Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen

Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen

$77.27
Ask a Question

Add your personalization

Add your name, note or upload your customized idea image to personalise your item. Custom items cannot be returned or exchanged.

Hurry Up! Only 1 left in stock!

Estimate delivery times: 3-6 days (International)

Return within 45 days of purchase. Duties & taxes are non-refundable.

Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
Engine Exhaust O2 02 Oxygen Sensor Direct Fit Downstream for Audi Volkswagen
$77.27

Downstream Exhaust Oxygen (O2) Sensor

Precision Emissions Monitoring for Audi, Volkswagen, and Porsche

Ensure your vehicle meets stringent emissions standards and maintains optimal fuel efficiency with this premium Downstream Oxygen (O2) Sensor. Specifically engineered for modern Audi, Volkswagen, and Porsche exhaust systems, this sensor is located after the catalytic converter (Bank 1, Sensor 2). Its primary role is to monitor the oxygen levels in the exhaust gases exiting the converter, allowing the Engine Control Unit (ECU) to verify the efficiency of the emissions system.

A malfunctioning downstream sensor can trigger persistent "Check Engine" lights, result in failed emissions inspections, and cause the engine to run in a less-than-optimal state. This sensor features a planar design for rapid heating and high-precision monitoring, ensuring your vehicle's computer receives accurate data from the moment you start the engine.

Fitment Verification and Vehicle Applications

This sensor is a Specific Fit replacement for the Downstream (Post-Catalytic) position on the following vehicles:

  • Audi A4 / A4 Quattro / A4 Allroad: 2017, 2018, 2019.

  • Audi A5 Quattro / A5 Sportback: 2018, 2019.

  • Audi A6 / A6 Quattro (L4 2.0L): 2016, 2017, 2018.

  • Audi Q7 (L4 2.0L): 2017, 2018, 2019.

  • Porsche Macan (Base Model): 2017, 2018.

  • Volkswagen Jetta Hybrid: 2013, 2014 (Downstream Bank 1, Sensor 3).

Technical Specifications and Attributes

  • Sensor Type: Narrow-Band, Planar Heated Sensor.

  • Connector Type: 4-Pin Male Blade (Oblong with Flat side).

  • Wire/Terminal Quantity: 4.

  • Thread Size: M18 x 1.5-6e.

  • Wiring Harness Length: 12.68 inches (322 mm).

  • Overall Length: 17.72 inches (450 mm).

  • Wrench Size Required: 7/8 inch (22 mm).

  • Grade Type: Standard Replacement.

What’s in the Box

  • (1) Downstream Oxygen (O2) Sensor with Pre-applied Anti-seize Lubricant

Industry Cross-Reference Numbers

  • DENSO: 234-4934, 234-8022

  • Walker Products: 250-241143

  • Volkswagen/Audi Group (VAG): 06K906262S, 06L906262B, 06L906262J

  • Bosch: 16033

Installation and Technical Tips

  • Diagnostic Verification: If your vehicle is displaying codes such as P0420 (Catalyst Efficiency) or P0136/P0139 (O2 Sensor Circuit), verify the wiring harness and connectors for signs of heat damage before replacement.

  • Anti-Seize Precaution: This sensor comes with anti-seize lubricant already applied to the threads. Do not add additional lubricant, as any grease that contacts the sensor tip will "poison" the element and cause immediate failure.

  • Connector Maintenance: Audi and VW connectors are precision-fit. Ensure the oblong-with-flat shape matches your vehicle’s harness perfectly. Use a small amount of electrical contact cleaner on the vehicle-side plug if corrosion is present.

  • Proper Torque: Thread the sensor in by hand first to avoid cross-threading the exhaust pipe. Tighten to approximately 30 ft-lbs (40 Nm) to ensure a gas-tight seal without damaging the threaded bung.

  • Resetting the Light: After installation, the Check Engine light may not turn off immediately. Use an OBD-II scanner to clear the codes, or perform several drive cycles to allow the ECU to recognize the new, accurate data.

For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:

– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.

The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.

Recently Viewed

Don't forget! The products that you viewed. Add it to cart now.

People Also Bought

Here’s some of our most similar products people are buying. Click to discover trending style.