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1-Pc Oxygen Sensor Downstream 4-Pin A-Premium APOS0503
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1-Pc Oxygen Sensor Downstream 4-Pin A-Premium APOS0503

L4 2.3L, Manual Trans, B1S2, Naturally Aspirated or Auto Trans, Non Calif-ESV, B1S2, Naturally Aspirated
Part # APOS0503
Item # 10031K35
$43.99
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90 days free return
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Note
O2 Sensor - B1S2 Indicates Bank 1 Sensor 2.
【Note-1】 It fits Naturally Aspirated only, not Turbocharged.
【Note-2】 For 2006-2008 Mazda 6 Automatic Transmission, it doesn't fit California Emissions.
A-Premium Aftermarket Oxygen Sensor: Multiple Options Available
With A-Premium, you have a variety of expertly engineered Oxygen Sensor options to suit your vehicle's needs. Each replacement is backed by a 3-Year unlimited mileage warranty for peace of mind. Use our Vehicle Selector to explore multiple options and find the perfect fit.
  • Installation Position: Downstream
  • 1-PC A-Premium Oxygen Sensor
  • Tailored to advance airflow quality and amplify sensor responsiveness.
  • Constructed to align with leading industry reliability standards.
  • Celebrated for efficiency and cost-effectiveness in auto solutions.
  • Maintains the correct air-fuel ratio for boosted operational efficiency.

Sturdy Construction. Constructed for resilience, A-Premium Oxygen Sensors feature a durable build that withstands extreme conditions, ensuring consistent performance over time.
Simplified Servicing & Renewal. With A-Premium Oxygen Sensors, enjoy an uncomplicated replacement experience, ideally performed every 60,000 miles to preserve fuel mileage and minimize emissions.
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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.
2344394, 234-4394 - NAPA, DENSO AUTO PARTS
L39418861 - MAZDA
L39418861A - MAZDA
15386 - BOSCH
25024693, 250-24693 - WALKER PRODUCTS
22018, 22-018 - NTK
06365PHMA20, 06365-PHM-A20 - HONDA

Compatibility

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This part is compatible with (1)vehicles
All
Mazda
2006 - 2008Mazda6

Highlights

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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.

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Guaranteed Fit

We guarantee that all parts will fit your vehicle perfectly.

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Dispatch within 1 business day
90 days free return

Attention to customers from California:

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