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Walker 350-34584 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Overview of Walker Oxygen Sensor 350-34584
The Walker 350-34584 oxygen sensor is designed specifically for select BMW models, including the 325i, 325is, 325iX, and 850CSi. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance.
- Heated oxygen sensor for accurate emissions control
- Specific fit for BMW 325i, 325is, 325iX, and 850CSi models
- 22.36-inch wiring harness length with 4 wires of 20 gauge
- Threaded mounting with 18.0 mm thread diameter
- Radiused polygon female connector for secure connection
- Overall length of 25.91 inches for proper installation
Walker Products Aftermarket Line Details
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The product line emphasizes precise fitment and quality construction, supporting emission system efficiency and compliance for vehicles like the BMW 325i and 850CSi.
Technical Description and Attributes
The Walker 350-34584 oxygen sensor is a heated sensor type, which helps reduce warm-up time and improves sensor responsiveness. It includes a 22.36-inch wiring harness with four 20-gauge wires, allowing for stable electrical signals. The sensor’s radiused polygon female connector ensures a secure and correct connection to the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter provides a firm and leak-free installation. With an overall length of 25.91 inches, this sensor fits precisely in the designated location on compatible BMW models.
Common Applications and Problem Resolution
- Restores accurate oxygen level readings for optimal fuel mixture
- Helps resolve check engine light issues related to oxygen sensors
- Improves emissions system performance and reduces exhaust pollutants
- Addresses poor fuel economy caused by faulty sensor signals
- Prevents engine hesitation and rough idling linked to sensor failure
Installation Notes and Tips
When installing the Walker 350-34584 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Connect the radiused polygon female connector firmly to avoid electrical issues. Verify the wiring harness length and routing to prevent damage or interference with moving parts. Proper torque specifications should be followed to avoid sensor damage.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. This sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
|---|---|
| Part Number | 350-34584 |
| Position | Walker Products Aftermarket, Upstream Left |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 25.91 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 22.36 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | BMW | 850CSi | 5.6L | V12 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 1995 | BMW | 850CSi | 5.6L | V12 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 1994 | BMW | 850CSi | 5.6L | V12 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 1994 | BMW | 850CSi | 5.6L | V12 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 1991 | BMW | 325i | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1991 | BMW | 325is | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1991 | BMW | 325iX | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1990 | BMW | 325i | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1990 | BMW | 325is | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1990 | BMW | 325iX | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1989 | BMW | 325i | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1989 | BMW | 325is | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1989 | BMW | 325iX | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1988 | BMW | 325i | 2.5L | L6 | GAS | Upstream | From 9/87; Del 9/87; Upstream; Walker Products Aftermarket |
| 1988 | BMW | 325i | 2.5L | L6 | GAS | Upstream | From 9/87; Upstream; Walker Products Aftermarket |
| 1988 | BMW | 325is | 2.5L | L6 | GAS | Upstream | From 9/87; Del 9/87; Upstream; Walker Products Aftermarket |
| 1988 | BMW | 325is | 2.5L | L6 | GAS | Upstream | From 9/87; Upstream; Walker Products Aftermarket |
| 1988 | BMW | 325iX | 2.5L | L6 | GAS | Upstream | From 9/87; Del 9/87; Upstream; Walker Products Aftermarket |
| 1988 | BMW | 325iX | 2.5L | L6 | GAS | Upstream | From 9/87; Upstream; Walker Products Aftermarket |
| 1987 | BMW | 325i | 2.5L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; 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.