Holstein 2CTS0034 Engine Coolant Temperature Sensor

Holstein Engine Coolant Temperature Sensor

Holstein Parts 2CTS0034 is an engine coolant temperature sensor for a wide range of Mercedes-Benz and Smart applications. It provides direct replacement coverage for many Mercedes-Benz S-Class, AMG, E-Class, SL, CL, ML, and C-Class models, plus select Smart Fortwo applications.

Key Features

• Engine coolant temperature sensor for cooling system monitoring
• Direct-fit replacement for many Mercedes-Benz and Smart vehicles
• Cross-references FEL-PRO 73350 and Four Seasons 37833 for the same application
• Part number: 2CTS0034
• Fits select Mercedes-Benz S65 AMG, S600, E320, C63 AMG, and related models

Detailed Description

Holstein Parts 2CTS0034 is built for vehicles that rely on accurate coolant temperature input for engine management and gauge operation. This sensor is listed across a broad range of Mercedes-Benz fitments, including 1996-2020 Mercedes-Benz applications and select 2005-2007 Smart Fortwo models. If you are searching for a Mercedes-Benz coolant temperature sensor, engine temperature sensor, or a replacement for a Mercedes-Benz S600, E320, or C63 AMG, this part number is a direct reference point for those applications.

Compatible vehicle coverage includes many long-tail searches such as engine coolant temperature sensor for 2006-2011 Mercedes-Benz E320, coolant temp sensor for 2008-2015 Mercedes-Benz C63 AMG, and Mercedes-Benz thermostat housing temperature sensor for 2017 S600. The Holstein Parts line is used here as a straightforward replacement option for cooling-system service on these platforms.

What It Helps Address

• Incorrect coolant temperature readings
• Temperature gauge or warning light concerns
• Engine management issues tied to coolant temperature input
• Hard starting or drivability problems related to sensor signal errors
• Cooling system diagnostic trouble codes

Installation Notes and Tips

Verify the exact year, model, and engine application before ordering, since this part is used in multiple Mercedes-Benz platforms and some listings note specific locations such as thermostat housing or cooling system placement. Compare the original connector style and sensor location to the vehicle’s existing unit before installation. For best results, inspect the surrounding cooling system components and replace any damaged seals or connectors found during service.

Quality Assurance

Holstein Parts 2CTS0034 is cataloged with multiple OE-style cross references, including FEL-PRO 73350 and Four Seasons 37833, to support application matching across the listed Mercedes-Benz and Smart vehicles.