Subaru OEM Standard A Piston Subaru WRX / STI EJ257 Engine 2004-2021

Part #: SUB-12006AC390. This is a genuine Subaru OEM Standard A Piston for the Subaru EJ257 STI. The price is per each. Warranty note: 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.

How to use: Have a professional mechanic install this piston in your 2004 - 2021 Subaru WRX or STI EJ257 engine. It's important to ensure that the part's VIN matches your vehicle's VIN. Attention: Only have it installed by a certified Subaru dealership to get the warranty. Do not try to install it at an uncertified shop, or you may lose the warranty. Maintenance: Regularly check your engine's performance. If you notice any strange noises or issues, have the engine inspected immediately. Keep the engine clean and follow the manufacturer's recommended maintenance schedule.