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Bosch 18035 Oxygen Sensor - Downstream
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.
| Brand | Bosch |
| Part Number | 18035 |
| Position | Bosch Engineered Oxygen Sensor, Downstream |
| Wiring Harness Length | 30 |
| Terminal Type | Pin |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Rectangle |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Female |
| Overall Length | 33.7 |
| Mounting Type | Threaded |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.264555 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 32.5 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Sensor Type | Narrow-band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2019 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2018 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2017 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2016 | Honda | CR-Z | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2016 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2015 | Honda | CR-Z | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2015 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2014 | Honda | CR-Z | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2014 | Honda | Insight | 1.3L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2013 | Honda | CR-Z | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2013 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2013 | Honda | Insight | 1.3L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2012 | Honda | CR-Z | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2012 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2012 | Honda | Insight | 1.3L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2011 | Honda | CR-Z | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2011 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2011 | Honda | Insight | 1.3L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2010 | Honda | Fit | 1.5L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2010 | Honda | Insight | 1.3L | L4 | Downstream | Bosch Engineered Oxygen Sensor |
| 2009 | Honda | Fit | 1.5L | L4 | Downstream | Bosch 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.