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Walker 350-35043 Oxygen Sensor - Upstream
Overview of Walker 350-35043 Oxygen Sensor for Mazda CX-7
The Walker 350-35043 oxygen sensor is designed specifically for the Mazda CX-7, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon connector, ensuring a secure and accurate fit for your vehicle.
- Heated oxygen sensor for improved response time
- Specific fit for Mazda CX-7 models
- Threaded mounting with 18.0 mm thread diameter
- 17.24-inch wiring harness length with 5 wires
- Radiused polygon connector with male and female ends
- 20-gauge wire for reliable electrical performance
- Overall length of 20.79 inches for proper installation
Detailed Product Features and Specifications
The Walker 350-35043 oxygen sensor is engineered with a heated sensor element to provide faster warm-up times and more accurate oxygen level readings. It includes a 17.24-inch wiring harness with five wires, each 20 gauge, to ensure consistent signal transmission. The sensor’s connector features a radiused polygon shape with both male and female ends, designed to match the original equipment specifications for the Mazda CX-7. The threaded mounting type with an 18.0 mm diameter allows for secure installation and compatibility with the vehicle’s exhaust system. The overall length of 20.79 inches supports proper placement within the emission control system.
Walker Products Aftermarket Line Information
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable replacement parts that meet or exceed OEM standards. The product line emphasizes precise fitment and durability, making it suitable for emission control applications such as the Mazda CX-7. Walker Products Aftermarket parts are designed to integrate seamlessly with existing vehicle systems, ensuring consistent performance and compliance with emission regulations.
Common Applications and Issues Addressed
- Maintaining accurate air-fuel mixture readings for optimal engine performance
- Reducing harmful emissions by ensuring proper catalytic converter function
- Resolving check engine light triggers related to oxygen sensor faults
- Improving fuel efficiency by providing accurate sensor data
- Preventing engine misfires caused by faulty oxygen sensor signals
Installation Notes and Tips
When installing the Walker 350-35043 oxygen sensor on a Mazda CX-7, ensure the threaded mounting is properly tightened to the manufacturer’s torque specifications to avoid exhaust leaks. Verify the wiring harness length and connector shape match the vehicle’s original sensor to prevent electrical connection issues. It is recommended to disconnect the battery before installation to avoid electrical shorts. Use anti-seize compound on the sensor threads if specified by the vehicle manufacturer to facilitate future removal.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability under typical operating conditions. The 350-35043 part number is backed by Walker’s quality assurance protocols, providing confidence in fitment and function. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.
| Brand | Walker |
| Part Number | 350-35043 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Female |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 20.79 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 17.24 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Mazda | CX-7 | 2.5L | L4 | Upstream | OE Replacement | |
| 2011 | Mazda | CX-7 | 2.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2011 | Mazda | CX-7 | 2.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2010 | Mazda | CX-7 | 2.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2010 | Mazda | CX-7 | 2.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; 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.