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Walker 350-34245 Oxygen Sensor - Downstream Front or Downstream Rear
Overview of Walker 350-34245 Oxygen Sensor
The Walker 350-34245 oxygen sensor is designed specifically for Mitsubishi vehicles including the Eclipse, Endeavor, and Galant models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.
- Heated sensor type for faster response times
- Specific fit for Mitsubishi Eclipse, Endeavor, and Galant
- 26.1-inch wiring harness length with 20 gauge wire
- Four-wire configuration with radiused polygon male connector
- Threaded mounting with 18.0 mm thread diameter
- Overall length of 29.65 inches for proper installation
Detailed Product Description
This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by Mitsubishi vehicles such as the Eclipse, Endeavor, and Galant. The heated sensor type allows the unit to reach operating temperature quickly, improving emissions control and fuel efficiency. Featuring a 26.1-inch wiring harness with 20 gauge wires, the sensor provides reliable electrical connectivity. The four-wire design supports both the sensor signal and heater circuit, while the radiused polygon male connector ensures a secure and precise fit. The threaded mounting style with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port. The overall length of 29.65 inches accommodates proper placement within the exhaust system.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct fit solution for Mitsubishi vehicles. The product line emphasizes durability and compatibility, ensuring that the sensor integrates seamlessly with the vehicle’s existing systems.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for Mitsubishi Eclipse, Endeavor, and Galant
- Helps resolve check engine light triggers related to oxygen sensor faults
- Improves fuel economy by providing precise emissions data
- Reduces harmful exhaust emissions by maintaining proper combustion
- Prevents engine performance issues caused by faulty oxygen sensors
Installation Notes and Tips
Installation requires removal of the old oxygen sensor from the threaded exhaust port. The 18.0 mm thread diameter matches OEM specifications for a direct replacement. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The radiused polygon male connector should be securely connected to the vehicle’s wiring harness to maintain signal integrity. It is recommended to use anti-seize compound on the threads to facilitate future removal.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for fit, form, and function. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. This oxygen sensor is designed to provide reliable performance consistent with OEM requirements for Mitsubishi Eclipse, Endeavor, and Galant models.
| Brand | Walker |
| Part Number | 350-34245 |
| Position | Walker Products Aftermarket, Downstream Front |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 29.65 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 26.1 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Mitsubishi | Eclipse | 3.8L | V6 | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket | |
| 2011 | Mitsubishi | Eclipse | 3.8L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
| 2011 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2010 | Mitsubishi | Eclipse | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2010 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2009 | Mitsubishi | Eclipse | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2009 | Mitsubishi | Endeavor | 3.8L | V6 | Downstream Front | OE Replacement | |
| 2009 | Mitsubishi | Galant | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2008 | Mitsubishi | Eclipse | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2008 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2008 | Mitsubishi | Galant | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2007 | Mitsubishi | Eclipse | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2007 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2007 | Mitsubishi | Galant | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2006 | Mitsubishi | Eclipse | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2006 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2006 | Mitsubishi | Galant | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2005 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2005 | Mitsubishi | Galant | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2004 | Mitsubishi | Endeavor | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 2004 | Mitsubishi | Galant | 3.8L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
* 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.