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Walker 273-10420 Exhaust Gas Temperature (EGT) Sensor
Overview of Walker Products Exhaust Gas Temperature Sensor
The Walker Products Exhaust Gas Temperature (EGT) Sensor 273-10420 is designed for precise temperature monitoring in the exhaust system of select Chevrolet and GMC trucks. This sensor helps maintain optimal engine performance and emission control by accurately measuring exhaust gas temperatures.
- Wiring harness length: 280.0 mm for flexible installation
- Gray oval connector with female gender for secure connection
- Blade-type terminals, 2 terminals with male gender
- Thread diameter of 14.0 mm for proper mounting in exhaust
- Compatible with Chevrolet Silverado 2500 HD, 3500 HD and GMC Sierra 2500 HD, 3500 HD models
Detailed Product Description
This Walker Products Exhaust Gas Temperature Sensor (part number 273-10420) is engineered to provide reliable temperature readings directly from the exhaust system. The sensor features a 280 mm wiring harness length, allowing for convenient routing and connection within the engine bay. 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, designed to fit the exhaust ports of Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD trucks.
Walker Products is a recognized brand line known for its focus on emission control components, including sensors that meet or exceed OEM specifications. This EGT sensor is part of their product line dedicated to maintaining emission system integrity and engine efficiency.
Common Applications and Issues Addressed
- Monitors exhaust gas temperature to prevent engine overheating
- Helps maintain proper emission control system function
- Detects exhaust system faults that could trigger check engine lights
- Supports engine management systems in heavy-duty Chevrolet and GMC trucks
- Prevents damage to turbochargers and exhaust components by providing accurate temperature data
Installation Notes and Tips
- Ensure the sensor is installed at the exhaust mount location specified for your vehicle
- Verify connector color and shape (gray oval female connector) to match existing wiring harness
- Use appropriate tools for the 14.0 mm thread diameter to avoid damage during installation
- Check wiring harness length (280 mm) for proper fit and routing clearance
- Confirm terminal types and gender for compatibility with vehicle wiring
Quality Assurance and Warranty
Walker Products sensors are manufactured to meet stringent quality standards for durability and accuracy. The 273-10420 Exhaust Gas Temperature Sensor undergoes rigorous testing to ensure reliable performance in demanding conditions typical of Chevrolet Silverado and GMC Sierra heavy-duty trucks. Warranty coverage details should be confirmed with the product supplier or manufacturer documentation.
| Brand | Walker |
|---|---|
| Part Number | 273-10420 |
| 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 | 280.0 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | At EGR Cooler; OE Base Sensor | |
| 2021 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | N/A | At EGR Cooler; OE Base Sensor | |
| 2021 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | At EGR Cooler; OE Base Sensor | |
| 2021 | GMC | Sierra 3500 HD | 6.6L | V8 | N/A | At EGR Cooler; OE Base Sensor | |
| 2020 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2020 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2020 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2020 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2019 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2019 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2019 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2019 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2018 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2018 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2018 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2018 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2017 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2017 | Chevrolet | Silverado 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2017 | GMC | Sierra 2500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; Walker Products |
| 2017 | GMC | Sierra 3500 HD | 6.6L | V8 | DIESEL | N/A | EGR System; Position 2; 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.