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Part #: 18179

Bosch 18179 Oxygen Sensor - Downstream

Bosch Validated Oxygen Sensor, Downstream
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Validated Oxygen Sensor, Downstream
🚗Fitment: Volkswagen, Jetta
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Volkswagen Jetta

The Bosch Validated Oxygen Sensor 18179 is designed specifically for Volkswagen Jetta 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.

Key Features of Bosch Oxygen Sensor 18179

  • Specific fit for Volkswagen Jetta vehicles
  • Narrow-band heated oxygen sensor type for accurate readings
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Includes a 35.6-inch wiring harness with 4 wires and blade terminals
  • Oblong male connector with 4 male terminals for secure connection
  • Durable metal housing finished in steel for long-lasting use
  • Overall length of 39 inches and wiring harness length of 35.6 inches

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable emission control components that meet or exceed OEM specifications. The 18179 sensor is engineered to provide consistent performance and durability, ensuring compatibility and proper function within Volkswagen Jetta emission systems.

Detailed Product Description

This Bosch oxygen sensor 18179 is a standard replacement part designed to maintain optimal engine efficiency and emissions compliance in Volkswagen Jetta models. Featuring a narrow-band heated sensor element, it quickly reaches operating temperature for accurate oxygen level detection. The sensor’s threaded mounting and 18 mm thread size allow for straightforward installation, while the 4-wire harness with blade terminals and oblong male connector ensures a secure electrical connection. Constructed with a metal housing and finished in steel, this sensor withstands harsh engine conditions and contributes to reliable vehicle operation.

Common Applications and Issues Addressed

  • Restores proper air-fuel ratio monitoring in Volkswagen Jetta engines
  • Helps resolve rough idling and engine hesitation caused by faulty sensors
  • Reduces increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate oxygen readings
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch oxygen sensor 18179, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length of 35.6 inches is sufficient for your vehicle’s routing. Confirm the male oblong connector aligns properly with the vehicle’s wiring harness to avoid connection issues. Do not overtighten the sensor; torque to manufacturer specifications to prevent damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Bosch Validated Oxygen Sensor 18179 undergoes rigorous testing to comply with OEM requirements. While specific warranty details are not provided here, Bosch typically offers coverage against defects in materials and workmanship for their emission control sensors.

BrandBosch
Part Number18179
PositionBosch Validated Oxygen Sensor, Downstream
Wiring Harness Length35.6
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeOblong
Terminal Quantity4
Connector GenderMale
Terminal GenderMale
Overall Length39
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.330693 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)37.8 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:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018VolkswagenJetta1.4LL4DownstreamBosch Validated Oxygen Sensor
2017VolkswagenJetta1.4LL4DownstreamBosch Validated Oxygen Sensor
2016VolkswagenJetta1.4LL4GASDownstreamBosch 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:

04E906262EF

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