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Standard Ignition TS-421 Automatic Transmission Fluid Temperature Sensor
Reliable Automatic Transmission Fluid Temperature Sensor for Toyota RAV4
The Standard Ignition TS-421 Automatic Transmission Fluid Temperature Sensor is designed specifically for Toyota RAV4 models. This sensor provides accurate temperature readings essential for optimal transmission performance and longevity.
- Attachment Method: Screw on for secure installation
- Straight bend angle for easy fitment
- Durable brass finish with gold and black color accents
- Female square plug-in connector with one terminal
- Brass blade terminal for reliable electrical contact
- Includes one o-ring for proper sealing
- Constructed from plastic and brass materials
- Length of 1.48 inches for precise fit
- Operates at 12 volts
Detailed Product Description
The Standard Ignition TS-421 sensor is engineered to monitor the temperature of the automatic transmission fluid in Toyota RAV4 vehicles. Featuring a screw-on attachment method and a straight bend angle, this sensor ensures straightforward installation and compatibility. The sensor’s connector is a female, square-shaped plug-in type with a single brass blade terminal, providing a secure and stable electrical connection. Its brass finish and plastic body offer durability and resistance to typical engine bay conditions, while the included o-ring helps maintain a proper seal to prevent leaks. Measuring 1.48 inches in length, this sensor fits precisely in the designated transmission port.
Common Applications and Issues Addressed
- Helps prevent transmission overheating by providing accurate fluid temperature data
- Supports proper transmission shifting by enabling temperature-based adjustments
- Reduces risk of transmission damage due to incorrect fluid temperature readings
- Resolves transmission warning light triggers related to temperature sensor faults
- Improves overall transmission system reliability in Toyota RAV4 models
Installation Notes and Tips
When installing the Standard Ignition TS-421 sensor, ensure the transmission is cool to avoid burns. Use the screw-on method to secure the sensor firmly in place. Replace the included o-ring to maintain a proper seal and prevent fluid leaks. Verify the connector is fully engaged and the blade terminal is clean for optimal electrical contact. No wiring harness is included, so use the existing vehicle harness for connection.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The TS-421 sensor undergoes rigorous quality control to ensure reliable performance in Toyota RAV4 vehicles. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties covering defects in materials and workmanship.
| Brand | Standard Ignition |
|---|---|
| Part Number | TS-421 |
| Color | Black |
| Connector Gender | Female |
| Connector Shape | Oval |
| Connector Type | Plug In |
| Contents | 1 O-ring |
| Finish | Brass |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | Toyota | RAV4 | N/A | |
| 1999 | Toyota | RAV4 | N/A | |
| 1998 | Toyota | RAV4 | N/A | |
| 1997 | Toyota | RAV4 | N/A | |
| 1996 | Toyota | RAV4 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.