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Engine Coolant Temperature Sensor
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Engine Coolant Temperature Sensor (Delphi) for 1994-2018 Mazda NEW

$ 37 .62

Product Notes

⚠️ Most jobs typically require 2 of this item.

Delphi's history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi's pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.
Brand: Delphi
Condition: New
See All Other Engine Coolant Temperature Sensors
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Connector Gender Female
Connector Quantity 1
Connector Shape Square
Head Tool Size 19
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Thread Sealer Included No
Wiring Harness Included No

Vehicle Fitment Guide

This part fits the following vehicles:

Mazda 12 models (tapclick to expand)(tapclick to hide)
2 2011-2014 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GS Hatchback 2011 - 2014 L4 1.5L FWD Automatic & Manual
GX Hatchback 2011 - 2014 L4 1.5L FWD Automatic & Manual
Sport Hatchback 2011 - 2014 L4 1.5L FWD Automatic & Manual
Touring Hatchback 2011 - 2014 L4 1.5L FWD Automatic & Manual
Yozora Hatchback 2011 L4 1.5L FWD Automatic & Manual
3 2010-2018 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
G Sedan 2016 - 2018 L4 2.0L FWD Manual
GS Hatchback 2010 - 2011 L4 2.0L FWD Automatic & Manual
GS Sedan 2010 - 2012, 2014 - 2018 L4 2.0L FWD Automatic & Manual
GS-SKY Sedan 2012 - 2013 L4 2.0L FWD Automatic & Manual
GT Hatchback 2010 - 2011 L4 2.5L FWD Automatic & Manual
GT Sedan 2010 - 2018 L4 2.5L FWD Automatic
GT Sedan 2010 - 2013 L4 2.5L FWD Manual
GX Hatchback 2010 - 2011 L4 2.0L FWD Automatic & Manual
GX Sedan 2010 - 2018 L4 2.0L FWD Automatic & Manual
Grand Touring Hatchback 2017 - 2018 L4 2.5L FWD Automatic & Manual
Grand Touring Hatchback 2010 - 2013 L4 2.3L Turbo FWD Manual
Grand Touring Sedan 2017 - 2018 L4 2.5L FWD Automatic & Manual
I Sport Hatchback 2014 - 2016 L4 2.0L FWD Automatic & Manual
I Sport Sedan 2014 - 2016 L4 2.0L FWD Automatic & Manual
I Touring Hatchback 2017 - 2018 L4 2.5L FWD Automatic & Manual
I Touring Hatchback 2014 - 2016 L4 2.0L FWD Automatic & Manual
I Touring Sedan 2017 - 2018 L4 2.5L FWD Automatic & Manual
I Touring Sedan 2010 - 2016 L4 2.0L FWD Automatic & Manual
Mazdaspeed Hatchback 2010 - 2013 L4 2.3L Turbo FWD Manual
S Hatchback 2010 - 2018 L4 2.5L FWD Automatic
S Hatchback 2010 - 2013, 2015 - 2018 L4 2.5L FWD Manual
S Sedan 2010 - 2018 L4 2.5L FWD Automatic
S Sedan 2010 - 2013, 2015 - 2018 L4 2.5L FWD Manual
SE Sedan 2018 L4 2.0L FWD Automatic
Sport Hatchback 2017 - 2018 L4 2.0L FWD Automatic & Manual
Sport Sedan 2017 - 2018 L4 2.0L FWD Automatic & Manual
Sport GS Hatchback 2011 L4 2.5L FWD Automatic & Manual
Sport GT Hatchback 2011 L4 2.5L FWD Automatic & Manual
Sport GX Hatchback 2011 L4 2.0L FWD Automatic & Manual
Touring Hatchback 2017 L4 2.0L FWD Automatic & Manual
Touring Hatchback 2017 - 2018 L4 2.5L FWD Automatic & Manual
Touring Sedan 2017 L4 2.0L FWD Automatic & Manual
Touring Sedan 2017 - 2018 L4 2.5L FWD Automatic & Manual
i Hatchback 2012 - 2013 L4 2.0L FWD Automatic & Manual
i Sedan 2010 - 2018 L4 2.0L FWD Automatic & Manual
i Grand Touring Hatchback 2014 - 2016 L4 2.0L FWD Automatic & Manual
i Grand Touring Sedan 2014 - 2016 L4 2.0L FWD Automatic & Manual
i SV Sedan 2014 - 2015 L4 2.0L FWD Automatic & Manual
s Grand Touring Hatchback 2015 - 2016 L4 2.5L FWD Manual
s Grand Touring Hatchback 2014 - 2018 L4 2.5L FWD Automatic
s Grand Touring Sedan 2015 - 2016 L4 2.5L FWD Manual
s Grand Touring Sedan 2014 - 2018 L4 2.5L FWD Automatic
s Touring Hatchback 2015 L4 2.5L FWD Manual
s Touring Hatchback 2014 - 2016 L4 2.5L FWD Automatic
s Touring Sedan 2015 L4 2.5L FWD Manual
s Touring Sedan 2014 - 2016 L4 2.5L FWD Automatic
6 2014-2017 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GS Sedan 2014 - 2017 L4 2.5L FWD Automatic & Manual
GT Sedan 2014 - 2017 L4 2.5L FWD Automatic & Manual
GX Sedan 2014 - 2017 L4 2.5L FWD Automatic & Manual
Grand Touring Sedan 2014 - 2017 L4 2.5L FWD Automatic
I Sport Sedan 2017 L4 2.5L FWD Automatic
Sport Sedan 2014 - 2017 L4 2.5L FWD Automatic & Manual
Touring Sedan 2014 - 2017 L4 2.5L FWD Automatic & Manual
i Sedan 2014 - 2016 L4 2.5L FWD Automatic
i Grand Touring Sedan 2017 L4 2.5L FWD Automatic
626 1994-1997 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
DX Sedan 1994 - 1997 L4 2.0L FWD Automatic & Manual
ES Sedan 1994 - 1997 V6 2.5L FWD Automatic & Manual
LX Sedan 1994 - 1997 L4 2.0L FWD Automatic & Manual
LX Sedan 1994 - 1997 V6 2.5L FWD Automatic & Manual
CX-5 2013-2016 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
GS SUV 2014 - 2016 L4 2.5L AWD/FWD Automatic
GS SUV 2013 L4 2.0L AWD/FWD Automatic
GT SUV 2014 - 2016 L4 2.5L AWD Automatic
GT SUV 2013 L4 2.0L AWD Automatic
GX SUV 2013 - 2016 L4 2.0L AWD/FWD Automatic & Manual
Grand Touring SUV 2014 - 2016 L4 2.5L AWD/FWD Automatic
Grand Touring SUV 2013 L4 2.0L AWD/FWD Automatic
S SUV 2014 - 2016 L4 2.5L AWD/FWD Automatic
Sport SUV 2015 - 2016 L4 2.5L AWD/FWD Automatic & Manual
Sport SUV 2013 - 2016 L4 2.0L AWD/FWD Automatic & Manual
Touring SUV 2014 - 2016 L4 2.5L AWD/FWD Automatic
Touring SUV 2013 L4 2.0L AWD/FWD Automatic
i SUV 2014 - 2016 L4 2.0L FWD Automatic
i Grand Touring SUV 2013 L4 2.0L FWD Automatic
MX-3 1994-1995 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1994 - 1995 L4 1.6L FWD Automatic & Manual
GS Coupe 1994 V6 1.8L FWD Automatic & Manual
Precedia Coupe 1995 L4 1.6L FWD Automatic & Manual
Precedia Coupe 1995 V6 1.8L FWD Automatic & Manual
MX-6 1994-1997 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1994 - 1997 L4 2.0L FWD Automatic & Manual
LS Coupe 1994 - 1997 V6 2.5L FWD Automatic & Manual
M Edition Coupe 1996 V6 2.5L FWD Automatic & Manual
Miata 1994-1997 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Convertible 1994 - 1997 L4 1.8L RWD Automatic & Manual
M Edition Convertible 1994 - 1997 L4 1.8L RWD Automatic & Manual
STO Convertible 1997 L4 1.8L RWD Automatic & Manual
Millenia 1995-2002 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2001 V6 2.3L Supercharged FWD Automatic
Base Sedan 1995 - 2002 V6 2.5L FWD Automatic
L Sedan 1995 - 1998 V6 2.5L FWD Automatic
Millennium Edition Sedan 2000 V6 2.3L Supercharged FWD Automatic
S Sedan 1995 - 2000, 2002 V6 2.3L Supercharged FWD Automatic
Protege 1995-2003 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
DX Sedan 2002 - 2003 L4 2.0L FWD Automatic & Manual
DX Sedan 1999 - 2001 L4 1.6L FWD Automatic & Manual
DX Sedan 1995 - 1998 L4 1.5L FWD Automatic & Manual
ES Sedan 2001 - 2003 L4 2.0L FWD Automatic & Manual
ES Sedan 1995 - 2000 L4 1.8L FWD Automatic & Manual
LX Sedan 2001 - 2003 L4 2.0L FWD Automatic & Manual
LX Sedan 1999 - 2001 L4 1.6L FWD Automatic & Manual
LX Sedan 1995 - 1998 L4 1.5L FWD Automatic & Manual
MP3 Sedan 2001 L4 2.0L FWD Manual
Mazdaspeed Sedan 2003 L4 2.0L Turbo FWD Manual
S Sedan 1995 L4 1.8L FWD U/K
SE Sedan 2002 - 2003 L4 1.6L FWD Automatic & Manual
Protege5 2002-2003 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Hatchback 2002 - 2003 L4 2.0L FWD Automatic & Manual
RX-8 2004-2011 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
40th Anniversary Edition Coupe 2008 R2 1.3L RWD Automatic & Manual
Base Coupe 2004 - 2007 R2 1.3L RWD Automatic & Manual
GS Coupe 2008 - 2009 R2 1.3L RWD Automatic & Manual
GT Coupe 2008 - 2011 R2 1.3L RWD Automatic & Manual
Grand Touring Coupe 2008 - 2011 R2 1.3L RWD Automatic & Manual
R3 Coupe 2009 - 2011 R2 1.3L RWD Manual
Shinka Coupe 2005 R2 1.3L RWD Automatic & Manual
Sport Coupe 2008 - 2011 R2 1.3L RWD Automatic & Manual
Touring Coupe 2008 - 2009 R2 1.3L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
Delphi's history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi's pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Interchange Parts

Brand Part Number
ACDelco 21371
Airtex 1T1186
General Motors 25036809
Wells 5S1517
Wells TU106
Wells TU157

Fits Years: 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

Fits Models: 2, 3, 6, 626, CX-5, Miata, Millenia, MX-3, MX-6, Protege, Protege5, RX-8

Go-Parts Garage · Featured Guide

A Closer Look at the 2010-2014 Mazda 3 Engine Coolant Temperature Sensor

Is your Mazda 3 running rough, overheating, or getting poor gas mileage? Your coolant sensor might be the culprit.

Read Full Guide →

⚠️ Related Trouble Codes (OBD-II)

5 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

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