approval
Castrol Edge Professional H C2 0W-30 but no Fiat 9.55535-GS1 approval (Approved for and available at Honda dealers

Mobil 1 ESP 0W-30 ACEA C2/C3 but no Fiat 9.55535-GS1 approval
Shell Helix Ultra ECT C2/C3 listed Fiat 955535.GS1 & Fiat 955535.DS1 (meets requirements) but I guess no formal approval. (???)
This is the technical bit (see below for ACEA C2 & C3 details)
My specific concern is can an oil which claims to meet C2 and C3 ACEA ratings be safely used in place of a C2 only rated oil?
So I then consulted technical support and Texaco, Mobil and Shell
o Texaco with their C3 oil said they would not recommend using it!
o Mobil with their C2/C3 oil said they would not recommend using it!
o Shell with their C2/C3 oil said they meet/exceed Fiats GS-1 requirements so usage is OK.

I went to the Mobil UK site and it did list the Mobil 1 ESP 0W-30 for Giulia. However, it did also say:

Mobil 1 ESP 0W-30 has the following builder approvals:
VW 504 00 / 507 00
MB-Approval 229.31
MB-Approval 229.51
MB-Approval 229.52
Porsche C30


Since it does not specifically list Fiat/Alfa with builder approval I would still not use.

BTW: I went to Mobil USA. They say: ..... your vehicle manufacturer recommends a 0W-30 viscosity and oil that meets Alfa Romeo MS-13340. We currently do not offer any motor oils in the United States that meet these specifications.... (MS-13340 is the same as Fiat 9.55535GS1)
 

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Discussion Starter · #7 ·
No, not "assuming that", but it seems the oil is in the right ballpark. I worked a way to get to the U.S. Mobil 1 site, and as you noted the same search that brings up Mobil 1 0w30 ESP on the U.K. website says no such oil in the U.S. Quite messy, the good news is that I'm only keeping this in the garage to add if I need a bit, so it should work for me. I pulled the technical specs and it's darn close to the Petronas technical specs, so I suspect this is a case of Mobil doesn't see the value in chasing approval in the U.S. for now. Thanks for the information, J4QN!
 

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Discussion Starter · #8 ·
OK, finally found a way to get the Pennzoil Platinium Euro LX 0w30 (2.0T fill) in the DFW area. The local Advance Auto Parts stores can’t easily pull it up without a part number, so you need “550043041”. With that, they can locate and/or order.

In the Northeast Tarrant County area, only the “hub” store seems to have it in stock, but the others can get it within a day from there. The hub store is the Haltom City store #7588, located at Halton Road and E Belknap (2300 Halton Road, Haltom City, TX 76117).
 
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