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Six-Star Water Pump


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Six-Star OEM quality water pump for impreza (RS, TS), Outback, Forester, Baja or Legacy models. includes gasket as well.

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Smart Quality Parts offers an industry leading 2 YEAR, UNLIMITED MILEAGE warranty on all parts purchased. If a part fails within this time period we will replace it or refund the full value of the part purchased. Visit our Terms page to see our entire policy.

Why does this part have the same number as its OEM equivalent?

Six-Star "Red" parts are alternative source parts, however are OEM quality parts hence why this water pump has the same part number (21111AA007) as the Subaru OEM version. Learn more about the difference between Six-Star gold and red parts. 

Note: Pictures may not show your exact pump, there are slight differences between certain years and models. By putting in your full VIN before check out, rest assured you will receive the correct one for your Subaru.

These are the same pumps we install in-house on a regular basis and trust for your Subaru. It is an easy job if the timing belt is off, save some headaches and grab one! Make sure you enter your full VIN before placing your order so you get the correct parts for your car.

At Smart Service (and Smart Quality Parts), we have been carrying and using the Six Star brand in our repair facility for over 15 years. Since the majority of our in-house technicians are Subaru factory trained we understand the benefit and need for correctly fitting and functioning replacement parts. The benefit of being an independent facility is that we are not required to use the Genuine Subaru stamped parts but unlike other independents, we didn't want to use aftermarket parts just to cut costs and increase our margins.

We found Six Star in that search for the perfect balance between OEM quality and a more affordable price by cutting Subaru out as a middleman. We supplement with the Genuine Subaru parts where we feel that is needed or required if Six Star doesn't manufacture a certain part, but we mostly use Six Star because more often than not the part is identical to what you would buy at the dealer.

The description below outlines the color and sticker system on the parts you may receive. Please know that 90%+ of the Six Star parts we carry are the Gold Star OEM designation and the Red Star options are just as good in our opinion (see our replacement oil filter for example, you can see it cut open next to a Genuine Subaru filter there is no difference at all).

We offer our own private Six Star label parts that identifies OEM parts with a gold star:

and alternative source parts with a red star:

  • Genuine = Exact part you would purchase at your Subaru dealer.

  • OEM = Original Equipment Manufacturer. The part was made by the exact same manufacturer that made the original part for your car. For example if you open a genuine Subaru wheel bearing you will find that the bearing is an NSK bearing. If you buy that same bearing OEM you're getting the same part.

  • Alternative Source = These are parts that are manufactured by an indepedent aftermarket parts facility. Our alternative source parts are put through the rigors at Smart Service before we offer them online.

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