Exhaust Gas Temperature Sensor - HELLA - 6PT358181-741

Ensure optimal engine performance with this high-quality Hella exhaust gas temperature sensor. Eng...

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eBayRight HELLA 6PT 358 181-741 Sensor, exhaust gas temperature for MERCEDES-BENZ
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Product Information

Full details

The HELLA 6PT358181-741 Exhaust Gas Temperature Sensor is designed for vehicle owners and mechanics seeking an OE-standard replacement to ensure optimal engine performance and efficient emissions control in select Mercedes-Benz vehicles. This sensor delivers highly precise temperature data to the engine management system, though users should carefully verify part numbers against their specific engine codes and VINs to guarantee a perfect fit before beginning installation.

All features

Model Part Number6PT358181-741
BrandHELLA

Extended Product Information

FAQs

Does this sensor come with a new gasket or seal?

The sensor typically relies on the precision-cut threads and the seating surface of the exhaust manifold; ensure the mounting surface is clean before installation.

What is the length of the cable included?

The included cable length is 375 mm, designed for specific engine bay routing in compatible Mercedes-Benz vehicles.

Do I need special software to calibrate this sensor?

No calibration software is required, but you must clear old error codes from the ECU so the vehicle can begin reading the new input correctly.

Can I install this sensor while the engine is warm?

No. Always allow the engine and exhaust system to cool completely to avoid risk of burns and to ensure accurate thread engagement.

Is this a genuine original equipment part?

HELLA engineers this sensor to strict original equipment (OE) standards, providing a functional equivalent to the factory-installed part.

Troubleshooting

Check engine light remains on after installation

Clear the diagnostic trouble codes (DTCs) using an OBD-II scanner, as the ECU may require a reset to recognize the new sensor data.

Intermittent signal fault codes

Verify that the 2-pin connector is fully seated and that the locking tab has clicked into place; check for corrosion on the pins.

Sensor physically won't fit the mounting port

Double-check your engine model code; this part is specific to select Mercedes-Benz engines and may not be interchangeable with other versions.

Pros and Cons

Pros

  • Matches exact original equipment specifications
  • High build quality for long-term durability
  • Standardized 2-pin connector simplifies installation
  • Essential for maintaining emissions system health

Cons

  • Specific to select Mercedes-Benz models
  • Requires careful verification of part numbers to avoid incompatibility
  • Installation requires access to exhaust components, which may be difficult

Setup, Compatibility & Care

To ensure a successful installation, confirm that your vehicle's VIN or engine code is compatible with part number 6PT358181-741 before ordering.

  1. Preparation: Ensure the engine is completely cool before touching any exhaust components, as these areas reach extreme temperatures during operation.
  2. Removal: Use appropriate penetrating oil on the old sensor threads if it appears seized due to heat-cycling, and gently disconnect the 2-pin connector.
  3. Installation: Seat the new sensor by hand first to prevent cross-threading the mount, then tighten to the manufacturer's specified torque settings.
  4. Care: Keep the electrical connector free of oil, moisture, and debris. Do not use chemical cleaners on the sensor probe itself, as this can degrade the accuracy of the temperature sensing element. Regularly inspect the cable for signs of fraying or heat damage during routine maintenance intervals.

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