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Part #: 18119

Bosch 18119 Oxygen Sensor - Upstream

Bosch Validated Oxygen Sensor, Upstream
1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Bosch Validated Oxygen Sensor, Upstream
Fitment: Mazda, 6
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Reliable Oxygen Sensor for Mazda 6 Vehicles

The Bosch Validated Oxygen Sensor part number 18119 is designed specifically for Mazda 6 models, providing accurate air-fuel mixture readings to optimize engine performance and emissions control. This heated wide-band oxygen sensor ensures precise monitoring for efficient combustion and reduced emissions.

  • Heated oxygen sensor for faster response times
  • Specific fit for Mazda 6 vehicles
  • Wide-band sensor type for accurate air-fuel ratio measurement
  • 22.4-inch wiring harness length with connector included
  • Threaded mounting type with 18 mm thread diameter
  • Durable metal housing with steel finish
  • Pin terminal type with 5 wires and rectangular male connector
  • 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 Mazda 6. The 18119 sensor is part of this line, offering a balance of precision and reliability for emission control systems.

Product Details and Specifications

This Bosch oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response and engine efficiency. The wide-band sensor type provides a broad measurement range for accurate air-fuel ratio detection, essential for modern engine management systems. The sensor includes a 22.4-inch wiring harness with a rectangular male connector and pin terminal type, 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 accurate oxygen sensing for Mazda 6 emission control
  • Helps resolve rough idling caused by faulty oxygen sensors
  • Improves fuel efficiency by providing precise air-fuel data
  • Reduces engine misfires related to sensor malfunction
  • Supports emission system compliance and reduces exhaust pollutants

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 18119, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s factory specifications. Avoid damaging the sensor threads and apply anti-seize compound if recommended by the vehicle manufacturer. Proper torque should be applied to prevent leaks and sensor damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet OEM standards for fit, form, and function. The Bosch Validated Oxygen Sensor 18119 undergoes strict quality control to ensure reliable performance in Mazda 6 vehicles. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to cover defects in materials and workmanship.

BrandBosch
Part Number18119
PositionBosch Validated Oxygen Sensor, Upstream
HeatedYes
Wiring Harness Length22.4
Terminal TypePin
Universal Or Specific FitSpecific
Wire Quantity5
Grade TypeStandard replacement
Connector ShapeRectangle
Connector GenderMale
Terminal GenderFemale
Mounting Bracket IncludedNo
Additional Accessories IncludedNo
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.224872 lb
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)24.6 in
Mounting TypeThreaded
Overall Length25.8 in
Oxygen Sensor TypeWide band
Sensor TypeWide-band
Terminal Quantity4
Thread Diameter (Oxygen Sensor)18 mm
Thread Size18
Wiring Harness IncludedYes

This part fits 1 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2005Mazda6Automatic2.3LL4Upstreamwith California Emission System; Bosch 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:

L362188G1

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