Hella 009107471 Engine Coolant Temperature Sensor - Engine Block

Hella Coolant Temperature Sensor for BMW

The Hella 009107471 engine coolant temperature sensor is a direct-fit replacement for select BMW applications that use a 12V, 2-pin, bolted NTC sensor. It is built with a black housing, includes a seal, and uses an M14x1.5 thread for secure engine block mounting.

Key Features

• Engine coolant temperature sensor for BMW applications
• Part number: 009107471
• NTC sensor design with 544 ohm resistance
• 12V, 2-pin connector configuration
• Bolted mounting type with included seal
• Black finish to match the original part color
• M14x1.5 thread size
• Temperature range: 80°C

Detailed Description

This Hella coolant temperature sensor is designed for engine block installation and provides the temperature signal used by the vehicle’s engine management system. It is a fitment-based replacement for 1992-1995 BMW 325i and 1993-1995 BMW 740i models, matching the original 12V, 2-pin, bolted configuration. The Hella 009107471 is also cross-referenced to NGK 9333 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Hard starting when the engine is cold
• Rough idle related to temperature signal errors
• Cooling fan or fuel control issues tied to sensor input
• Check engine light conditions caused by a faulty coolant temperature sensor

Installation Notes and Tips

Install on the engine block using the correct M14x1.5 threaded opening and verify the 2-pin connector matches the vehicle harness before installation. The included seal should be seated properly to help maintain a secure connection at the mounting point. Confirm fitment by model year and engine configuration before ordering, especially for BMW 325i and BMW 740i applications.

Quality Assurance

Hella is a recognized automotive parts manufacturer with OE-focused engineering standards. This coolant temperature sensor is built to match the specified electrical and mounting requirements for the listed BMW applications.