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Part #: 18035

Bosch 18035 Oxygen Sensor - Downstream

Bosch Engineered Oxygen Sensor, Downstream
⚙️ 22 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Engineered Oxygen Sensor, Downstream
🚗Fitment: Honda, CR-Z, Fit, and Insight
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Honda CR-Z, Fit, and Insight

The Bosch Engineered Oxygen Sensor 18035 is designed specifically for select Honda models, including the CR-Z, Fit, and Insight. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

  • Specific fit for Honda CR-Z, Fit, and Insight models
  • Narrow-band heated oxygen sensor for precise emissions monitoring
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Includes a 30-inch wiring harness with a 4-wire, pin terminal configuration
  • Durable metal housing finished in steel for long-lasting use
  • Female rectangular connector with 4 terminals for secure electrical connection
  • Standard replacement grade for reliable performance

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor product line focuses on delivering sensors that meet or exceed OEM specifications. This line emphasizes precise sensor response and durability, making it suitable for emission control systems in modern vehicles. The 18035 oxygen sensor is part of this line, offering a heated narrow-band sensor designed for specific Honda applications to maintain proper engine management and emissions compliance.

Product Details and Specifications

This Bosch oxygen sensor features a 4-wire heated design, which helps the sensor reach operating temperature quickly for accurate readings. The sensor’s threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation in the exhaust system. The wiring harness length is 30 inches, providing sufficient reach for proper connection. The connector is a female rectangular type with 4 terminals, ensuring a secure and reliable electrical interface. The sensor housing is constructed from metal with a steel finish, contributing to its durability under high-temperature conditions.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Helps reduce harmful emissions by maintaining proper air-fuel ratio
  • Resolves engine performance issues related to faulty oxygen sensors
  • Prevents check engine light triggers caused by sensor failure
  • Supports smooth engine idling and acceleration in Honda CR-Z, Fit, and Insight

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the connector type matches the vehicle’s wiring harness to avoid compatibility issues. The 30-inch wiring harness length provides flexibility during installation, but avoid excessive bending or stretching of the wires. Thread the sensor carefully to prevent cross-threading and ensure a proper seal.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 18035 is manufactured to meet OEM standards for fit, form, and function. Bosch provides quality assurance through rigorous testing to ensure sensor reliability and durability. 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 Number18035
PositionBosch Engineered Oxygen Sensor, Downstream
Wiring Harness Length30
Terminal TypePin
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeRectangle
Terminal Quantity4
Connector GenderFemale
Terminal GenderFemale
Overall Length33.7
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.264555 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)32.5 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 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2019HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2018HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2017HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2016HondaCR-Z1.5LL4DownstreamBosch Engineered Oxygen Sensor
2016HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2015HondaCR-Z1.5LL4DownstreamBosch Engineered Oxygen Sensor
2015HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2014HondaCR-Z1.5LL4DownstreamBosch Engineered Oxygen Sensor
2014HondaInsight1.3LL4DownstreamBosch Engineered Oxygen Sensor
2013HondaCR-Z1.5LL4DownstreamBosch Engineered Oxygen Sensor
2013HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2013HondaInsight1.3LL4DownstreamBosch Engineered Oxygen Sensor
2012HondaCR-Z1.5LL4DownstreamBosch Engineered Oxygen Sensor
2012HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2012HondaInsight1.3LL4DownstreamBosch Engineered Oxygen Sensor
2011HondaCR-Z1.5LL4DownstreamBosch Engineered Oxygen Sensor
2011HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2011HondaInsight1.3LL4DownstreamBosch Engineered Oxygen Sensor
2010HondaFit1.5LL4DownstreamBosch Engineered Oxygen Sensor
2010HondaInsight1.3LL4DownstreamBosch Engineered Oxygen Sensor
2009HondaFit1.5LL4DownstreamBosch 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:

365325R000436532RB000436532RB100436532RBJ30536532RTWG03

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