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Oxygen Sensor
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Oxygen Sensor - Upstream Front (Denso) for 2003-2008 Mazda 6 NEW

$ 111 .66

Product Notes

Position: Upstream Front
O.E. Quality Direct Fit Replacement Sensor
Oxygen Sensor - OE Style
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
Brand: Denso
Condition: New
See All Other Oxygen Sensors
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Connector Gender Male
Mounting Type Threaded
Sensor Type Narrow-band
Thread Diameter 0.708
Wire Quantity 4
Wiring Harness Length 48.43

Vehicle Fitment Guide

This part fits the following vehicles:

Mazda 1 model (tapclick to expand)(tapclick to hide)
6 2003-2008 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GS Hatchback 2008 L4 2.3L FWD Automatic & Manual
GS Sedan 2008 L4 2.3L FWD Automatic & Manual
GT Hatchback 2008 L4 2.3L FWD Automatic & Manual
GT Sedan 2008 L4 2.3L FWD Automatic & Manual
Mazdaspeed Sedan 2006 - 2007 L4 2.3L Turbo AWD Manual
S Hatchback 2004 - 2008 V6 3.0L FWD Automatic & Manual
S Sedan 2003 - 2008 V6 3.0L FWD Automatic & Manual
S Wagon 2004 - 2007 V6 3.0L FWD Automatic & Manual
i Hatchback 2004 - 2008 L4 2.3L FWD Automatic & Manual
i Sedan 2003 - 2008 L4 2.3L FWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Interchange Parts

Brand Part Number
Bosch 15430
Carquest 75-2647
Mazda AJ5718861A
Mazda AJ5718861B
NAPA Mileage Plus 2344398
NTK 22115
Standard Ignition SG1051
Standard Ignition SG1666
Walker Products 250-24474
Walker Products 350-34573

Fits Years: 2003 2004 2005 2006 2007 2008

Fits Models: 6

Go-Parts Garage · Featured Guide

A Practical Guide to Oxygen Sensors for the 2003-2009 Mazda 6

Everything a Mazda 6 owner needs to know before replacing a faulty O2 sensor.

Read Full Guide →

⚠️ Related Trouble Codes (OBD-II)

3 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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120
Day Return Window

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Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

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