The Maintenance Minder says that I need to change the Rear Differential Fluid. The Manual lists DPSF-II as the required fluid. I can't find it on the Internet! The 1st link on Google is "Dual Pump II Differential Fluid" which Amazon says does not fit my model:

There is also this one (DPSF):
https://acura.bernardiparts.com/Acur...200-9007A.aspx

Neither of them is DPSF-II!

Can anyone provide a link, or at least a picture, of the right fluid? Maybe an Acura part number? I remember having the same issue with my previous RDX 2008 -- and I attributed it to the car being old and service becoming spotty. But this car, and its manual, are just a year old! Why would they reference a fluid that does not exist?

 

The second one is DPSF II, the original was used previous to 2007. There is a thread here that goes over all the fluid types, part numbers and amounts you will need,
but I just can't find it.

 

The Acura DPSF oil is the same as Honda dual pump II oil.
They both have the same part number 08200-9007. The Acura has an A at the end to specify the Acura bottle branding. This is the same across all Acura parts.

 

This has always been my understanding as well.

I serviced the rear differential on our 13 RDX the other day and used the Honda Dual Pump Fluid II I had on the shelf. It's the same stuff used in the rear differential of the Element.

The fluid which came out looked very close in color (litter darker) and viscosity to the Honda DPF II I put back in.

 

Cool, thanks for the help everyone! Since DPSF seems to be sold for less than Honda DPF II, I'll just get the former.