HomeBosch 18141 Oxygen Sensor - Downstream
Part #: 18141

Bosch 18141 Oxygen Sensor - Downstream

Bosch Validated Oxygen Sensor, Downstream
5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Bosch Validated Oxygen Sensor, Downstream
Fitment: Nissan, Sentra
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Reliable Oxygen Sensor for Nissan Sentra

The Bosch Validated Oxygen Sensor 18141 is designed specifically for Nissan Sentra models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to help maintain efficient combustion.

  • Specific fit for Nissan Sentra vehicles
  • Heated narrow-band oxygen sensor for faster response
  • Threaded mounting type with 18 mm thread diameter
  • 13.1-inch wiring harness length with 4-wire configuration
  • Durable metal housing with a 22 mm hex size for installation
  • Rectangle-shaped male connector with 4 blade terminals
  • Standard replacement grade for reliable performance
  • Overall length of 16.5 inches for proper fitment

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict OEM specifications for fit, form, and function. The 18141 oxygen sensor is engineered to provide consistent and accurate readings, supporting emission control systems in Nissan Sentra vehicles. This line emphasizes quality and compatibility, making it a dependable choice for standard replacement needs.

Product Details and Specifications

This Bosch oxygen sensor features a heated narrow-band design, which allows it to reach operating temperature quickly for accurate air-fuel ratio monitoring. The sensor includes a 13.1-inch wiring harness with four wires and blade terminals housed in a rectangular male connector, ensuring secure electrical connections. The sensor’s metal housing and threaded mounting type with an 18 mm thread diameter provide durability and ease of installation. With an overall length of 16.5 inches and a 22 mm hex size, this sensor fits Nissan Sentra models precisely without modification.

Common Applications and Issues Addressed

  • Restores proper air-fuel mixture readings for improved fuel efficiency
  • Helps reduce harmful emissions by supporting catalytic converter function
  • Resolves engine performance issues related to faulty oxygen sensors
  • Eliminates check engine light triggers caused by sensor failure
  • Prevents rough idling and poor acceleration linked to sensor problems

Installation Notes and Tips

When installing the Bosch 18141 oxygen sensor, 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 and connector type match the vehicle’s factory specifications. Avoid damaging the sensor’s wiring during installation and confirm the threaded mounting is securely tightened to prevent exhaust leaks.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18141 is manufactured to meet OEM standards for durability and performance. It features a metal housing and heated element to ensure long service life. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.

BrandBosch
Part Number18141
PositionBosch Validated Oxygen Sensor, Downstream
Wiring Harness Length13.1
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeRectangle
Terminal Quantity4
Connector GenderMale
Terminal GenderMale
Overall Length16.5
Mounting TypeThreaded
Additional Accessories IncludedNo
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)15.4 in
Mounting Bracket IncludedNo
Oxygen Sensor TypeNarrow-band heated
Sensor TypeNarrow-band
Thread Diameter (Oxygen Sensor)18 mm
Thread Size18
Wire Length375 in
Wiring Harness IncludedYes

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017NissanSentra1.8LL4DownstreamBosch Validated Oxygen Sensor
2016NissanSentra1.8LL4DownstreamBosch Validated Oxygen Sensor
2015NissanSentra1.8LL4DownstreamBosch Validated Oxygen Sensor
2014NissanSentra1.8LL4DownstreamBosch Validated Oxygen Sensor
2013NissanSentra1.8LL4DownstreamBosch 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:

226A03RC0A

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