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          AISIN WPF-025 - Engine Water Pump

          MPN: WPF-025
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $69.95
          In stock

          Product Overview

          The AISIN WPF-025 Engine Water Pump is designed to ensure optimal cooling performance for your vehicle's engine. This essential component maintains the proper temperature of your engine, preventing overheating and potential damage. With OE-level quality and reliability, the WPF-025 guarantees a perfect fit for select Subaru models, offering peace of mind backed by a trusted brand. Choose AISIN WPF-025 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This AISIN WPF-025 is equivalent to or replaces the following part numbers: 21111-AA280, 21111AA280, 21111-AA320, 21111AA320, X2111-AA280, X2111AA280, WPF025, 1523010, 160-2090, 1602090, 18-2016, 182016, 97260, US6049, AW6049, 1600-284847, 1600284847, NP1887, PWP-2066, PWP2066, 131-2354, 1312354, 57-1663, 571663, WP-2066, WP2066, 226084, 42274, 546-02090, 54602090, F-27, F27, 42571, WP715, 20352, 252-961, 252961, CP6049, NP1872.

          Vehicle Compatibility

          • Subaru Forester (2006-2010)
          • Subaru Impreza (2006-2011)
          • Subaru Legacy (2006-2012)
          • Subaru Outback (2006-2012)

          This also fits other applications. Please use the vehicle selector tool to verify fitment.

          Why Choose Newparts.com?

          • Trusted by DIYers and pros for over 15 years
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          Frequently Asked Questions

          What is the purpose of the AISIN WPF-025 Engine Water Pump?

          The AISIN WPF-025 Engine Water Pump circulates coolant throughout the engine, ensuring it operates at the optimal temperature and preventing overheating.

          How do I know if the AISIN WPF-025 is compatible with my vehicle?

          To confirm compatibility, check if your vehicle is among the listed models or use our vehicle selector tool with the part number WPF-025.

          What are some common symptoms of a failing water pump?

          Common symptoms include engine overheating, coolant leaks, and unusual noises from the water pump area. If you notice any of these signs, consider replacing it with the AISIN WPF-025.

          Can the AISIN WPF-025 help with DTC codes related to engine overheating?

          Yes, replacing a faulty water pump like the AISIN WPF-025 can help resolve DTC codes such as P0128 and P0217, which are often related to engine temperature issues.

          Where can I buy the AISIN WPF-025 Engine Water Pump?

          Order AISIN WPF-025 today for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              204466
            • Weight
              3.74 lbs
            • Barcode
              4954514920223
            • Dimensions (L x W x H)
              8.12 x 5.76 x 6.12 in
            • Manufacturer Part #
              WPF-025
          • Brand
            AISIN
          • Manufacturer
            AISIN
          • MPN
            WPF-025
          • OE Part Numbers
            21111-AA280, 21111AA280, 21111-AA320, 21111AA320, X2111-AA280, X2111AA280
          • Cross Reference Numbers
            WPF025, 1523010, 160-2090, 1602090, 18-2016, 182016, 97260, US6049, AW6049, 1600-284847, 1600284847, NP1887, PWP-2066, PWP2066, WPF-025, 131-2354, 1312354, 57-1663, 571663, WP-2066, WP2066, 226084, 42274, 546-02090, 54602090, F-27, F27, 42571, WP715, 20352, 252-961, 252961, CP6049, NP1872
          • Part Type
            Engine Water Pump
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2012SubaruLegacy2.5GT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2012SubaruLegacy2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2012SubaruLegacy2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2012SubaruLegacy2.5i Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2012SubaruOutback2.5i (2.5 H4 GAS)
          2012SubaruOutback2.5i Limited (2.5 H4 GAS)
          2012SubaruOutback2.5i Premium (2.5 H4 GAS)
          2008SubaruImpreza2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruImprezaOutback Sport (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruImprezaWRX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruImprezaWRX STI (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruOutback2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruOutback2.5i L.L. Bean Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruOutback2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruOutback2.5i Limited L.L. Bean Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruOutbackBase (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruOutbackXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruForesterSports 2.5 X (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruForesterSports 2.5 XT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruForesterX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruForesterX L.L. Bean Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruForesterXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruLegacy2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruLegacy2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruLegacy2.5i Special Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruLegacyGT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2008SubaruLegacyGT spec.B (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruImpreza2.5 GT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruImpreza2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruImprezaOutback Sport (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruImprezaWRX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruImprezaWRX Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruImprezaWRX STI (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruForesterX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruForesterX Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruForesterX Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruForesterXT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2009SubaruForesterXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImpreza2.5 GT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImpreza2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImpreza2.5i Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImprezaOutback Sport (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImprezaWRX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImprezaWRX Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImprezaWRX Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImprezaWRX STI (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruImprezaWRX STI Special Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruLegacy2.5GT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruLegacy2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruLegacy2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruLegacy2.5i Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruOutback2.5i (2.5 H4 GAS)
          2010SubaruOutback2.5i Limited (2.5 H4 GAS)
          2010SubaruOutback2.5i Premium (2.5 H4 GAS)
          2010SubaruForesterX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruForesterX Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruForesterX Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruForesterXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2010SubaruForesterXT Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImpreza2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImpreza2.5i Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImprezaOutback Sport (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImprezaWRX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImprezaWRX Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImprezaWRX Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImprezaWRX STI (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruImprezaWRX STI Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruLegacy2.5GT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruLegacy2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruLegacy2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruLegacy2.5i Premium (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2011SubaruOutback2.5i (2.5 H4 GAS)
          2011SubaruOutback2.5i Limited (2.5 H4 GAS)
          2011SubaruOutback2.5i Premium (2.5 H4 GAS)
          2007SubaruOutback2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruOutback2.5i Basic (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruOutback2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruOutbackXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruLegacy2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruLegacy2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruLegacy2.5i Special Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruLegacyGT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruLegacyGT spec.B (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImpreza2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImprezaOutback Sport (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImprezaWRX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImprezaWRX Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImprezaWRX STI (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImprezaWRX STI Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruImprezaWRX TR (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruForesterX (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruForesterX L.L. Bean Edition (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2007SubaruForesterXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruOutback2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruOutback2.5i Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruOutbackXT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruOutbackXT Limited (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruLegacy2.5i (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruLegacyGT (2.5 H4 GAS)Aspiration: Naturally Aspirated
          2006SubaruLegacyGT spec.B (2.5 H4 GAS)Aspiration: Naturally Aspirated
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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          Warranty Overview

          At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.


          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, use our Return Portal or contact support.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.



          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For full details, please see our complete Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions,  risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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