How to replace the ECT sensor in the Acura MDX?

First of all, remove the engine cover, drain the coolant, disengage the ECT sensor, unscrew it, replace its O-ring, and finally reverse the process to install. Then do the same for 2003-2006 Acura and Honda Models from 2005. For 2007 Acura models with two ECT sensors, lift the vehicle, remove the splash shield, drain coolant, disconnect the sensor, replace the O-ring, and reverse that procedure for installation.

Genuine Acura MDX Coolant Temperature Sensor

Coolant Water Temperature Sensor

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4 Coolant Temperature Sensors found

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Acura MDX Engine Coolant Temperature Sensor (Denso)
Part Number: 37870-RTA-005
$46.47 MSRP: $64.82
You Save: $18.35 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Water Temperature (Denso)
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2022-2024, 2007-2020 Acura MDX
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Acura MDX Water Temperature Sensor
Part Number: 37870-PNA-003
$61.40 MSRP: $85.63
You Save: $24.23 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Water Temperature (Keihin) ; Coolant Temp Sensor; Coolant Temperature Sensor, Temperature Sensor
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2003-2006 Acura MDX
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Acura MDX Water Temperature Sensor Assembly (Hadsys)
Part Number: 37870-PK2-015
$77.34 MSRP: $108.50
You Save: $31.16 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Water Temperature (Hadsys) ; Coolant Temp Sensor
- Replaces: 37870-PK2-005
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2001-2002 Acura MDX
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Acura MDX Water Temperature Sensor
Part Number: 37870-RWC-A01
$27.65 MSRP: $38.57
You Save: $10.92 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Water Temperature (Panasonic) ; Coolant Temp Sensor; Coolant Temperature Sensor, Temperature Sensor
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
Fits for 2017-2020 Acura MDX

Acura MDX Coolant Temperature Sensor

We provide a broad range of OEM Acura MDX Coolant Temperature Sensor at unbeatable prices on our website. For your OEM parts, You can count on the guaranteed quality, manufacturer's warranty, outstanding customer service, and prompt delivery. We look forward to your visit.

Acura MDX Coolant Temperature Sensor Parts Questions & Experts Answers

Water Temperature Sensor Assembly (Hadsys)
37870-PK2-015
Q: How to replace the ECT sensor in the Acura MDX?
A: First of all, remove the engine cover, drain the coolant, disengage the ECT sensor, unscrew it, replace its O-ring, and finally reverse the process to install. Then do the same for 2003-2006 Acura and Honda Models from 2005. For 2007 Acura models with two ECT sensors, lift the vehicle, remove the splash shield, drain coolant, disconnect the sensor, replace the O-ring, and reverse that procedure for installation.