Keep an accurate read on your engine's temperature with the SKP Engine Coolant Temperature Sensor SKTX121. It installs as a direct-fit replacement for a range of classic Mercedes-Benz models, including the 1988-1989 190D [L5-2.5L], 1990-1993 190E [L6-2.6L], 1990-1993 300D [L5-2.5L], 1990-1991 300E [L6-2.6L and L6-3.0L], 1992 300SD [L6-3.4L], 1986-1991 560SEC [V8-5.6L], and 1990-1991 560SEL [V8-5.6L] — see the "Vehicles it fits" section for the full list of covered applications.
Signs the original sensor may need replacing include erratic or inaccurate temperature gauge readings, hard cold starts, or a coolant-temperature-related trouble code. If a faulty coolant temperature sensor is the cause, this part replaces it; diagnose the underlying issue before installing.
Interchange: 1712654 · 006 545 45 24 · 0065454524 · TX121. Manufacturer part number SKTX121.
This part cross-references / interchanges with the following part numbers:
What does this sensor do?
It measures the engine coolant temperature and sends that signal to the control system and gauge, helping manage fuel delivery, timing, and the temperature reading.
Which vehicles does the SKTX121 fit?
It fits various 1986-1993 Mercedes-Benz models such as the 190D, 190E, 300D, 300E, 300SD, 560SEC, and 560SEL. Check the "Vehicles it fits" section for the complete list and engine codes.
What numbers does this sensor cross-reference?
It interchanges with 1712654, 006 545 45 24 (0065454524), and TX121. The manufacturer part number is SKTX121.
How many sensors do I need?
The listed applications use one sensor each, and this listing is for a single unit.
What are signs this sensor may need replacing?
Erratic or inaccurate temperature readings, hard cold starts, or a coolant-temperature trouble code. Diagnose the cause first, since these symptoms can have other sources.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.