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Audi Oxygen Sensor 077906265J – Denso 2344872
Audi Oxygen Sensor 077906265J – Denso 2344872
Audi Oxygen Sensor 077906265J – Denso 2344872
Audi Oxygen Sensor 077906265J – Denso 2344872

Audi Oxygen Sensor 077906265J – Denso 2344872

DENSO
Disponibilité:
Rupture de stock
UGC 234-4872
Épuisé
$247.95 - $247.95
$247.95
$247.95 - $247.95
$247.95
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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Denso oxygen sensor for Audi A8 Quattro and S8 with 4.2L V8 engines from 2000-2003. Direct replacement for 077906265J to restore proper air-fuel mixture and reduce emissions. OE quality ensures reliable performance.

Key Features & Benefits

  • Heated Sensor: Fast warm-up for accurate readings.
  • Direct Fit: Exact replacement for 077906265J.
  • Threaded: 0.708 inch thread.
  • Long Life: Up to 100,000 mile service life.
  • OEM Quality: Matches original specifications.

Vehicle Fitment

Make Model Years Engine
Audi S8 2001–2003 4.2V8
Audi A8 Quattro 2000–2003 4.2V8

Technical Specifications

Part Number 077906265J
Denso Number 2344872
Sensor Type Heated
Connector Gender Male
Mounting Type Threaded
Thread Diameter 0.708 inches

Installation Notes

Direct plug-and-play replacement; professional installation recommended.

About DENSO

Denso is a leading OE supplier of oxygen sensors known for reliability and precision.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 2 applications
D2 A8
Make Model Engine Years
Audi S8 4.2V8 2001–2003
Audi A8 Quattro 4.2V8 2000–2003
Fits 2 vehicle applications Check vehicle fitment before ordering View fitment

About this Oxygen Sensor

The DENSO 234-4872 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.

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