HomeEmission Control > SensorsWalker 350-34163 Oxygen Sensor - Upstream
Part #: 350-34163

Walker 350-34163 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products Aftermarket, Upstream
🚗Fitment: Mercedes-Benz, SLK230
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Oxygen Sensor for Mercedes-Benz SLK230

The Walker 350-34163 oxygen sensor is designed specifically for the Mercedes-Benz SLK230, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Mercedes-Benz SLK230 models
  • 15.67-inch wiring harness length for flexible placement
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon male connector for reliable connection
  • Wire gauge measurement of 20 for durability and signal integrity
  • Overall length of 19.21 inches for proper fitment

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line offers a range of emission control components engineered to meet or exceed OEM specifications. The 350-34163 oxygen sensor is part of this line, providing a direct replacement solution tailored for specific vehicle applications like the Mercedes-Benz SLK230. This ensures compatibility and performance consistency within the vehicle’s emission system.

Product Description and Attributes

This Walker oxygen sensor (part number 350-34163) is a heated sensor designed to provide accurate oxygen level readings to the engine control unit. It features a 4-wire design with a 20-gauge wire measurement, which supports efficient heating and signal transmission. The sensor’s wiring harness length of 15.67 inches and overall length of 19.21 inches allow for proper routing and installation in the engine bay. The threaded mounting type with an 18.0 mm thread diameter ensures a secure fit in the exhaust system. The radiused polygon male connector provides a reliable electrical connection, reducing the risk of disconnection or signal loss.

Common Applications and Issues Addressed

  • Replacement for faulty or worn oxygen sensors in Mercedes-Benz SLK230
  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Reduces emissions by providing accurate feedback to the engine control unit
  • Prevents check engine light triggers caused by sensor failure
  • Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

When installing the Walker 350-34163 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 350-34163 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Mercedes-Benz SLK230 vehicles.

BrandWalker
Part Number350-34163
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length19.21
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length15.67

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1999Mercedes-BenzSLK2302.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999Mercedes-BenzSLK2302.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998Mercedes-BenzSLK2302.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998Mercedes-BenzSLK2302.3LL4GASUpstreamFront 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.