Hella 358058221 Engine Coolant Temperature Sensor

Hella Engine Coolant Temperature Sensor

The Hella 358058221 engine coolant temperature sensor is a direct-fit cooling system sensor for vehicles that rely on accurate coolant temperature input for engine management. Built with 2 poles and supplied with a seal, it supports reliable electrical connection and proper sealing at the engine location.

Compatible With Buick Encore, Chevrolet Trax, Chevrolet Sonic, Chevrolet Cruze, Chevrolet Volt, Cadillac ELR, and Saturn Astra applications listed below, this Hella coolant temperature sensor is a practical OE-style replacement for temperature signal faults and cooling system diagnostics. The Hella line is known for electrical and thermal management components used in demanding automotive applications.

Key Features

• Engine coolant temperature sensor for cooling system and engine control input
• 2-pole electrical design
• Includes seal for the sensor installation point
• Fits engine-location applications
• Hella part number 358058221

Detailed Description

The Hella 358058221 is an engine coolant temperature sensor used to report coolant temperature to the vehicle’s control systems. Accurate temperature data helps the engine management system respond correctly during cold starts, warm-up, and normal operating conditions. This part number 358058221 is listed for multiple GM compact and subcompact platforms, including Buick Encore and Chevrolet Trax, along with Chevrolet Sonic, Cruze, Volt, Cadillac ELR, and Saturn Astra applications.

This part cross-references Monroe Shocks & Struts (e.g., 37083) for the same application. It also cross-references Delphi TS10468 for the same application.

What It Helps Address

• Erratic or inaccurate coolant temperature readings
• Check engine light related to coolant temperature sensor faults
• Hard starting or poor cold-start behavior tied to temperature input
• Cooling fan control issues caused by incorrect temperature data
• Driveability concerns from inconsistent engine temperature reporting

Installation Notes and Tips

Fits 2020-2021 Buick Encore, Location-Engine. Fits 2021 Chevrolet Trax, Location-Engine. Fits 2015-2020 Chevrolet Trax, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2013-2019 Buick Encore, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2012-2019 Chevrolet Sonic, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2014-2016 Cadillac ELR, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2016 Chevrolet Cruze Limited, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2011-2015 Chevrolet Cruze, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2011-2015 Chevrolet Volt, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella. Fits 2008 Saturn Astra, Number of Poles: 2; Supplementary Article/Supplementary Info: with seal; Hella.

Verify connector style, sensor location, and engine application before installation. Clean the mounting surface and inspect the sealing area so the included seal seats correctly. If the vehicle has stored coolant temperature codes, clear them after installation and confirm the reading with a scan tool.

Quality Assurance

Hella is a recognized automotive parts brand with a strong presence in electrical and thermal management components. The 2-pole design and included seal support a proper replacement for the listed Buick Encore, Chevrolet Trax, and related GM applications.