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 Automatic Transmission Fluid for Subaru –1 Quart, Pack of 2 - Red | Formulated for Premium Performance in Subaru Automatic Transmissions | Part No. 30040099-75000C020

Idemitsu ATF Type HP Automatic Transmission Fluid for Subaru –1 Quart, Pack of 2 - Red | Formulated for Premium Performance in Subaru Automatic Transmissions | Part No. 30040099-75000C020

Product ID: 44721590

Details

Brand
Idemitsu
Liquid Volume
32 Fluid
Material
(PTFE)
Package Information
Bottle
Recommended Uses For Product
Transmission

🔥High 174°C flash point

⚙️Precision friction control

🛡️Advanced anti-wear tech

Description

🛠️ Drive Smooth, Stay Ahead – The Fluid That Powers Subaru Excellence

LONG LASTING FLUID LIFE - Superior oxidation resistance extends transmission protection
LEAK PROOF SEAL CONDITIONING - Prevents seal shrinkage and cracking for worry-free drives
SPOTLESS TRANSMISSION HEALTH - Keeps gears free from sludge and varnish buildup
SEAMLESS SHIFTS ZERO SHUDDER - Engineered friction for buttery smooth gear changes
MAXIMUM GEAR BEARING DEFENSE - Cutting-edge anti-wear formula guards critical components

Idemitsu ATF Type HP is a premium automatic transmission fluid designed specifically for Subaru vehicles, delivering exceptional frictional precision for smooth shifting, robust anti-wear protection, and superior resistance to oxidation and thermal breakdown. Its advanced formula maintains transmission cleanliness and conditions seals to prevent leaks, ensuring long-lasting performance and reliability under demanding driving conditions.

Specifications

ASIN	B0G53LV7QC
Best Sellers Rank	#31,635 in Automotive ( See Top 100 in Automotive ) #93 in Transmission Fluids
Brand	Idemitsu
Brand Name	Idemitsu
Customer Reviews	4.8 out of 5 stars 425 Reviews
Flash Point	174 Degrees Celsius
Included Components	Idemitsu ATF Type HP
Item Form	Oil
Liquid Volume	2 Quarts
Manufacturer	Idemitsu
Number of Items	2
Part Number	30040099-95300C020
Recommended Uses For Product	Automotive
Specific Uses For Product	Subaru automatic transmissions
UPC	810041471376
Unit Count	64.0 Fluid Ounces

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