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The Subaru Turbo Oil Cooler 21311AA051 is a genuine OEM component engineered to optimize engine oil temperature for turbocharged Subaru models including WRX, STi, Legacy, and Outback from 2002 to 2009. Lightweight and precision-built, it ensures reliable cooling performance to maintain engine efficiency and longevity under demanding driving conditions.
Manufacturer | Subaru |
Brand | Subaru |
Model | 21311AA051 |
Item Weight | 0.319 ounces |
Item model number | 21311AA051 |
Is Discontinued By Manufacturer | No |
Manufacturer Part Number | 21311AA051 |
OEM Part Number | 21311 AA051 |
A**R
Fits 05-09 Legacy GT/OBXT
You won't find this OEM Oil cooler cheaper from any other seller. Buy from Heuberger.I ALWAYS recommend Heuberger on Legacygt.com as the place to go when you need OEM parts. Even better is that they've got their online storefront AND an Amazon storefront, both of which are easy to use and build the list of parts you need.If you're doing an engine rebuild on ANY late-model turbo Subaru due to catastrophic and/or rod bearing or turbo failure, you will be well-advised to replace the oil cooler, as well as the oil pump; for good measure, I also replaced my OCVs (10921AA020) and anything else that carries oil throughout the engine. Consider the latter as "cheap insurance" against any issues that may arise post-rebuild.Look at the bottom, Frequently Bought Together -- You'll see this and the 11mm (STi) oil pump(15010AA360) bundled. You won't find either of them for a better price, anywhere else.
B**Y
Genuine part. great price. couldn't ask for more
Genuine subaru oil cooler. Fit my 02 WRX with 2.5L hybrid engine. Recommended by numerous engine builders that the oil cooler is always replaced during a rebuild to prevent debris in the old part from entering the new engine. This one was priced very well (even beat parts.bestbuysubaru.com which is usually always the cheapest price on genuine subaru parts).
E**.
OEM Part
OEM part as expected. The packaging was a little lacking, but the part made it with no signs of damage.
R**N
Oem and best deal
Purchased for my 07 sti as best price I could find and it’s Oem just as stated. Very happy with the price
J**Y
Excellent price for OEM
Factory Subaru part brand new in box, fit right up to my ej257 on my 06 STi.
S**O
OEM STi style cooler. I upgraded to this on ...
OEM STi style cooler. I upgraded to this on my 2004 Forester XT and found out it is much larger in diameter and height than my stock unit. One thing to keep in mine is you WILL have to cut the heat shields on the crosspipe when using this with the factory Forester XT exhaust manifolds/crossover pipe.
A**R
Wrong
Sent me a water pump gasket!! Not what I saw in the picture or would ever spend 200 dollars for. An absolute sham!!! DO NOT PURCHASE!!
R**M
perfect fit @great price
Oem oil cooler for ej205. Comes with new gasket just reuse original bolt. 24mm deep socket required for replacement. The original cooler and oil pump should be replaced if you've got bad rod bearings.
Trustpilot
2 days ago
1 week ago