OE Quality
60-Day Returns

Beck Arnley 158-0604 Engine Coolant Temperature Sensor
Reliable Engine Coolant Temperature Sensor for Mazda, Toyota, and Scion
The Beck Arnley 158-0604 Engine Coolant Temperature Sensor is designed to provide accurate temperature readings for your vehicle's engine management system. Compatible with various Mazda, Toyota, and Scion models, this sensor helps maintain optimal engine performance and efficiency.
Key Features of Beck Arnley 158-0604 Sensor
- Engine coolant temperature sensor designed for precise temperature monitoring
- Compatible with Mazda Miata, Protege, and Tercel models
- Fits Toyota Camry, Corolla, Echo, Solara, and Paseo vehicles
- Also compatible with Scion xA and xB models
- Durable construction for reliable long-term operation
Detailed Product Description
The Beck Arnley 158-0604 Engine Coolant Temperature Sensor plays a critical role in monitoring the temperature of the engine coolant. By providing accurate temperature data to the engine control unit (ECU), it helps regulate fuel injection and ignition timing. This sensor is engineered to meet or exceed OEM specifications, ensuring compatibility and performance for vehicles such as the Toyota Camry and Mazda Miata. Its robust design withstands harsh engine conditions, contributing to consistent engine operation and preventing overheating issues.
Common Applications and Issues Addressed
- Helps prevent engine overheating by providing accurate coolant temperature readings
- Resolves erratic temperature gauge readings in Toyota Corolla and Scion xB models
- Improves engine performance and fuel efficiency in Mazda Protege and Tercel
- Eliminates check engine light triggers related to coolant temperature sensor faults
- Supports proper engine warm-up and emission control in Toyota Echo and Solara
Installation Notes and Tips
When installing the Beck Arnley 158-0604 sensor, ensure the engine is cool to avoid burns. Locate the existing coolant temperature sensor on the engine block or cylinder head, depending on the vehicle model. Carefully disconnect the electrical connector and remove the old sensor using the appropriate tools. Apply thread sealant if recommended by the vehicle manufacturer before installing the new sensor. Reconnect the electrical connector securely and verify proper sensor operation by checking engine temperature readings after installation.
Quality Assurance and Warranty
Beck Arnley parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 158-0604 Engine Coolant Temperature Sensor undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Beck Arnley typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2005 | Scion | xA | 1.5L | L4 | N/A | |
| 2005 | Scion | xB | 1.5L | L4 | N/A | |
| 2005 | Toyota | Echo | 1.5L | L4 | N/A | Denso Type |
| 2004 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2004 | Scion | xA | 1.5L | L4 | N/A | |
| 2004 | Scion | xB | 1.5L | L4 | N/A | |
| 2004 | Toyota | Echo | 1.5L | L4 | N/A | Denso Type |
| 2003 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2003 | Toyota | Echo | 1.5L | L4 | N/A | Denso Type |
| 2003 | Toyota | Solara | 2.4L | L4 | N/A | |
| 2002 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2002 | Toyota | Camry | 2.4L | L4 | N/A | |
| 2002 | Toyota | Echo | 1.5L | L4 | N/A | Denso Type |
| 2002 | Toyota | Solara | 2.4L | L4 | N/A | |
| 2001 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2001 | Toyota | Corolla | 1.8L | L4 | N/A | |
| 2001 | Toyota | Echo | 1.5L | L4 | N/A | Denso Type |
| 2000 | Mazda | Miata | 1.8L | L4 | N/A | |
| 2000 | Toyota | Corolla | 1.8L | L4 | N/A | |
| 2000 | Toyota | Echo | 1.5L | L4 | N/A | Denso Type |
| 1999 | Mazda | Miata | 1.8L | L4 | N/A | |
| 1999 | Mazda | Protege | 1.8L | L4 | N/A | |
| 1999 | Toyota | Corolla | 1.8L | L4 | N/A | |
| 1998 | Mazda | Protege | 1.5L | L4 | N/A | |
| 1998 | Mazda | Protege | 1.8L | L4 | N/A | |
| 1998 | Toyota | Corolla | 1.8L | L4 | N/A | |
| 1998 | Toyota | Paseo | 1.5L | L4 | N/A | |
| 1998 | Toyota | Tercel | 1.5L | L4 | N/A | |
| 1997 | Mazda | Protege | 1.8L | L4 | N/A | |
| 1997 | Mazda | Protege | 1.5L | L4 | N/A | |
| 1997 | Toyota | Paseo | 1.5L | L4 | N/A | From 5/97; Denso Brand |
| 1997 | Toyota | Tercel | 1.5L | L4 | N/A | From 5/97; Denso Brand |
| 1996 | Mazda | Protege | 1.5L | L4 | N/A | |
| 1995 | Mazda | Protege | 1.5L | L4 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.