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US Motor Works US9421 Engine Water Pump
| Brand | US Motor Works US9421 |
|---|---|
| Fits | Subaru · 29 vehicles |
Engine water pump. Circulates coolant to help maintain proper engine temperature.
Installation sealing devices. Included for a more complete replacement.
Cross-references Airtex AW9421, Dorman - HELP 43514 and 21110 AA360 for the same application. See all 4.
Engine Water Pump for Subaru Applications
US Motor Works US9421 is an engine water pump for select Subaru models from 2001 through 2009. It is built for direct replacement service and includes installation sealing devices to support a proper coolant seal during replacement.
Key Features
- Engine water pump for cooling system service
- Includes installation sealing devices
- Direct-fit replacement for select Subaru Legacy, Outback, and B9 Tribeca applications
- Cross-references Airtex AW9421 and Dorman - HELP 43514 for the same application
- Part number: US9421
Detailed Description
US Motor Works US9421 is an OE-style engine water pump for Subaru cooling system repair. It is used on 2008-2009 Subaru Legacy, 2001-2009 Subaru Outback, and 2006-2007 Subaru B9 Tribeca applications. The included installation sealing devices help support a secure seal at the pump mounting surface during service. For buyers searching for a Subaru Legacy water pump, Subaru Outback water pump, or Subaru B9 Tribeca replacement, US9421 provides a direct replacement option for the listed vehicles.
What This Part Helps Address
- Coolant circulation problems caused by a worn water pump
- Engine overheating linked to reduced coolant flow
- Coolant leakage at the pump mounting area
- Noise from a failing pump bearing or impeller assembly
- Cooling system service on Subaru Legacy, Outback, and B9 Tribeca models
Installation Notes and Tips
Verify engine application before installation and inspect the cooling system, belts, hoses, and thermostat at the same time. Clean the mounting surface thoroughly and follow the vehicle service procedure for coolant refill and air bleeding after installation. Confirm fitment for your exact Subaru Legacy, Outback, or B9 Tribeca year before ordering US9421.
Quality Assurance
US Motor Works supplies replacement cooling components for automotive service applications. US9421 is built as a replacement engine water pump with installation sealing devices included for the listed fitments.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Subaru | Legacy | 3.0 R | N/A | — |
| 2009 | Subaru | Legacy | 3.0 R Limited | N/A | — |
| 2009 | Subaru | Outback | 3.0 R Limited | N/A | — |
| 2008 | Subaru | Legacy | 3.0 | N/A | — |
| 2008 | Subaru | Legacy | 3.0 R Limited | N/A | — |
| 2008 | Subaru | Outback | R L.L. Bean Edition | N/A | — |
| 2007 | Subaru | B9 Tribeca | Limited | N/A | — |
| 2007 | Subaru | B9 Tribeca | Base | N/A | — |
| 2007 | Subaru | Outback | R L.L. Bean Edition | N/A | — |
| 2006 | Subaru | B9 Tribeca | Limited | N/A | — |
| 2006 | Subaru | B9 Tribeca | Base | N/A | — |
| 2006 | Subaru | Outback | R | N/A | — |
| 2006 | Subaru | Outback | R VDC Limited | N/A | — |
| 2006 | Subaru | Outback | R L.L. Bean Edition | N/A | — |
| 2005 | Subaru | Outback | VDC Limited | N/A | — |
| 2005 | Subaru | Outback | R | N/A | — |
| 2005 | Subaru | Outback | R L.L. Bean Edition | N/A | — |
| 2004 | Subaru | Outback | L.L. Bean | N/A | — |
| 2004 | Subaru | Outback | H6 | N/A | — |
| 2004 | Subaru | Outback | H6 VDC | N/A | — |
| 2004 | Subaru | Outback | H6 35th Anniversary Edition | N/A | — |
| 2003 | Subaru | Outback | VDC | N/A | — |
| 2003 | Subaru | Outback | L.L. Bean | N/A | — |
| 2003 | Subaru | Outback | H6 | N/A | — |
| 2002 | Subaru | Outback | VDC | N/A | — |
| 2002 | Subaru | Outback | L.L. Bean | N/A | — |
| 2002 | Subaru | Outback | H6 | N/A | — |
| 2001 | Subaru | Outback | VDC | N/A | — |
| 2001 | Subaru | Outback | L.L. Bean | N/A | — |
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