HomeBelts and Cooling > SensorsStandard Ignition TX56 Engine Coolant Temperature Sensor
Part #: TX56

Standard Ignition TX56 Engine Coolant Temperature Sensor

⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, 190E, 260E, 300CE, 300E, 300SE, 300SEL, 300SL, 300TE, 420SEL, 560SEC, 560SEL, and 560SL
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Reliable Engine Coolant Temperature Sensor for Mercedes-Benz Models

The Standard Ignition TX56 Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for your Mercedes-Benz vehicle. Engineered with a bolt-on attachment method and a durable M14-1.50 thread size, this sensor ensures a secure fit and reliable performance for models including the 190E, 300E, and 560SEL.

  • Bolt-on attachment method for straightforward installation
  • Male connector with two round connectors for secure electrical connection
  • Female cylindrical tube terminals, two in quantity, for reliable signal transmission
  • Thread size M14-1.50 compatible with specified Mercedes-Benz engines
  • Compatible with multiple Mercedes-Benz models such as 260E, 300CE, and 420SEL

Detailed Product Description

The Standard Ignition TX56 sensor is engineered to monitor engine coolant temperature accurately, helping your vehicle's engine control unit (ECU) maintain optimal operating conditions. Featuring a bolt-on design, this sensor installs easily without the need for additional adapters. The male connector with two round pins ensures a stable electrical connection, while the female cylindrical tube terminals provide consistent signal integrity. The M14-1.50 thread size matches factory specifications for a secure and leak-free fit. This sensor is compatible with a range of Mercedes-Benz models, including the 190E, 300SE, 560SEC, and others, making it a versatile replacement part for your cooling system needs.

Common Applications and Issues Addressed

  • Helps prevent engine overheating by providing accurate temperature data
  • Resolves erratic temperature gauge readings in Mercedes-Benz 300SL and 300TE models
  • Supports proper engine management and fuel efficiency in 560SEL and 420SEL vehicles
  • Eliminates check engine light triggers related to coolant temperature sensor faults
  • Assists in maintaining optimal engine performance in 260E and 300CE models

Installation Notes and Tips

Installation of the Standard Ignition TX56 sensor requires removal of the old sensor and replacement with the new bolt-on unit. Ensure the engine is cool before beginning installation to avoid injury. The M14-1.50 thread size matches factory specifications, so no thread adapters are necessary. Verify the male connector and female terminal orientations align correctly to avoid connection issues. Tighten the sensor securely to prevent coolant leaks but avoid over-tightening which may damage the sensor or mounting threads.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TX56 Engine Coolant Temperature Sensor undergoes rigorous quality control testing to maintain consistent standards. While specific warranty details are not provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or your parts provider for exact warranty terms.

BrandStandard Ignition
Part NumberTX56
Attachment MethodBolt on
Connector GenderMale
Connector Quantity2
Connector ShapeRound
Terminal GenderFemale
Terminal Quantity2
Terminal TypeCylindrical tube
Thread SizeM14-1.50

This part fits 44 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1993Mercedes-Benz300TE3.0LL6N/A
1992Mercedes-Benz300CEGASN/A
1992Mercedes-Benz300E3.0LL6N/A
1992Mercedes-Benz300SLN/A
1992Mercedes-Benz300TEN/A
1991Mercedes-Benz300SEN/A
1991Mercedes-Benz300SELN/A
1991Mercedes-Benz300TEN/A
1990Mercedes-Benz190EN/ACompatible with vehicles equipped with Federal Emissions.
1989Mercedes-Benz190EN/A
1989Mercedes-Benz260EN/A
1989Mercedes-Benz300CEN/A
1989Mercedes-Benz300EN/A
1989Mercedes-Benz300SEN/A
1989Mercedes-Benz300SELN/A
1989Mercedes-Benz300TEN/A
1989Mercedes-Benz420SELN/A
1989Mercedes-Benz560SECN/A2 Terminal Fitment
1989Mercedes-Benz560SELN/A
1989Mercedes-Benz560SLN/A
1988Mercedes-Benz190EN/A
1988Mercedes-Benz260EN/A
1988Mercedes-Benz300CEN/A
1988Mercedes-Benz300EN/A
1988Mercedes-Benz300SEN/A
1988Mercedes-Benz300SELN/A
1988Mercedes-Benz300TEN/A
1988Mercedes-Benz420SELN/A
1988Mercedes-Benz560SECN/A2 Terminal Fitment
1988Mercedes-Benz560SELN/A
1988Mercedes-Benz560SLN/A
1987Mercedes-Benz190EN/A
1987Mercedes-Benz260EN/A
1987Mercedes-Benz300EN/A
1987Mercedes-Benz420SELN/A
1987Mercedes-Benz560SECN/A2 Terminal Fitment
1987Mercedes-Benz560SELN/A
1987Mercedes-Benz560SLN/A
1986Mercedes-Benz190EN/A
1986Mercedes-Benz300EN/A
1986Mercedes-Benz420SELN/A
1986Mercedes-Benz560SECN/A2 Terminal Fitment
1986Mercedes-Benz560SELN/A
1986Mercedes-Benz560SLN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0065427717SU6103TS5572TX56WT5019

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.