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Sales & Specials

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently
Mfg Part #
077906265AA
ECS Part #
ES#1306838
Brand
Bosch
134.95
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Product Details

The O2 sensor measures the amount of unburned fuel in the exhaust pipe to adjust fuel mapping for less emissions and better fuel economy. When malfunctioning, your MPG and performance can suffer. Replaced fairly easily, you can restore your performance and mileage quickly. Be sure to add anti-seize on the threads to prevent it from becoming a permanent part of the exhaust.

Regularly scheduled maintenance as these tend to fail slowly.

Previous Revisions
  • 077906265T

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi D2 A8 Quattro 4.2
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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