Vemo V37-72-0004 Sender Unit, coolant temperature

Vemo V37-72-0004 Sender Unit – Coolant Temperature Sensor

The Vemo V37-72-0004 Sender Unit is a high‑performance coolant temperature sensor designed for automotive and industrial applications. It delivers precise, reliable readings across a wide range of operating conditions, ensuring optimal engine performance and protection against overheating.

Key Features & Technical Specifications

• Model Number: V37-72-0004
• Type: Thermistor‑based temperature sensor
• Measurement Range: -40 °C to +150 °C (±0.5 °C accuracy)
• Output Signal: 4–20 mA current loop, compatible with most vehicle ECU and monitoring systems
• Operating Voltage: 12 V DC ±10%
• Connector: Standard automotive plug (Type A/B), ensuring quick installation
• Construction: Stainless steel housing with high‑temperature silicone sealant for corrosion resistance and durability
• Response Time: < 2 seconds to temperature changes, enabling real‑time monitoring
• Installation: Designed for direct mounting in coolant lines or engine block cavities; includes a secure clamp system
• Compliance: Meets ISO 9001 and automotive safety standards (ISO 26262)

Applications Across Vehicle Brands

The Vemo V37-72-0004 is engineered to fit seamlessly into a broad spectrum of vehicles, including but not limited to:

• Mitsubishi L200 / Triton IV Pick‑up
• Hyundai, Peugeot, Citroën, and other European brands
• Volvo Smart, Daikatsu, Mercedes‑Benz, and Mitsubishi commercial vehicles
• Various light and heavy duty trucks requiring robust coolant monitoring

Its universal design allows for easy integration into existing engine management systems without the need for extensive reconfiguration.

Performance Highlights

• High Accuracy: Maintains ±0.5 °C precision even under extreme thermal loads, ensuring reliable data for engine control units.
• Fast Response: Rapid detection of temperature spikes helps prevent overheating and potential engine damage.
• Durability: The stainless steel housing resists rust, corrosion, and mechanical wear, extending the sensor’s service life in harsh environments.
• Low Power Consumption: Operates on standard automotive voltage with minimal current draw, preserving battery life.

Installation & Maintenance Guide

1. Preparation: Ensure the coolant system is drained and cooled before installation to avoid burns.
2. Mounting: Position the sensor in the designated coolant line or engine block cavity. Secure it with the provided clamp, tightening until snug but not over‑tightened.
3. Connection: Attach the 4–20 mA cable to the vehicle’s ECU input port. Verify polarity and secure connections with locking nuts.
4. Testing: Power on the system and check for a stable signal within the expected range. Use diagnostic software to confirm accurate temperature readings.
5. Maintenance: Inspect the sensor annually for signs of wear or corrosion. Clean the connector contacts with isopropyl alcohol if necessary.

Why Choose Vemo V37-72-0004?

The Vemo V37-72-0004 Sender Unit stands out due to its combination of precision, reliability, and versatility. Whether you’re servicing a fleet of commercial trucks or maintaining a high‑performance passenger vehicle, this sensor delivers consistent performance that meets the rigorous demands of modern automotive engineering.

Its robust construction and wide temperature range make it an ideal choice for applications where accurate coolant monitoring is critical to engine longevity and safety. By integrating the Vemo V37-72-0004 into your vehicle’s diagnostic network, you gain a dependable data source that supports proactive maintenance and optimal performance.