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Audi Oxygen Sensor 06E906265D – Denso 2344409

Availability:
Out of stock
SKU 234-4409
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Original price $135.39 - Original price $135.39
Original price
$135.39
$135.39 - $135.39
Current price $135.39
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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This oxygen sensor for Audi vehicles monitors exhaust oxygen to optimize air-fuel ratio, improving engine efficiency and reducing emissions. It fits multiple Audi models including A4, A4 Quattro, A6, and A6 Quattro from various years. As a Denso OE replacement, it offers reliable performance and a typical service life of 100,000 miles.

Key Features & Benefits

  • Sensor Type: Heated – consistent accuracy
  • Thread Diameter: 0.708 inches – standard fitment
  • Mounting Type: Threaded – quick installation
  • Connector Gender: Male – direct connection
  • Direct Replacement for OE Part 06E906265D – exact match
  • Broad Fitment: Compatible with multiple Audi models and engines

Vehicle Fitment

Make Model Years Engine
Audi A6 2011 3.2V6
Audi A6 Quattro 2009 3.0V6
Audi A4 Quattro 2005–2006 3.2V6
Audi A4 2006 3.2V6

Technical Specifications

Part Number 06E906265D
OEM Cross Reference Denso 2344409
Sensor Type Heated
Thread Diameter 0.708 inches
Connector Gender Male
Mounting Type Threaded

Installation Notes

Screw-in installation with standard tooling; no special procedures required.

About DENSO

DENSO is a premier manufacturer of OE-quality sensors, trusted by major automakers worldwide.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 4 applications
C7 A6
Make Model Engine Years
Audi A6 3.2V6 2011–2011
C6 A6
Make Model Engine Years
Audi A6 Quattro 3.0V6 2009–2009
B7 A4
Make Model Engine Years
Audi A4 Quattro 3.2V6 2005–2006
Audi A4 3.2V6 2006–2006
Fits 4 vehicle applications Check vehicle fitment before ordering View fitment

About this Oxygen Sensor

The DENSO 234-4409 oxygen sensor measures the oxygen in the exhaust so the engine computer can keep the fuel mixture correct. Sensors before the catalytic converter control the mixture; sensors after it monitor the converter's efficiency.

Frequently asked questions

What does an oxygen sensor do?

It reports how rich or lean the exhaust is, and the engine computer adjusts fuel delivery in response. A faulty sensor can make the engine run too rich or too lean.

What are the signs of a failing oxygen sensor?

A check-engine light with oxygen-sensor or fuel-trim codes, poorer fuel economy, rough idle, or a failed emissions test. Exhaust leaks near the sensor can cause similar codes, so check for those too.

How do I know which sensor I need?

Sensors are specific to their position: upstream (before the catalytic converter) or downstream (after it), and on V engines, bank 1 or bank 2. The fault code usually identifies the position; check the product details for the position this sensor fits.

Can I replace an oxygen sensor myself?

Usually, yes, using an oxygen-sensor socket. Many new sensors come with anti-seize already on the threads; if not, use a sensor-safe compound only on the threads, and keep it off the sensor tip.

How do I make sure this oxygen sensor fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.