SKP SKTX121 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Mercedes-Benz

SKP SKTX121 is an engine coolant temperature sensor for select Mercedes-Benz applications. It provides direct fitment coverage for classic 1990s Mercedes-Benz models, including 190E, 300D, 300E, 300CE, 300SE, 300SEL, 300SL, 300TE, 300SD, 560SEC, and 560SEL.

Key Features

• Engine coolant temperature sensor for cooling-system temperature input
• Fits select Mercedes-Benz 190E, 300D, 300E, and related models
• Also fits 560SEC applications with 3-terminal configuration
• Cross-references Standard Ignition TX121 and Global Parts Distributors LLC 1712654
• SKP SKTX121 replacement part for temperature-signal service needs

Fitment Details

• Fits 1991-1993 Mercedes-Benz 190E, N/A
• Fits 1990 Mercedes-Benz 190E, N/A, w/ Calif. Emissions
• Fits 1990-1993 Mercedes-Benz 300D, N/A
• Fits 1992 Mercedes-Benz 300SD, N/A
• Fits 1990-1991 Mercedes-Benz 300E, N/A
• Fits 1990 Mercedes-Benz 300CE, N/A
• Fits 1990 Mercedes-Benz 300SE, N/A
• Fits 1990 Mercedes-Benz 300SEL, N/A
• Fits 1990 Mercedes-Benz 300SL, N/A
• Fits 1990 Mercedes-Benz 300TE, N/A
• Fits 1986-1991 Mercedes-Benz 560SEC, N/A, 3 Term.
• Fits 1990-1991 Mercedes-Benz 560SEL, N/A

What It Helps Address

• Incorrect coolant temperature readings at the engine management system
• Hard starting or rough running related to temperature input errors
• Cooling fan or fuel-control behavior affected by faulty sensor data
• Check engine concerns tied to coolant temperature signal faults
• Temperature gauge or drivability issues on select Mercedes-Benz models

Installation Notes

Verify the connector style and terminal count before installation, especially on 560SEC applications noted as 3-terminal and the 1990 190E California emissions application. Confirm the vehicle year, model, and engine configuration against the listed fitment for SKTX121 before replacement.

Quality Assurance

SKP SKTX121 is cataloged as a direct replacement engine coolant temperature sensor for the listed Mercedes-Benz applications. This part cross-references Standard Ignition TX121 and Global Parts Distributors LLC 1712654 for the same application.