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The Genuine Subaru OEM Oil Cooler Hose (Part #21338AA120) is the factory-original replacement hose designed specifically for 2010–2019 Subaru Legacy and Outback models equipped with the 3.6L H6 (36D) engine. This is the exact same component installed at the factory, ensuring a perfect fit, proper sealing, and reliable oil cooling performance. Choosing an OEM hose over aftermarket alternatives guarantees compatibility with your Legacy's oil cooler system and preserves your vehicle's factory integrity.
| Subaru Part Number | 21338AA120 |
|---|---|
| Part Type | Oil Cooler Hose |
| Brand | Genuine Subaru OEM |
| Engine Application | 3.6L H6 (EZ36D) |
| Condition | New OEM |
This Genuine Subaru OEM Oil Cooler Hose (21338AA120) is compatible with the following vehicles:
2010-2019 Subaru Legacy
2010-2019 Subaru Outback
Note: Always confirm fitment using your vehicle's VIN or consult your Subaru parts catalog before ordering. Fitment may vary by trim level and production date.
This oil cooler hose is a direct OEM replacement and is designed to install using factory mounting points and connections. While mechanically inclined owners may perform this replacement at home, professional installation by a certified Subaru technician is recommended to ensure proper torque specs, leak-free connections, and safe operation. Always depressurize the cooling/oil system and allow the engine to cool completely before beginning any hose replacement.
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