How to Replace a Coolant Temperature Sensors on a Subaru Impreza?

Disconnect the battery's negative cable and partially drain coolant. Remove the air intake duct, filter housing, and engine cover if present. Disconnect the ECT sensor's electrical connector and unscrew the sensor. Wrap the sensor threads with Teflon tape. Remove the alternator and repeat the process with the second ECT sensor. Reinstall everything in reverse order and refill the coolant.

Genuine Subaru Impreza Coolant Temperature Sensors

Coolant Temperature Sensor

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8 Coolant Temperature Sensors found

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Subaru Impreza Sensor Assembly Temperature
Part Number: 22630AA140
$29.62 MSRP: $42.93
You Save: $13.31 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Temperature; Coolant Temp Sensor, Temp Sensor
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2006-2012 Subaru Impreza | 2.5 GT, 2.5i, 25i, Base, Limited, Outback, Outback Sport, Premium, Sport, Sport Limited, STI, STI Special Edition, STI Sport, WRX, WRX Sport, WRXSS | 2.5L H4, 2.5L H4 Turbo
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Subaru Impreza Sensor Assembly Temp
Part Number: 22630AA161
$30.14 MSRP: $43.68
You Save: $13.54 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Temperature; Coolant Temp Sensor, Temp Sensor
- Replaces: 22630AA160, 22630AA100, 22630AA11A
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2007 Subaru Impreza | 25i, Brighton, L, Outback, Outback Sport, RS, STI, STI Limited, TS, WRX, WRX TR | 2.0L H4 Turbo, 2.2L H4 Series, 2.5L H4, 2.5L H4 SOHC, 2.5L H4 Turbo
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Subaru Impreza Coolant Temperature Sensor
Part Number: 22630AA230
$44.06 MSRP: $63.85
You Save: $19.79 (31%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Temp Sensor; Engine Coolant
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2013-2016 Subaru Impreza | Base, Limited, Premium, Sport, Sport Limited
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Subaru Impreza Temperature Sensor
Part Number: 22630AA041
$23.12 MSRP: $33.50
You Save: $10.38 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Temperature; Coolant Temp Sensor, Temp Sensor
- Replaces: 22630AA040
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1998 Subaru Impreza | Base, Brighton, L, L+, LE, LS, LX, Outback, RS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC
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Subaru Impreza Temperature Sensor
Part Number: 22630AA100
$30.14 MSRP: $43.68
You Save: $13.54 (31%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Temperature
- Replaced by: 22630AA161
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1999-2003 Subaru Impreza | Brighton, L, Outback, RS, TS, WRX | 2.0L H4 Turbo, 2.2L H4 Series, 2.5L H4, 2.5L H4 SOHC
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Subaru Impreza Temp Sensor Assembly
Part Number: 22630AA27A
$52.90 MSRP: $76.67
You Save: $23.77 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Temperature
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2017-2021 Subaru Impreza | Base, Limited, Premium, Sport
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Subaru Impreza Temperature Sensor
Part Number: 21203AA030
$32.49 MSRP: $47.08
You Save: $14.59 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Gauge Assembly-Thermo; Temp Sending Unit
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1993-1998 Subaru Impreza | Base, Brighton, L, L+, LE, LS, LX, Outback, RS | 1.8L H4, 2.2L H4, 2.2L H4 (New EVAPO), 2.5L H4 DOHC
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Subaru Impreza Sensor Assembly Temp
Part Number: 22630AA160
$30.14 MSRP: $43.68
You Save: $13.54 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Temperature
- Replaced by: 22630AA161
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004 Subaru Impreza | Outback, RS, STI, TS, WRX | 2.0L H4 Turbo, 2.5L H4, 2.5L H4 Turbo

Subaru Impreza Coolant Temperature Sensors

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Subaru Impreza Coolant Temperature Sensors Parts Questions & Experts Answers

Sensor Assembly Temp
22630AA161
Q: How to Replace a Coolant Temperature Sensors on a Subaru Impreza?
A: Disconnect the battery's negative cable and partially drain coolant. Remove the air intake duct, filter housing, and engine cover if present. Disconnect the ECT sensor's electrical connector and unscrew the sensor. Wrap the sensor threads with Teflon tape. Remove the Alternator and repeat the process with the second ECT sensor. Reinstall everything in reverse order and refill the coolant.

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