Monitor engine coolant temperature with this Four Seasons switch, the Engine Coolant Temperature Sensor / Switch 36419, which senses the temperature of the engine coolant and sends that signal to the vehicle's systems. It fits many vehicles, among them the 1999-2007 Chevrolet Silverado 1500, 2005-2007 Chevrolet Equinox and 1999-2007 Chevrolet Silverado 2500, as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list and engine details.
Four Seasons lists this part as a Coolant Temp Sensor Switch, so it is known as both an engine coolant temperature sensor and a switch. Four Seasons engineers and tests its products and brings over 50 years of mobile A/C experience to its lineup.
- Brass construction: designed for accurate temperature sensing.
- Zinc coated terminal: helps resist corrosion.
- Color coded: makes the part easy to identify.
- Sealing parts included: comes with the gaskets, O-rings or seals needed to replace the part properly.
Signs this part may need replacing include an erratic or inaccurate temperature gauge or an illuminated check engine light. These symptoms can have other causes, so diagnose the sensor and its circuit first. If a failed coolant temperature sensor is the cause, this unit replaces it.
Interchange: AC8369 · 207833 · HS872 · 11136419 · 901678 · 25036898 · 701697 · 1711358 · 1712489 · 6817 · 211872 · MT0582 · SU112 · SU2536 · SU4262
This part cross-references / interchanges with the following part numbers:
AC8369, 207833, 36419, HS872, 11136419, 901678, 25036898, 701697, 1711358, 1712489, 6817, 211872, MT0582, SU112, SU2536, SU4262
Frequently Asked Questions
What does the Four Seasons 36419 engine coolant temperature sensor / switch do?
It senses engine coolant temperature and sends that signal to the vehicle's systems on the listed applications.
Is this the right Equinox switch for my 2005-2007 Chevrolet Equinox?
Yes. It is listed as a direct-fit replacement for the 2005-2007 Chevrolet Equinox, and the "Vehicles it fits" section shows the engine-level details.
Does it fit the 1999-2007 Chevrolet Silverado 1500 and 1999-2007 Chevrolet Silverado 2500?
Yes. It is listed for the 1999-2007 Chevrolet Silverado 1500 and the 1999-2007 Chevrolet Silverado 2500. The "Vehicles it fits" section has the full list of vehicles.
What is the sensor made of, and what comes in the box?
It has brass construction for temperature sensing and a zinc coated terminal to resist corrosion. It comes with the gaskets, O-rings or seals needed to replace it properly.
What are signs a coolant temperature sensor may need replacing?
Common signs include an erratic or inaccurate temperature gauge or a check engine light. These can have other causes, so diagnose the sensor and its circuit before replacing it.
