Standard Ignition TX218 Engine Coolant Temperature Sensor

Brand Standard Ignition TX218
Attachment Method Bolt On
Connector Gender Female
Connector Shape Square
Connector Type Plug In
Terminal Gender Male
Terminal Type Pin
Fits Honda and Acura · 11 vehicles

Bolt-on installation. Plug-in connector makes replacement straightforward.

Square connector. Female plug with two-pin terminals for a secure connection.

Engine coolant temperature sensor for accurate temperature monitoring.

Cross-references 37870RAAA01 for the same application. See all 1.

$52.49Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $52.49
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Temperature Sensor for Honda and Acura

Standard Ignition TX218 is a bolt-on engine coolant temperature sensor built for radiator-mounted applications. It uses a female square plug-in connector with two male pin terminals for a direct electrical connection in the cooling system.

Key Features

  • Bolt-on attachment method for secure mounting
  • Female, square connector with plug-in design
  • Two male pin terminals for the sensor circuit
  • Radiator-mounted engine coolant temperature sensor application
  • OE-style fitment for select Honda and Acura vehicles

Detailed Description

Standard Ignition TX218 is an engine coolant temperature sensor used to monitor coolant temperature at the radiator-mounted location. Accurate coolant temperature input supports proper engine management, including fuel delivery, idle control, and cooling fan operation. This part is a direct-fit option for select Honda Civic, Honda S2000, Acura TSX, and Honda Accord applications. TX218 also cross-references Honda 37870RAAA01 for the same application.

Compatible With 2009 Honda Civic, radiator-mounted engine coolant temperature sensor; 2006 Honda Civic, radiator-mounted engine coolant temperature sensor; 2006-2009 Honda S2000, radiator-mounted engine coolant temperature sensor; 2006-2008 Acura TSX, radiator-mounted engine coolant temperature sensor; and 2005 Honda Accord, radiator-mounted engine coolant temperature sensor. Standard Ignition TX218 is a practical replacement when the original sensor connection or temperature signal is no longer performing as expected.

Common Uses

  • Restoring coolant temperature signal accuracy
  • Addressing temperature-related engine warning conditions
  • Correcting cooling fan control issues tied to sensor input
  • Replacing a damaged radiator-mounted sensor connector or terminal interface
  • Supporting stable engine operation in Honda and Acura cooling systems

Installation Notes and Tips

Verify the radiator-mounted sensor location before installation and compare the connector shape, terminal count, and attachment style to the original part. Clean the mounting area and inspect the harness connector for corrosion or looseness before plugging in TX218. Confirm vehicle application by year, make, and model before service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX218 is built to match the listed connector and mounting configuration for the specified Honda and Acura applications.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009HondaCivic1.8LL4N/ARadiator-mounted Engine Coolant Temperature Sensor
2009HondaS2000N/ARadiator-mounted Engine Coolant Temperature Sensor
2008AcuraTSXN/ARadiator-mounted Engine Coolant Temperature Sensor
2008HondaS2000N/ARadiator-mounted Engine Coolant Temperature Sensor
2007AcuraTSXN/ARadiator-mounted Engine Coolant Temperature Sensor
2007HondaS2000N/ARadiator-mounted Engine Coolant Temperature Sensor
2006AcuraTSXN/ARadiator-mounted Engine Coolant Temperature Sensor
2006HondaCivic1.3LL4N/ARadiator-mounted Engine Coolant Temperature Sensor
2006HondaCivic1.8LL4N/ARadiator-mounted Engine Coolant Temperature Sensor
2006HondaS2000N/ARadiator-mounted Engine Coolant Temperature Sensor
2005HondaAccord2.4LL4N/ARadiator-mounted Engine Coolant Temperature Sensor
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
37870RAAA01