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Walker 250-25069 Oxygen Sensor - Upstream or Upstream Front
Overview of Walker Products OE Oxygen Sensor 250-25069
The Walker Products OE Oxygen Sensor 250-25069 is designed specifically for Mazda 6 models, 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 6 vehicles
- Threaded mounting with 18.0 mm thread diameter
- 23.15 inches wiring harness length with 5 wires
- Radiused polygon connector with male and female ends
- 20 gauge wire for reliable signal transmission
- Overall length of 26.69 inches for proper installation
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-25069) is engineered to meet the exact specifications required by Mazda 6 models. The sensor is heated, which helps it reach operating temperature faster, improving fuel efficiency and reducing emissions. It features a 23.15-inch wiring harness with five 20-gauge wires, providing robust electrical connectivity. The radiused polygon connector design includes both male and female ends, ensuring a secure and precise connection. The sensor mounts via a threaded fitting with an 18.0 mm diameter, and the overall length of 26.69 inches allows for proper placement within the exhaust system.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor is part of that line, ensuring compatibility and reliability for Mazda 6 owners who require a sensor that matches OEM specifications for emission control systems.
Common Applications and Issues Addressed
- Helps maintain optimal air-fuel mixture for efficient combustion
- Reduces engine misfires caused by faulty oxygen sensors
- Prevents increased emissions and failed emissions tests
- Improves fuel economy by providing accurate sensor data
- Resolves check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
When installing the Walker Products OE oxygen sensor 250-25069 on a Mazda 6, ensure the threaded mounting is properly tightened to the manufacturer’s torque specifications. Verify the wiring harness length and connector type match the vehicle’s harness to avoid connection issues. It is recommended to use anti-seize compound on the threads to facilitate future removal. Always disconnect the battery before installation to prevent electrical shorts.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-25069 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Mazda 6 vehicles.
| Brand | Walker |
|---|---|
| Part Number | 250-25069 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Female |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 26.69 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 23.15 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2008 | Mazda | 6 | Manual | 2.3L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 2008 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | |
| 2008 | Mazda | 6 | Manual | 2.3L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 2008 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | |
| 2008 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | |
| 2007 | Mazda | 6 | Manual | 2.3L | L4 | GAS | Upstream Front | B1S1; Upstream; Front; Walker Products OE | |
| 2007 | Mazda | 6 | Manual | 2.3L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 2007 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream Front | Non Calif-ESV; B1S1; No Calif-ESV; Upstream; Front; Walker Products OE | |
| 2007 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | |
| 2007 | Mazda | 6 | Manual | 2.3L | L4 | GAS | Upstream Front | Upstream Front Oxygen Sensor for Bank 1 Sensor 1; Walker Products OE | |
| 2007 | Mazda | 6 | Manual | 2.3L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 2007 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream Front | Non Calif-ESV; No Calif-ESV; Upstream; Front; B1S1; Walker Products OE | |
| 2007 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | |
| 2007 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream Front | Non Calif-ESV; B1S1; Upstream; Front; Walker Products OE | |
| 2007 | Mazda | 6 | Automatic | 2.3L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | |
| 2006 | Mazda | 6 | i | Manual | 2.3L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2006 | Mazda | 6 | i | Automatic | 2.3L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE |
| 2006 | Mazda | 6 | i | Manual | 2.3L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2006 | Mazda | 6 | i | Automatic | 2.3L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE |
| 2006 | Mazda | 6 | i | Automatic | 2.3L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE |
* 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.