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Part #: 18208

Bosch 18208 Oxygen Sensor - Upstream Left

OE Quality Oxygen Sensor, Upstream Left
⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Quality Oxygen Sensor, Upstream Left
🚗Fitment: Lexus and Toyota, Avalon, Camry, and ES350
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Bosch Validated Oxygen Sensor 18208 is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, and ES350. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

  • Specific fit for Lexus Avalon, Toyota Camry, and Toyota ES350
  • Heated narrow-band oxygen sensor for precise air-fuel mixture readings
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Includes a 4-wire harness with an 8.4-inch wiring harness length and a 10.6-inch length from sealing surface to connector end
  • Durable metal housing with a steel finish and male rectangular connector

Detailed Features of Bosch Validated Oxygen Sensor 18208

This Bosch Validated Oxygen Sensor 18208 is a standard replacement part engineered to meet OEM specifications. It features a heated narrow-band sensor type that helps maintain accurate oxygen level readings in the exhaust system, which is critical for emission control and fuel efficiency. The sensor includes a 4-wire configuration with blade terminals and a male rectangular connector, ensuring secure and reliable electrical connections. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation in compatible Lexus and Toyota models. The sensor’s metal housing and steel finish provide durability under high-temperature conditions.

Compatible Vehicles and Common Applications

  • Replacement oxygen sensor for Lexus Avalon models requiring part number 18208
  • Emission control sensor for Toyota Camry vehicles with specific fitment needs
  • Suitable for Toyota ES350 models to maintain proper engine air-fuel ratio
  • Helps resolve issues such as poor fuel economy, rough idling, and failed emissions tests
  • Addresses check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 18208, ensure the vehicle is compatible with this specific fitment. The sensor’s threaded mounting requires an 18 mm thread size and a 22 mm hex wrench for proper tightening. Handle the wiring harness carefully to avoid damage to the 4-wire connector assembly. Since this is a heated sensor, verify electrical connections to the heating element for optimal sensor operation. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty Information

Bosch is a recognized manufacturer of emission control components, and the Bosch Validated Oxygen Sensor line is designed to meet stringent quality standards. This oxygen sensor is a standard replacement part that undergoes validation testing to ensure reliable performance. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties to support product reliability and customer confidence.

BrandBosch
Part Number18208
PositionOE Quality Oxygen Sensor, Upstream Left
Wiring Harness Length8.4
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeRectangle
Terminal Quantity4
Connector GenderMale
Terminal GenderMale
Overall Length11.8
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.220462 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)10.6 in
Mounting Bracket IncludedNo
Oxygen Sensor TypeNarrow-band heated
Sensor TypeNarrow-band
Thread Diameter (Oxygen Sensor)18 mm
Thread Size18
Wiring Harness IncludedYes

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025LexusES3503.5LV6Upstream LeftOE Quality Oxygen Sensor
2024LexusES3503.5LV6Upstream LeftOE Quality Oxygen Sensor
2024ToyotaCamry3.5LV6Upstream LeftOE Quality Oxygen Sensor
2023LexusES3503.5LV6Upstream LeftOE Quality Oxygen Sensor
2023ToyotaCamry3.5LV6Upstream LeftOE Quality Oxygen Sensor
2022LexusES3503.5LV6Upstream LeftOE Quality Oxygen Sensor
2022ToyotaAvalon3.5LV6Upstream LeftOE Quality Oxygen Sensor
2022ToyotaCamry3.5LV6Upstream LeftOE Quality Oxygen Sensor
2021LexusES3503.5LV6Upstream LeftOE Quality Oxygen Sensor
2021ToyotaAvalon3.5LV6Upstream LeftOE Quality Oxygen Sensor
2021ToyotaCamry3.5LV6Upstream LeftOE Quality Oxygen Sensor
2020LexusES3503.5LV6Upstream LeftUSA Built; Bosch Validated Oxygen Sensor
2020ToyotaAvalon3.5LV6Upstream LeftBosch Validated Oxygen Sensor
2020ToyotaCamry3.5LV6Upstream LeftBosch Validated Oxygen Sensor
2019LexusES3503.5LV6Upstream LeftUSA Built; Bosch Validated Oxygen Sensor
2019ToyotaAvalon3.5LV6Upstream LeftBosch Validated Oxygen Sensor
2019ToyotaCamry3.5LV6Upstream LeftBosch Validated Oxygen Sensor
2018ToyotaCamry3.5LV6Upstream 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:

8946706230

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