Subaru OEM Head Gasket Subaru WRX 2006-2014 / STI 2007-2016 | 11044AA770

Part #: 11044AA770. This OEM Subaru head gasket for EJ255 2.5L WRX and EJ257 2.5L STi is made of multi - layered steel. It can handle high boost pressures and extreme temperatures. Note that 2.5L Subaru engines made before 06/2006 need a different part number than those made after 07/2006. Check the driver's side door jam to find your vehicle's build date. This item is sold separately. Subaru of America only warranties parts installed on a car with a matching VIN and by a CERTIFIED Subaru Dealership. Use your best judgment when installing parts to avoid warranty issues.

Using this Subaru head gasket is straightforward. First, make sure you've correctly identified your vehicle's build date by checking the driver's side door jam. This is crucial as different build dates may require different part numbers. When installing, ensure it's done by a CERTIFIED Subaru Dealership if you want the warranty to apply. Keep in mind that for the warranty, the part's VIN must match your vehicle's. As for maintenance, there's no special routine. Just keep an eye on your engine's performance. If you notice any signs of overheating or pressure problems, it might be time to check the gasket. But generally, this multi - layered steel gasket is built to last under high boost pressures and extreme temperatures.