OEM Compressor Oil Viscosity

Moderators: Nacho, Tom Greenleaf, ACProf, acsource

OEM Compressor Oil Viscosity

Postby DPM » Sat Feb 11, 2006 5:40 pm

It's pretty clear that anything with R134 uses PAG oil, and capacities are easy to obtain. However, it is not always clear what the design viscosity is for a given system. For example: Toyota uses SP-10 or SP20; Nissan Type R, Type F (assume Toyo/Nissan designations are for two different viscosities, but what are they?); Honda/Acura ND-8,
There may also be some special oil blends that the OEM uses that have other anti-friction additives. My major concern is that I at least install the right oil viscosity that the compressor/system was designed to use.
Anyone have a cross reference list for OEM AC compressor oil designations that gives the oil viscosity? Thanks!
Posts: 29
Joined: Sat Jul 16, 2005 6:41 pm
Location: Oahu, Hawaii

In general...

Postby Nacho » Sat Feb 11, 2006 7:07 pm

PAG 150 is virtually used by GM vehicles with Harrison/Delphi compressors.
Most vehicles with NIppondenso, Motorcraft, and Scroll-type compressors use PAG 46. Pag 100, the other common viscosity is used by Sanden and Seltec.

SP10 = PAG 46
SP20 = PAG 100
ND8 = PAG 46

If you are not sure, you can always use PAG 100 (medium viscosity) oil, however. Although it won't harm the system, it is not recommended to mix viscosities.
User avatar
Posts: 2484
Joined: Tue Jun 28, 2005 2:41 am
Location: Hermosillo, Sonora, MEXICO
Favorite Refrigerant: R134a

Postby Hal » Sat Feb 11, 2006 10:44 pm

Pehaps this will help you muddle thru the OEM's "secret "oil designations


Posts: 810
Joined: Tue Aug 09, 2005 11:14 am
Location: baltimore MD

Postby DPM » Sun Feb 12, 2006 4:11 am


Thanks Hal!

And thanks to Nacho also for his reply. Reliable as ever.....

Hope others can benefit from this list. It's just what I was looking for.

Posts: 29
Joined: Sat Jul 16, 2005 6:41 pm
Location: Oahu, Hawaii

Re: OEM Compressor Oil Viscosity

Postby 510man » Mon Jul 25, 2016 6:03 pm

I found this conversion chart looking for the answer to the same ND8 question. The previous link in this string is no longer valid.


Hope it helps the next guy.

P.S. - Sure wish we could add PDF, JPG and a few other file attachments to a forum post to help good information to everyone. .
Posts: 58
Joined: Sat Jan 14, 2006 11:49 pm

Return to A/C Questions and Opinions

Who is online

Users browsing this forum: Bing [Bot], Majestic-12 [Bot], The Google [Bot] and 10 guests