VEMO Coolant Temperature Sensor V46-72-0028
A precise coolant temperature sensor with a robust stainless steel probe, sealed housing, and dual‑wire output for accurate engine monitoring in VEMO compatible vehicles
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VEMO Coolant Temperature Sensor V46-72-0028
The VEMO Coolant Temperature Sensor V46-72-0028 is a precision instrument engineered to deliver reliable temperature measurements for automotive cooling systems. Designed with durability and accuracy in mind, this sensor plays a crucial role in maintaining optimal engine performance by providing real‑time data on coolant temperature.
Key Functionalities
- Accurate Temperature Sensing: Utilizes advanced thermistor technology to convert temperature variations into precise electrical signals, ensuring the engine control unit receives reliable input for thermal management.
- Wide Operating Range: Capable of measuring temperatures across a broad spectrum, from sub‑freezing conditions to high operating temperatures typical in modern engines.
- Fast Response Time: Designed to react quickly to temperature changes, allowing the vehicle’s cooling system to adjust promptly and prevent overheating or overcooling scenarios.
- Robust Construction: Encased in a high‑temperature resistant housing that protects against coolant corrosion, vibration, and mechanical shock.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | V46-72-0028 |
| Sensor Type | Negative Temperature Coefficient (NTC) Thermistor |
| Operating Temperature Range | -40°C to +150°C (typical automotive range) |
| Output Signal | Analog voltage proportional to temperature |
| Resistance at 25°C | 10 kΩ (standard for automotive sensors) |
| Sealing | O‑ring sealed connector to prevent coolant ingress |
| Connector Type | Standard automotive 3‑pin or 4‑pin plug (depending on vehicle application) |
| Dimensions | Approximately 30 mm in length, 12 mm diameter (typical for VEMO sensors) |
Installation Guidelines
Proper installation is essential to ensure accurate readings and sensor longevity. Follow these steps:
- Disconnect the Battery: Safeguard against electrical shock or short circuits.
- Remove Existing Sensor: Use a suitable socket or wrench to unscrew the old sensor from the coolant system.
- Clean the Mounting Surface: Remove any debris, corrosion, or old gasket material to guarantee a tight seal.
- Install the New Sensor: Align the sensor’s connector with the vehicle’s wiring harness and screw it into place. Tighten to manufacturer specifications to avoid leaks.
- Reconnect the Battery: Restore power and verify that the engine control unit registers the new sensor’s output.
Compatibility Overview
The VEMO Coolant Temperature Sensor V46-72-0028 is engineered to fit a wide array of vehicle makes and models, particularly those from European manufacturers such as Opel, Renault, Volvo, and Vauxhall. Its universal design allows it to replace OEM sensors in many engines without the need for adapters or modifications.
Benefits of Choosing VEMO
- Reliability: VEMO’s reputation for high quality ensures that the sensor will perform consistently over extended periods, even under harsh operating conditions.
- Precision: The thermistor’s low tolerance guarantees minimal measurement error, which is critical for engine management systems.
- Ease of Replacement: Standardized connectors and dimensions simplify the swap process for technicians and DIY enthusiasts alike.
- Longevity: Constructed from materials that resist corrosion and thermal fatigue, the sensor offers a long service life with minimal maintenance.
Maintenance Tips
While the sensor itself requires little upkeep, maintaining the overall cooling system will indirectly preserve sensor performance:
- Regularly check coolant levels and replace coolant as per manufacturer recommendations.
- Inspect hoses and clamps for signs of wear or leaks.
- Ensure that the radiator fan operates correctly to prevent overheating.
Conclusion
The VEMO Coolant Temperature Sensor V46-72-0028 stands out as a dependable component for automotive cooling systems. Its combination of accurate temperature measurement, robust construction, and broad compatibility makes it an excellent choice for vehicle owners and mechanics seeking to maintain engine health and performance.
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Category
This product is cataloged in our store in these categories
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- Coolant temperature sensors for cars |
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| Tags | VEMO Coolant Temperature |
| Identifiers | |
| Brand | ![]() Vemo is a brand that specializes in making watches. They make a wide variety of watches, from sporty to dressy, and everything in between. Their watches are known for their high quality and stylish designs. |
| MPN | Vemo V46-72-0028-VEM |
| Model | Vemo V46-72-0028-VEM |
| ID | 7137515 |
| Dimensions / Weight | |
| Key Features | |


