Coolant Temperature Sensors measure coolant temperature through changing resistance and sends this information to the onboard computer. The computer uses this and other inputs to calculate the correct amount of fuel delivered.

Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001/IATF16949 certified company, we are committed to supplying the highest quality products. -¬ 2023 Walker Products Inc. All rights reserved.

• Designed to meet or exceed OE specifications in form, fit and function. Direct fit replacement. Direct fit connectors.

CA_Prop65_Lead:	WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. www.p65warnings.ca.gov
Connector Gender:	Female
Connector Shape:	Rectangle
Terminal Quantity:	2
Terminal Type:	Blade
Wiring Harness Included:	No

• MTE-THOMSON: 4138
• Scion: 89422WB001
• BWD: WT5290
• Motorad: 1TS1177
• Toyota: 89422WB001
• SMP: TX280

• 2016 Scion iA | Note: Location-Engine Block
• 2017-2018 Toyota Yaris iA | Note: Location-Engine Block
• 2019 Toyota Yaris | Note: Location-Engine Block