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2004 Subaru Legacy 1-Pc Oxygen Sensor Upstream 4-Pin A-Premium APOS0637
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2004 Subaru Legacy 1-Pc Oxygen Sensor Upstream 4-Pin A-Premium APOS0637

Part # APOS0637
Item # 10032K1D
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90 days free return
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Note
Oxygen Senor - Bank 1 Sensor 1 (B1S1).
【Note-1】For 9-2X & Forester & Impreza & 2006-2009 Legacy & 2006-2009 Outback, it fits Naturally Aspirated only, not Turbocharged.
【Note-2】For 2005 Outback, it fits with California Emissions, not fit with Federal Emissions.
A-Premium Aftermarket Oxygen Sensor: Designed for Long-Lasting Service
Featuring durability and reliability, A-Premium Oxygen Sensor ensures long-lasting performance for your vehicle. Backed by our 3-Year unlimited mileage warranty, you can trust A-Premium for quality that stands the test of time. Find the ideal fit for your car with our Vehicle Selector.
  • Installation Position: Upstream
  • 1-PC A-Premium Oxygen Sensor
  • Tailored to uphold long-term effectiveness and reliable functionality.
  • Adjusted specifically to conform with your vehicle’s specifications.
  • Developed to conform to high-end safety and performance benchmarks.
  • Built using breakthrough technology for optimal strength.

Ensuring Reliable Performance. At A-Premium, each Oxygen Sensor is rigorously tested to offer fast reaction speeds and longevity, contributing to improved fuel savings and reduced emissions.
Commitment to High Standards. A-Premium’s Oxygen Sensors epitomize quality and durability, offering unmatched performance across their lifespan, proudly supported by our industry-leading 3-year warranty.
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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.
25054027, 250-54027 - WALKER PRODUCTS

Compatibility

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This part is compatible with (8)vehicles
All
Saab
Subaru
Year
Make
Model
2006 - 2006Saab9-2X
2004 - 2004SubaruLegacy
2006 - 2009SubaruOutback
2006 - 2009SubaruLegacy
2006 - 2011SubaruImpreza
2005 - 2005SubaruOutback
2004 - 2004SubaruOutback
2006 - 2010SubaruForester

Highlights

Note detail

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.

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Free standard shipping on all orders, no minimum required.

24/7 Service

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Guaranteed Fit

We guarantee that all parts will fit your vehicle perfectly.

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Attention to customers from California:

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