How can i be sure this is the authentic idemitsu brand and not fake, and, this meets the specs for a 2011 subaru outback 3.6r?

(I'm thinking the 3.6R got the old school 5EAT and not the newer CVT.) The shipment I received appeared to be genuine, equivalent to Subaru ATF-HP. If it was counterfeit, they did an extremely good job copying the bottle and the label; and what would they have put in the bottle that would have been significantly cheaper than ATF-HP but not as good? Bottom line, I don't know how you would tell if the product you received was counterfeit.

What color is good on the stick after 150,000?

New, out of the bottle fluid is red. If you haven't changed it in 150,000 miles I would bet it is dark brown and more viscous. Red is best. For a quick solution, with the motor off you can siphon most of the fluid out of the holding tank and replace it with this fluid. After a week you can do it again and you should be good.

Is this good for 2008 Subaru Outback automatic transaxle (2.5i 4-cylinder engine)?

This is the fluid that Subaru specifies. See page 11-24 of your owners manual for more information on recommended fluids and capacity for your automatic transmission. I use this ATF in my 2008 Subaru Outback 2.5i.

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Idemitsu ATF Type HP Transmission Fluid for Subaru – 1 Quart

Product ID: 271969366

Details

Brand
Idemitsu
Liquid volume
32 Fluid
Material
(PTFE)
Package information
Can
Recommended uses for product
Transmission

🔥High 174°C flash point

⚙️Precision friction control

🛡️Advanced anti-wear tech

₪333

Duties & taxes included

In stock

Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Shift into Subaru-specific perfection with Idemitsu ATF Type HP!

ENDURANCE BEYOND LIMITS - Exceptional oxidation and thermal resistance extend fluid life, keeping your transmission protected mile after mile.
SEAMLESS SHIFTING MASTERY - Engineered frictional properties ensure buttery smooth gear changes and eliminate shudder for a premium driving feel.
LEAK PROOF SEAL CONDITIONING - Optimized seal compatibility prevents leaks by combating shrinkage, hardening, and cracking—keeping your ride flawless.
SPOTLESS TRANSMISSION HEALTH - Superior cleanliness formula prevents sludge and varnish buildup, maintaining peak performance and longevity.
ULTIMATE GEAR BEARING DEFENSE - Cutting-edge anti-wear technology shields critical components, reducing costly repairs and downtime.

Idemitsu ATF Type HP is a premium, Subaru-approved automatic transmission fluid designed specifically for non-CVT Subaru models up to 2005. It delivers precise frictional control for smooth shifting, outstanding anti-shudder performance, and advanced anti-wear protection. With superior oxidation resistance and seal conditioning, it extends fluid life and prevents leaks, ensuring your transmission stays clean and reliable under demanding conditions.

Specifications

ASIN	B071X4DVRM
Best Sellers Rank	#91,518 in Automotive ( See Top 100 in Automotive ) #113 in Automotive Transmission Fluids
Brand Name	Idemitsu
Compatible Material	Transmission Fluid
Container Type	Can
Customer Reviews	4.8 4.8 out of 5 stars (422)
Flash Point	174 Degrees Celsius
Global Trade Identification Number	00852967006096
Included Components	Quart of Idemitsu ATF Type HP
Item Form	Liquid
Item Highlight	For Subaru HP Spec Non-CVT Transmissions \| Anti-Wear & Anti-Shudder \| ISO & IATF Certified
Item Type Name	ATF Type HP Automatic Transmission Fluid (1 quart)
Liquid Volume	32 Fluid Ounces
Manufacturer	Idemitsu
Material	Polytetrafluoroethylene (PTFE)
Model Number	30040099-75000C020
Number of Items	1
Number of Packs	1
Part Number	30040099-75000C020
Recommended Uses For Product	Transmission Fluid
SAE J300 Viscosity Grade	5W-20
Specific Uses For Product	Automatic Transmission Lubrication and Maintenance for Subaru Vehicles with HP Specifications
UPC	852967006096 852967006539
Unit Count	32.0 Fluid Ounces
Upper Temperature Rating	174 Degrees Celsius

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Received my product in pristine condition. Great service overall.

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