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Volkswagen Upstream Oxygen Sensor by Denso (2343018)

Volkswagen Upstream Oxygen Sensor by Denso (2343018)

DENSO
Disponibilidad:
Agotado
SKU 234-3018
Agotado
$59.09 - $59.09
$59.09
$59.09 - $59.09
$59.09
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 Denso upstream oxygen sensor (part 2343018) is designed for 1987-1992 Volkswagen Jetta and Golf 1.8L models. It measures oxygen levels in the exhaust to optimize the air-fuel mixture, improving fuel efficiency and reducing emissions. The heated sensor ensures fast activation for accurate readings.

Key Features & Benefits

  • Heated Sensor: Provides faster activation and more consistent performance.
  • Threaded Mounting: Easy threaded installation.
  • Male Connector: Compatible with factory wiring.
  • OEM Quality: Meets or exceeds OE specifications for reliable operation.
  • Long Life: Designed for extended service interval.

Vehicle Fitment

Make Model Years Engine
Volkswagen Jetta 1987–1992 1.8L4
Volkswagen Golf 1988–1992 1.8L4

Technical Specifications

Part Number 2343018
Sensor Type Heated
Mounting Threaded
Connector Male

Installation Notes

Threaded installation; no special tools required.

About Denso

Denso is a world-leading automotive supplier known for OEM-quality sensors and electrical components.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 2 applications
MK2
Make Model Engine Years
Volkswagen Jetta 1.8L4 1987–1992
Volkswagen Golf 1.8L4 1988–1992
Fits 2 vehicle applications Check vehicle fitment before ordering View fitment

About this Oxygen Sensor

The DENSO 234-3018 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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