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Part #: 18008

Bosch 18008 Oxygen Sensor - Downstream

Bosch Engineered Oxygen Sensor, Downstream
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Engineered Oxygen Sensor, Downstream
🚗Fitment: Buick, Verano
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Reliable Oxygen Sensor for Buick Verano

The Bosch Engineered Oxygen Sensor 18008 is designed specifically for Buick Verano models, providing accurate air-fuel mixture readings to optimize engine performance and emissions control. This narrow-band heated oxygen sensor ensures precise monitoring for efficient combustion and reduced emissions.

  • Specific fit for Buick Verano vehicles
  • Heated narrow-band oxygen sensor for faster response
  • Threaded mounting type with 18 mm thread diameter
  • 14.8-inch wiring harness length with trapezoid female connector
  • Standard replacement grade with metal housing and steel finish
  • 4-pin terminal type with female connectors for secure connection
  • Overall length of 18.5 inches for proper fitment
  • Includes wiring harness for direct installation
  • 22 mm hex size for installation with common tools

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable emission control components tailored to specific vehicle applications. The 18008 oxygen sensor is part of this line, engineered to meet OEM specifications for Buick Verano models. This ensures compatibility and consistent performance in monitoring exhaust gases to maintain optimal engine efficiency and emission standards.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows for quicker sensor warm-up and accurate air-fuel ratio detection. The sensor is constructed with a durable metal housing finished in steel, designed to withstand harsh engine environments. It includes a 14.8-inch wiring harness with a trapezoid-shaped female connector and four female terminals, ensuring a secure and reliable electrical connection. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools. The overall length of 18.5 inches and a sealing surface to connector length of 17.3 inches provide proper fitment within the exhaust system of Buick Verano vehicles.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper engine management
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions by ensuring correct air-fuel mixture
  • Prevents check engine light triggers related to oxygen sensor faults
  • Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 18008 on a Buick Verano, ensure the engine is cool before removal to avoid injury. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector shape match the vehicle’s existing sensor to ensure proper fitment. Avoid twisting or damaging the wiring during installation. No mounting bracket is included, so use the existing mounting location on the exhaust system.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 18008 is manufactured to meet strict quality standards for durability and performance. It is a standard replacement grade sensor designed to meet OEM specifications for Buick Verano models. Bosch products typically come with a limited warranty; please refer to Bosch or the product documentation for specific warranty details.

BrandBosch
Part Number18008
PositionBosch Engineered Oxygen Sensor, Downstream
Wiring Harness Length14.8
Terminal TypePin
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeTrapezoid
Terminal Quantity4
Connector GenderFemale
Terminal GenderFemale
Overall Length18.5
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.260145 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)17.3 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 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017BuickVerano2.4LL4DownstreamBosch Engineered Oxygen Sensor
2016BuickVerano2.4LL4DownstreamBosch Engineered Oxygen Sensor
2015BuickVerano2.4LL4DownstreamBosch Engineered 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:

12658647

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