Hella 014495021 Exhaust Gas Temperature (EGT) Sensor

HELLA EGT Sensor for Mercedes-Benz Diesel Applications

HELLA Exhaust Gas Temperature Sensor 014495021 monitors exhaust heat in real time to help protect the turbocharger, diesel particulate filter, and emissions system. Built with a 2-pole design and a 540 mm cable, this bolted sensor supports OE-style replacement on select Mercedes-Benz GL350, R350, ML350, GL320, ML320, and R320 models.

Key Features

• Exhaust Gas Temperature (EGT) sensor for emissions control systems
• 540 mm cable length for the listed vehicle applications
• 2-pole electrical connection
• Bolted mounting type for secure installation
• OE-level temperature monitoring for diesel exhaust systems
• HELLA part number 014495021

Detailed Description

This HELLA EGT sensor, part number 014495021, is engineered for accurate exhaust temperature tracking in diesel exhaust manifolds. By reporting heat levels to the engine management system, it helps maintain proper thermal control around the turbo, DPF, and related emissions components. It is a direct-fit style replacement for select Mercedes-Benz diesel models, including the 2010-2012 Mercedes-Benz GL350, 2010-2012 Mercedes-Benz R350, 2010-2011 Mercedes-Benz ML350, 2009 Mercedes-Benz GL320, 2009 Mercedes-Benz ML320, and 2009 Mercedes-Benz R320. This part cross-references Delphi TS30058 for the same application.

What It Helps Address

• Faulty exhaust gas temperature readings
• Diesel emissions system warning lights
• Turbocharger heat management issues
• DPF temperature monitoring problems
• Sensor-related drivability or diagnostic trouble codes

Installation Notes and Tips

Verify the connector style, 2-pole configuration, cable length, and bolted mounting location before installation. This sensor is listed for exhaust manifold placement on the specified Mercedes-Benz applications. Confirm the vehicle year and model match the fitment data for HELLA 014495021 before replacing the original sensor.

Quality Assurance

HELLA supplies OE-level electronic components with application-specific engineering for accurate exhaust temperature monitoring. Part number 014495021 is built for the listed Mercedes-Benz diesel fitments and supports consistent sensor performance in emissions control service.