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41-6538 Water Temperature Sensor for Thermo King | Aftermarket
41-6538 Water Temperature Sensor for Thermo King monitors engine coolant temperature and sends temperature information to the control system. It provides a reliable replacement solution for Thermo King refrigeration equipment.
Product Description
The 41-6538 Water Temperature Sensor is a replacement temperature sensor for selected Thermo King refrigeration units. It monitors the coolant or water temperature and helps the control system manage engine operating conditions.
A faulty water temperature sensor can cause inaccurate temperature readings, warning signals, or abnormal engine operation. Replacing the sensor can help restore accurate temperature monitoring and reliable unit operation.
This Thermo King water temperature sensor suits aftermarket maintenance and replacement needs. Before ordering, always compare the original part number, connector, thread, and unit model to confirm compatibility.
Product Specifications
| Item | Details |
|---|---|
| Product Type | Water Temperature Sensor |
| Part Number | 41-6538 |
| Brand | Thermo King |
| Application | Refrigeration Equipment |
| Function | Coolant / Water Temperature Monitoring |
| Replacement Type | Aftermarket Replacement |
| Condition | New |
| Installation | Direct Replacement* |
*Contact us to confirm the original sensor and unit specifications before installation.
Key Features
- Designed as a replacement for Thermo King 41-6538.
- Monitors engine coolant or water temperature.
- Helps provide accurate temperature information to the control system.
- Suitable for Thermo King refrigeration equipment maintenance.
- Supports aftermarket repair and replacement applications.
Product Application
The 41-6538 water temperature sensor can be found in applications such as:
| Thermo King Series | Common Models |
|---|---|
| SLX | SLX-100, SLX-200, SLX-300, SLX-400, SLX Spectrum |
| SLXe | SLXe-100, SLXe-200, SLXe-300, SLXe-400, SLXe Spectrum |
| SLXi | SLXi-100, SLXi-200, SLXi-300, SLXi-400, SLXi Spectrum |
| T-Series | T-500R, T-560R, T-600R, T-800R, T-800R Spectrum |
| T-Series | T-1000R, T-1000R Spectrum, T-1200R, T-1200R Spectrum |
| Trailer Units | SL-400e SR2 and selected related applications |
These applications come from aftermarket Thermo King parts catalogs and may vary by production version or equipment configuration. Confirm the unit model and original sensor before replacement.
Main Function
The water temperature sensor plays an important role in engine temperature monitoring.
It helps the refrigeration system:
- Monitor engine coolant temperature.
- Provide temperature information to the control system.
- Detect abnormal engine temperature conditions.
- Support proper engine operation.
- Reduce the risk of incorrect temperature readings caused by a faulty sensor.
When the original sensor becomes inaccurate or fails, the refrigeration unit may show abnormal temperature information or related warning conditions. Replacing the sensor can restore proper temperature monitoring.
Common Replacement Symptoms
A damaged or aging water temperature sensor may cause:
- Incorrect engine temperature readings.
- Unstable temperature information.
- Temperature-related warning messages.
- Abnormal engine operation.
- Difficulties in diagnosing engine cooling problems.
- Intermittent sensor signals.
These symptoms can have other causes, so technicians should test the sensor and related wiring before replacement.
41-6538 Replacement Information
41-6538 is the key identification number for this product.
Common ways customers search for this sensor include:
- 41-6538 water temperature sensor
- Thermo King 41-6538
- 416538 sensor
- Thermo King water temp sensor
- Thermo King engine water sensor
- Thermo King coolant temperature sensor
- Thermo King SLX water temperature sensor
- Thermo King SLXi temperature sensor
- Thermo King T-Series temperature sensor
Some aftermarket suppliers also list 416538 as an alternative way to identify the same part number.
Similar Thermo King Water Temperature Sensors
Thermo King uses several water temperature sensor part numbers. Therefore, customers should not select a sensor based only on the general product name.
| Part Number | Product | Typical Application |
|---|---|---|
| 41-6538 | Water Temperature Sensor | Selected SLX, SLXe, SLXi and T-Series units |
| 41-6539 | Water Temperature Sensor | Selected MD, RD, TD, SL and SB applications |
| 41-7068 | Water Temperature Sensor | Selected SB, SMX and SL applications |
For example, 41-6539 covers a different group of Thermo King equipment, while 41-7068 appears in selected SB and SL applications. Therefore, 41-6538, 41-6539 and 41-7068 should not be treated as interchangeable without checking the application.
Why Choose 41-6538 Replacement Sensor?
- Designed for selected Thermo King refrigeration applications.
- Helps monitor engine coolant temperature accurately.
- Suitable for aftermarket repair and maintenance.
- Supports truck and trailer refrigeration equipment.
- Useful for Thermo King parts distributors and refrigeration repair companies.
- Available as a replacement option for the original 41-6538 sensor.
Suitable Customers
This product is suitable for:
- Thermo King parts distributors
- Refrigeration parts wholesalers
- Transport refrigeration repair shops
- Truck refrigeration service companies
- Trailer refrigeration maintenance companies
- Fleet maintenance departments
- Aftermarket refrigeration parts suppliers
Ordering Information
Before ordering the 41-6538 Water Temperature Sensor, customers should provide:
- Original part number.
- Thermo King unit model.
- Unit serial number when available.
- Existing sensor photo if necessary.
- Connector and terminal information.
