HomeEmission Control > SensorsBosch 18205 Oxygen Sensor - Upstream Left
Part #: 18205

Bosch 18205 Oxygen Sensor - Upstream Left

OE Quality Oxygen Sensor, Upstream Left
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Quality Oxygen Sensor, Upstream Left
🚗Fitment: Volkswagen, Atlas and Atlas Cross Sport
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Reliable Oxygen Sensor for Volkswagen Atlas and Atlas Cross Sport

The Bosch Validated Oxygen Sensor 18205 is designed specifically for Volkswagen Atlas and Atlas Cross Sport models. This heated, wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

  • Heated oxygen sensor for faster response times
  • Specific fit for Volkswagen Atlas and Atlas Cross Sport
  • Wide-band sensor type for precise air-fuel ratio measurement
  • 27.6-inch wiring harness with included connector
  • Threaded mounting type with 18 mm thread diameter
  • Durable metal housing with steel finish
  • Blade terminal type with male connector and terminal
  • Standard replacement grade for reliable performance

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict quality and performance standards. These sensors undergo rigorous validation to ensure compatibility and durability, making them suitable for specific vehicle applications like the Volkswagen Atlas and Atlas Cross Sport. The 18205 part number is part of this line, offering a balance of precision and reliability for emission control systems.

Detailed Product Description

This Bosch oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response and reducing emissions during cold starts. The wide-band sensor technology provides accurate measurement of the air-fuel ratio, which is critical for engine control units to optimize combustion efficiency. The sensor includes a 27.6-inch wiring harness with a rectangular male connector and blade terminals, ensuring a secure and specific fit. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh engine environments.

Common Applications and Issues Addressed

  • Restores proper air-fuel ratio readings for Volkswagen Atlas and Atlas Cross Sport
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing accurate sensor data
  • Reduces harmful emissions by ensuring correct combustion
  • Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 18205, ensure the vehicle is compatible with this specific part number for Volkswagen Atlas and Atlas Cross Sport models. Use a 22 mm oxygen sensor socket for removal and installation. The threaded mounting type requires careful tightening to manufacturer torque specifications to avoid damage. The included wiring harness and connector simplify electrical connections, but verify secure and corrosion-free contacts. No mounting bracket is included, so use the existing sensor location and hardware.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for fit, form, and function. The Bosch Validated Oxygen Sensor 18205 undergoes strict quality control to ensure reliable performance in emission control systems. This part is a standard replacement grade sensor designed to maintain vehicle compliance with emissions regulations. Warranty coverage details should be confirmed with the parts provider or Bosch directly.

BrandBosch
Part Number18205
PositionOE Quality Oxygen Sensor, Upstream Left
HeatedYes
Wiring Harness Length27.6
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity5
Grade TypeStandard replacement
Connector ShapeRectangle
Connector GenderMale
Terminal GenderMale
Mounting Bracket IncludedNo
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.220462 lb
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)29.9 in
Mounting TypeThreaded
Overall Length31.1 in
Oxygen Sensor TypeWide band
Sensor TypeWide-band
Terminal Quantity6
Thread Diameter (Oxygen Sensor)18 mm
Thread Size18
Wiring Harness IncludedYes

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023VolkswagenAtlas3.6LV6Upstream LeftOE Quality Oxygen Sensor
2023VolkswagenAtlas Cross Sport3.6LV6Upstream LeftOE Quality Oxygen Sensor
2022VolkswagenAtlas3.6LV6Upstream LeftOE Quality Oxygen Sensor
2022VolkswagenAtlas Cross Sport3.6LV6Upstream LeftOE Quality Oxygen Sensor
2021VolkswagenAtlas3.6LV6Upstream LeftOE Quality Oxygen Sensor
2021VolkswagenAtlas Cross Sport3.6LV6Upstream LeftOE Quality Oxygen Sensor
2020VolkswagenAtlas3.6LV6Upstream LeftBosch Validated Oxygen Sensor
2020VolkswagenAtlas Cross Sport3.6LV6Upstream LeftBosch Validated Oxygen Sensor
2019VolkswagenAtlas3.6LV6Upstream LeftBosch Validated Oxygen Sensor
2018VolkswagenAtlas3.6LV6Upstream LeftBosch Validated Oxygen Sensor

* 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:

03H906262AQ

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.