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Walker 273-10408 Exhaust Gas Temperature (EGT) Sensor
Overview of Walker Exhaust Gas Temperature Sensor 273-10408
The Walker Products Exhaust Gas Temperature (EGT) Sensor 273-10408 is designed for precise temperature monitoring in the exhaust system of select Chevrolet and GMC heavy-duty trucks. This sensor helps maintain optimal engine performance and emission control by accurately measuring exhaust gas temperatures.
- Wiring harness length: 345.0 mm for flexible installation
- Gray oval connector with female gender for secure connection
- Blade-type terminals with 2 male terminals for reliable electrical contact
- Thread diameter of 14.0 mm for proper mounting in exhaust locations
- Compatible with Chevrolet and GMC Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models
Detailed Product Description
This Walker Products Exhaust Gas Temperature Sensor (part number 273-10408) is engineered to monitor exhaust gas temperatures accurately in heavy-duty Chevrolet and GMC trucks. The sensor features a 345 mm wiring harness length, allowing for convenient routing and installation within the exhaust system. Its gray oval-shaped connector is female with two blade-type male terminals, ensuring a secure and stable electrical connection. The sensor mounts directly to the exhaust with a 14.0 mm thread diameter, providing a precise fit and reliable operation under high-temperature conditions.
Walker Products is known for its focus on emission control components, and this EGT sensor is part of their specialized product line designed to meet OEM specifications for heavy-duty trucks. The sensor's design supports emission compliance and engine protection by providing accurate temperature data to the vehicle’s engine control unit (ECU).
Applications and Common Issues Addressed
- Helps prevent engine overheating by monitoring exhaust gas temperatures
- Supports emission control systems to reduce harmful exhaust emissions
- Detects exhaust system malfunctions such as clogged diesel particulate filters
- Assists in maintaining fuel efficiency by providing accurate temperature feedback
- Prevents potential damage to turbochargers and exhaust components
Installation Notes and Tips
- Ensure the sensor is installed at the designated exhaust mount location for accurate readings
- Verify the 14.0 mm thread diameter matches the mounting port
- Route the 345 mm wiring harness carefully to avoid heat sources and moving parts
- Confirm the gray oval female connector mates securely with the vehicle’s wiring harness
- Use appropriate tools to avoid damaging blade terminals during installation
Quality Assurance and Warranty
Walker Products maintains strict quality control standards for their emission control sensors, including the 273-10408 EGT sensor. Each unit undergoes rigorous testing to ensure durability and accurate performance under demanding conditions. While specific warranty details are not provided here, Walker Products typically offers coverage consistent with OEM replacement parts standards.
| Brand | Walker |
|---|---|
| Part Number | 273-10408 |
| Position | Walker Products |
| Connector Color | Gray |
| Connector Gender | Female |
| Connector Shape | Oval |
| Mount Location | Exhaust |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Thread Diameter | 14.0 |
| Wire Quantity | 2 |
| Wiring Harness Length | 345.0 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2021 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2021 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2021 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2020 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2020 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2020 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2020 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2019 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2019 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2019 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2019 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | At Turbocharger Outlet; OE Base Sensor | |
| 2018 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2018 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2018 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2018 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2018 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2018 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2018 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2018 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2017 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2017 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2017 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2017 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2017 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2017 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
| 2017 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | T3 - Before Turbocharger; Walker Products |
| 2017 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | T6 - DPF; Walker Products |
* 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.