Dorman 918-871 Engine Oil Cooler 06-21 Subaru Forester WRX STI WRX 21311AA120
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$207.59
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This engine oil cooler is designed to match the fit and function of an original equipment cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion or damage.
- Direct replacement - this engine oil cooler is designed to match the fit and function of an original equipment cooler on specified vehicles
- Ideal solution - engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion or damage
- Durable construction - designed and manufactured to strict specifications for reliable performance
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006-2013 | Subaru | Forester | 2.5L H4 | |
| 2012-2016 | Subaru | WRX | 2.5L H4 | |
| 2019-2021 | Subaru | WRX STI | ||
| 2013-2018 | Subaru | WRX STI | 2.5L H4 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 918-871 |
| UPC | 194883410299 |
| Length | 4 in. |
| Color | Braised Metallic |
| Thickness | 0.75 in. |
| Width | 4 in. |
| Mounting Hardware Included | No |
| Diameter | 3.2 in. |
| Finish | Polished |
| Core Material | Aluminum |
| Inlet Diameter | 0.4 in. |
| Outlet Diameter | 0.4 in. |
| Depth | 2 in. |
| Cable Included | No |
| Inlet Outside Diameter | 0.45 in. |
| Outlet Outside Diameter | 0.45 in. |
| Base Height | 0.85 in. |
| Grade Type | Standard Replacement |
| Core Tube Width | 0.5 in. |
| Inlet Fitting Gender | Male |
| Tube Included | No |
| Inlet Gender | Male |
| Core Row Quantity | 8 |
| Core Color | Polished |
| Core Charge Applicable | Yes |
| Item Grade | Standard Replacement |
| Package Contents | 1 Engine Oil Cooler |
| Tank Included | No |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 21311AA120 | Subaru (OE) |
|---|---|
| OCK56 | Interchange |