Engine Coolant Temperature Sensor TX138 for Mazda 3, 5, 7
Main Description
Engine Coolant Temperature Sensor TX138 for Mazda 3, 5, and 7, designed by HONGWIN AUTO PARTS CO., LTD. (Mainland China). This L-shaped Holzer-style sensor plugs into the In Air Inlet Pipe and provides precise coolant temperature readings to the engine management system, helping your Mazda maintain optimal fuel mixture and ignition timing from cold start through normal operating temperature. Reliable temperature sensing minimizes rich/lean fuel adjustments and supports smoother idling, quicker warm-ups, and better engine efficiency.
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Benefits & Tips
- Enhances cold-start performance and driveability by delivering accurate coolant readings to the ECU.
- Compatible with Mazda 04-13 models requiring TX138 and related OEM numbers, ensuring reliable integration with your cooling system.
- Install as part of routine cooling system maintenance to preserve accurate temperature data and engine efficiency.
Product Specifications
- Brand: HONGWIN AUTO PARTS CO., LTD. (China)
- Model / OEM Nos: TX138; 158-0782; SU2379; WT5151; 5S1625; 37862; RA-TS1080; 93016; 71-2692; 71-2683; 158-1442
- Sensor Type: Holzer
- Style: L-Shaped
- Type: Coolant Temperature Sensor
- Placement: In Air Inlet Pipe
- Measuring Range: SU2379, WT5151, 5S1625, TX138, 37862
- Repeatability: Engine Coolant Temperature Sensor
- Resolution: 39220-35710, MD-177572, MD-182467
- Hysteresis: Cool system
- Origin: Mainland China
- Compatibility: Fits 04-13 Mazda 3 2.0L-L4
Package Includes
- 1 x Engine Coolant Temperature Sensor TX138
Warnings / Reminders
- Verify compatibility with your vehicle: 04-13 Mazda 3 2.0L-L4.
- Follow standard installation practices; disconnect the battery and ensure a proper seal to prevent leaks.