Front Oxygen Sensor 36531 PAAL122 for 2.0 MK7 CG9 98-03 CH7

This front oxygen sensor is supplied for use with 2.0 MK7 CG9 98-03 CH7 vehicles and carries the part number 36531 PAAL122. It is listed as a front oxygen sensor, which means it is intended for the exhaust system where the engine management system reads the exhaust gas oxygen content. The source data describes it under the Color option as a front oxygen sensor, so the product is best identified by its part number and its stated position. The sensor is associated with exhaust emission control, a function that depends on the engine management system receiving a signal from the oxygen sensor. The measuring range, measurement accuracy, and scope of application are each given as 0.8, but the source text does not state the units or explain what these figures refer to, so they should be treated as reference values only. No additional performance claims, compatibility lists, or fitting instructions are present in the source data. Buyers should match the part number 36531 PAAL122 against the sensor currently fitted before ordering.

Features and Construction

Because the source data is brief, the practical details of this front oxygen sensor are limited to its part number, its stated position, and the three 0.8 reference values. There are no stated materials, dimensions, or construction methods beyond that. This section summarises only what the source text provides so that the listing remains factual.

Material and Build

No materials are stated in the source text. The listing therefore cannot confirm the housing material, the sensing element composition, or the connector type. What is known is the part number, 36531 PAAL122, and the product type, front oxygen sensor. These two details are the main practical reference points when checking whether the sensor is the correct item. Any further build information would need to come from the vehicle manufacturer or the part supplier, not from this source data.

Size and Practical Fit

No dimensions are provided in the source text, so thread size, cable length, and overall body size cannot be confirmed here. The sensor is identified for 2.0 MK7 CG9 98-03 CH7 vehicles, and the part number 36531 PAAL122 is the key matching detail. The measuring range, measurement accuracy, and scope of application are each listed as 0.8, but without units these figures cannot be used for a dimensional check. Fit should be confirmed by part number and by the existing sensor's position in the exhaust system.

Uses and Placement

This sensor is intended for the front position in the exhaust system, where it is used in connection with exhaust emission control. The source text does not describe how the signal is used by the engine management system, so this section stays within the stated product type and vehicle reference. The main use case is replacement of an existing front oxygen sensor on the listed vehicle application.

Event or Professional Use

In a workshop setting, the part number 36531 PAAL122 and the vehicle reference 2.0 MK7 CG9 98-03 CH7 are the details a technician would use to identify the correct sensor. The front position is stated, which helps distinguish it from other oxygen sensors on the same vehicle. The source text does not provide diagnostic procedures or torque figures, so those should be taken from the relevant service information. The 0.8 values listed for measuring range, measurement accuracy, and scope of application are included as given, with no units or explanation in the source data.

Everyday Home Use

For a home mechanic, the practical checks are the same: confirm the part number 36531 PAAL122, confirm the vehicle reference 2.0 MK7 CG9 98-03 CH7, and confirm that the sensor to be replaced is the front oxygen sensor. The source text offers no step-by-step fitting guide, so the vehicle's service manual remains the correct reference. No special tools, sealants, or procedures are stated in the source data. The sensor is supplied as a front oxygen sensor and nothing further about installation is claimed.

Benefits and Buying Value

The buying value of this item rests on matching the stated part number and vehicle reference rather than on any claimed performance figures. Because the source data does not include materials, dimensions, or maintenance instructions, the value case is simply that the part is identified for the listed application and for the front oxygen sensor position. This section keeps to those facts.

Reuse and Low Maintenance

No maintenance or reuse information is provided in the source text, so no claims can be made about service life or cleaning. The only practical point is that the part number 36531 PAAL122 allows the correct sensor to be identified and ordered. If the vehicle's service schedule calls for oxygen sensor checks, that schedule should be followed using the manufacturer's guidance. This listing does not state an interval, a lifespan, or a cleaning method.

Why Choose This Product

This front oxygen sensor is a straightforward replacement item for 2.0 MK7 CG9 98-03 CH7 vehicles, identified by part number 36531 PAAL122. It is listed as a front oxygen sensor and is associated with exhaust emission control. The three 0.8 values for measuring range, measurement accuracy, and scope of application are included as supplied, with no units stated. No competitor comparisons, price claims, or performance promises are made here. The choice rests on correct part number matching and the stated vehicle reference.