HomeEmission Control > SensorsWalker 350-33106 Oxygen Sensor - Upstream
Part #: 350-33106

Walker 350-33106 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Upstream
Fitment: Mercedes-Benz, 190E
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-33106 Oxygen Sensor for Mercedes-Benz 190E

The Walker 350-33106 oxygen sensor is designed specifically for the Mercedes-Benz 190E, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a specific fitment to maintain accurate air-fuel mixture readings and support your vehicle's emission system.

  • Heated oxygen sensor for faster response times
  • Specific fitment for Mercedes-Benz 190E models
  • 18.23-inch wiring harness length for proper installation
  • 20 gauge wire measurement with 3 wires for reliable signal transmission
  • Female connector for secure electrical connection
  • 18.00 mm thread diameter for correct mounting
  • Overall length of 21.77 inches to accommodate engine bay layout

Detailed Description of Walker Products Aftermarket Oxygen Sensor

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The 350-33106 sensor is engineered to deliver consistent performance and durability, helping maintain your Mercedes-Benz 190E’s emission system efficiency. The heated sensor element allows quicker activation, reducing cold start emissions and improving fuel economy.

Function and Common Applications

The Walker 350-33106 oxygen sensor is used to monitor the oxygen levels in the exhaust gases of the Mercedes-Benz 190E. This data is critical for the engine control unit to adjust the air-fuel mixture for optimal combustion. It helps address issues such as:

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Rough engine idle or hesitation during acceleration
  • Failed emissions tests related to sensor malfunction
  • Increased exhaust emissions from improper sensor function

Installation Notes and Tips

When installing the Walker 350-33106 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct 18.00 mm thread diameter socket for removal and installation. Verify the female connector matches the vehicle’s wiring harness to ensure a secure connection. Avoid damaging the wiring harness, which measures 18.23 inches, during installation. Proper torque specifications should be followed to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-33106 part number undergoes rigorous testing to ensure reliable performance and durability in emission control applications. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship, supporting long-term vehicle operation.

BrandWalker
Part Number350-33106
PositionWalker Products Aftermarket, Upstream
Connector GenderFemale
Overall Length21.77
Sensor TypeHeated
Thread Diameter18.00
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity3
Wiring Harness Length18.23

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1993Mercedes-Benz190E2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1993Mercedes-Benz190E2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1992Mercedes-Benz190E2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1992Mercedes-Benz190E2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1991Mercedes-Benz190E2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1991Mercedes-Benz190E2.3LL4GASUpstreamFront 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.