Subaru OEM Timing Belt Idler Pulleys
Your Turbo EJ Subaru has 4 Idler pulleys which are what come in our complete kit: 1 x Cogged, 2 x Smooth, and 1 x small idler.
You can select them individually, or we have a complete kit as well.
The part numbers are as follows:
- Cogged Pulley - 13085AA080
- Smooth Pulley - 13073AA142
- Small Pulley for 2002 - early 2003 WRX - 13073AA200
- Small Pulley for Late 2003 on Turbo EJ Series Engines - 13073AA230
The 2002 + Turbo EJ Series all have 4 idler pulleys and a hydraulic tensioner to maintain proper tension in the timing belt. When you are replacing your timing belt, it is necessary to inspect all of these pulleys, and either replace any that show wear or replace them all together.
We have put together a kit for all the pulleys together, or you can purchase them individually as needed.
Please note that there is a small pulley, a cogged pulley, and the two smooth pulleys are identical. So if you want to replace them both, you would need to purchase two.
Though there are two different small pulleys, they are interchangeable if you replace the bolt that attaches the up-dated pulley. If you want to run the newer style pulley on your 02-03 WRX, you will need to order the up-dated bolt that you can find at the bottom of this page under "Related Products".
If you are not sure which pulleys you need, or if these will be correct for your car, please call or e-mail us before ordering.
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
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