Volvo Temperature Sensor 20576626 3944123

Quality Assurance One-Year Minimal
Weight 100 g
Packaging Customization Available
Number of pins 2

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OE Number Reference
Replaces Ref. no.
Volvo 20576626
Volvo 3944123
ZG ZG.21109-0008
Used in Vehicles
Brand Model
Volvo B7 B7L 1998-2006 1998 - 2006, B7R 1997-2019 1997 - 2019

Engine Temperature Sensor for Volvo Trucks & Buses (OE 20576626 / 3944123)

Maintain critical engine safety and performance with our high-durability Temperature Sensor, engineered specifically for Volvo heavy-duty trucks and transit buses. As a specialized sensor manufacturer, we produce this component to meet rigorous OEM standards, ensuring accurate thermal data transmission to the ECU to prevent engine overheating and optimize fuel delivery.

Designed for the classic FH and FM generations as well as the long-running B7 bus series, this sensor is a vital component for fleet maintenance and long-term engine reliability.

Key Product Features

  • Advanced NTC Technology: Uses high-stability thermistors for rapid and precise response to temperature changes.

  • Corrosion-Resistant Design: Encased in a premium brass housing to resist engine fluids, road salt, and extreme vibration.

  • Direct OEM Fitment: Engineered as a 1:1 replacement for Volvo 20576626 and 3944123, requiring no wiring modifications.

  • Tested for Longevity: Each batch undergoes thermal cycling and electrical continuity tests to ensure a failure-free service life.


Vehicle Application Guide

This sensor is highly versatile and fits the following Volvo commercial platforms:

Volvo Trucks:

  • Volvo FH Series: FH12 (1998–2001), FH16 (1998–2003)

  • Volvo FM Series: FM12 (1998–2001)

Volvo Buses:

  • Volvo B7 Series: B7L (1998–2006), B7R (1997–2019)


Cross-Reference & OE Part Numbers

Ensure you are ordering the correct part by cross-referencing these manufacturer codes:

  • Volvo: 20576626

  • Volvo: 3944123

  • ZG: ZG.21109-0008


Technical Specifications

  • Application: Coolant / Oil / Intake Air Temperature

  • Thread Size: Standard Volvo Engine Mount (M-Series)

  • Electrical Connection: 2-Pin OEM-Style Connector

  • Resistance Profile: NTC (Negative Temperature Coefficient)

  • Housing Material: High-Conductivity Brass Alloy