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Walker 350-31010 Oxygen Sensor - Upstream
Overview of Walker 350-31010 Oxygen Sensor
The Walker 350-31010 oxygen sensor is designed specifically for select Ford and Mazda vehicles, including the Mazda 626, MX-6, RX-7, and Ford Probe. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.
- Wiring harness length: 19.41 inches
- Wire gauge measurement: 20 gauge
- Sensor type: Non-heated oxygen sensor
- Wire quantity: Single wire
- Connector shape: Radiused polygon
- Connector gender: Male
- Thread diameter: 18.0 mm
- Overall length: 22.95 inches
- Mounting type: Threaded
Walker Products Aftermarket Line Details
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing specific-fit emission control components for a range of vehicle makes and models. The line emphasizes compatibility and quality, offering sensors engineered to meet or exceed OEM specifications for reliable emissions monitoring and engine performance.
Product Description and Fitment
The Walker 350-31010 oxygen sensor is a specific-fit, non-heated sensor designed to replace factory-installed sensors on select Ford and Mazda models. Its 20-gauge single wire and radiused polygon male connector ensure a secure electrical connection. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in the exhaust system. With an overall length of 22.95 inches and a wiring harness length of 19.41 inches, this sensor is engineered to fit precisely in the designated locations on the Mazda 626, MX-6, RX-7, and Ford Probe.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for optimal air-fuel mixture
- Helps resolve engine performance issues related to faulty sensors
- Reduces emissions by ensuring proper sensor function
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by maintaining correct sensor feedback
Installation Notes and Tips
Installation requires removal of the old oxygen sensor and threading the Walker 350-31010 sensor into the exhaust port. Ensure the connector matches the radiused polygon male type for proper electrical connection. Use appropriate tools to avoid damaging the 18.0 mm threaded mounting. Verify wiring harness length and routing to prevent strain or interference with other components.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-31010 are not provided here, Walker typically offers limited warranties covering defects in materials and workmanship. Refer to product documentation for exact warranty terms.
| Brand | Walker |
|---|---|
| Part Number | 350-31010 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 22.95 |
| Sensor Type | Non Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 1 |
| Wiring Harness Length | 19.41 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Mazda | RX-7 | 1.3L | R2 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1995 | Mazda | RX-7 | 1.3L | R2 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1994 | Mazda | RX-7 | 1.3L | R2 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1994 | Mazda | RX-7 | 1.3L | R2 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1993 | Mazda | RX-7 | 1.3L | R2 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1993 | Mazda | RX-7 | 1.3L | R2 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1992 | Ford | Probe | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1992 | Ford | Probe | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1992 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo; B1S1; No Turbo; Upstream; Walker Products Aftermarket |
| 1992 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo, No Turbo, Upstream, Bank 1 Sensor 1; Walker Products Aftermarket |
| 1992 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo; B1S1; Upstream; Walker Products Aftermarket |
| 1992 | Mazda | MX-6 | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1992 | Mazda | MX-6 | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1991 | Ford | Probe | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1991 | Ford | Probe | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1991 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo; B1S1; No Turbo; Upstream; Walker Products Aftermarket |
| 1991 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo, No Turbo, Upstream, Bank 1 Sensor 1; Walker Products Aftermarket |
| 1991 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo; B1S1; Upstream; Walker Products Aftermarket |
| 1991 | Mazda | MX-6 | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1991 | Mazda | MX-6 | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1990 | Ford | Probe | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1990 | Ford | Probe | 2.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1990 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo; B1S1; No Turbo; Upstream; Walker Products Aftermarket |
| 1990 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo, No Turbo, Upstream, Bank 1 Sensor 1; Walker Products Aftermarket |
| 1990 | Mazda | 626 | 2.2L | L4 | GAS | Upstream | Non-Turbo; B1S1; Upstream; Walker Products Aftermarket |
| 1990 | Mazda | MX-6 | 2.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1990 | Mazda | MX-6 | 2.2L | 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.