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2004 Subaru Outback 2.5L H4 Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Heated | A-Premium OS227
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2004 Subaru Outback 2.5L H4 Downstream O2 Oxygen Sensor | 1-Pc Direct-Fit | Heated | A-Premium OS227

⚡ Fast Warm-Up Heater · Better Cold Starts · Stable Output
Part # OS227
Item # 10030YP0
4.6557 Reviews
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Dispatch within 1 business day
90 days free return
Quantity
1
Installation Position
Downstream
Terminal Quantity
4
Brand
A-Premium
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Note
Oxygen Senor - B1S2 Indicates Bank 1 Sensor 2.
【Note-1】For 2000-2001 Legacy & Outback, fits Automatic Transmission only, Not fits Manual Transmission.
【Note-2】For 1999 Legacy, it fits the model without California Emissions.
A-Premium Aftermarket Oxygen Sensor: Ideal for Trucks, Cars, and Vans
A-Premium Oxygen Sensor is designed to meet the unique demands of trucks, cars, and vans. Our expertly crafted replacements come with a 3-Year unlimited mileage warranty, guaranteeing reliability across a wide range of vehicles. Use our Vehicle Selector to find the right Oxygen Sensor for your needs.
  • Installation Position: Downstream
  • 1-PC A-Premium Oxygen Sensor
  • Demonstrates capability to boost engine output and promote fuel economy.
  • Streamlined installation process with basic implements.
  • Recognized for exceptional standards in auto components.
  • Developed to surpass standard reliability expectations.

Reliable Detection. Through its assessment of oxygen concentration in exhaust output, the oxygen sensor guarantees the engine maintains optimal combustion, leading to greater fuel savings and lower emissions.
High-Quality Construction. With materials chosen for their resistance to corrosion and wear, A-Premium sensors promise reliability and an extended service life in a variety of conditions.
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Specifications

Part interchange

Part numbers listed below indicate interchangeable parts. These parts share the same size, parameter, function and compatibility. However, please note that items from different brands may have minor variations.
25024373, 250-24373 - WALKER PRODUCTS
22690AA43A, 22690 AA43A, 22690-AA43A - SUBARU
22690AA73A, 22690 AA73A - SUBARU

Compatibility

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This part is compatible with (9)vehicles
All
Subaru
Year
Make
Model
2002 - 2004SubaruLegacy
2001 - 2001SubaruOutback
1999 - 1999SubaruLegacy
2000 - 2000SubaruOutback
1999 - 1999SubaruLegacy
2000 - 2000SubaruLegacy
2002 - 2004SubaruOutback
2001 - 2001SubaruLegacy
2003 - 2006SubaruBaja

Highlights

Note detail
B1S2(Bank 1 Sensor 2)

Shipping and warranty

  • Fast shipping

    The order will be dispatched within 1 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details.

  • Easy return

    Every order comes with a 90-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details.

  • Warranty policy

    All parts are quality-tested to meet the top-tier aftermarket standards. Please click Warranty Policy for more details.

Why choose A-Premium.com

Free Return

Return your purchase within 90 days at no cost.

Free Shipping

Free standard shipping on all orders, no minimum required.

24/7 Service

Get assistance from live customer service team 24/7.

Guaranteed Fit

We guarantee that all parts will fit your vehicle perfectly.

Frequently asked questions

Does this part work with a 2004 Subaru Outback?

To confirm compatibility, review the fitment details such as model year, submodel, engine type, and body style. If you need assistance, contact our 24/7 live chat support.

How does A-Premium ensure Oxygen Sensor durability?

We use advanced materials and manufacturing techniques for long-lasting performance.

Are there discounts on Oxygen Sensor?

Check our website for seasonal promotions and special offers.

Is A-Premium Oxygen Sensor compatible with OEM standards?

Yes, it meets or exceeds OEM standards for compatibility.

Reviews

Reviews

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90 days free return

Attention to customers from California:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov/.