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Bosch 18055 Oxygen Sensor - Upstream
Reliable Oxygen Sensor for Hyundai and Kia Vehicles
The Bosch Validated Oxygen Sensor 18055 is designed specifically for Hyundai Sportage and Kia Tucson models. This heated, wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.
- Heated oxygen sensor for faster warm-up and accurate readings
- Specific fit for Hyundai Sportage and Kia Tucson vehicles
- 28.2-inch wiring harness with 5 wires and blade terminals
- Threaded mounting type with 18 mm thread diameter and 22 mm hex size
- Durable metal housing with a steel finish
- Wide-band sensor type for precise emission control
- Rectangle-shaped male connector with 6 terminals included
About the Bosch Validated Oxygen Sensor Line
The Bosch Validated Oxygen Sensor product line focuses on delivering reliable, vehicle-specific sensors that meet OEM specifications. The 18055 part number is part of this line, ensuring compatibility and performance for Hyundai and Kia models requiring precise emission control components.
Product Details and Specifications
This Bosch oxygen sensor features a heated design to reduce warm-up time, improving sensor response and engine efficiency. The 28.2-inch wiring harness includes a rectangle-shaped male connector with six terminals, providing a secure and reliable electrical connection. The sensor is a wide-band type, offering accurate measurement of oxygen levels in the exhaust gases for better fuel management and reduced emissions. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation in the exhaust system. Constructed with a metal housing and steel finish, this sensor is built to withstand harsh operating conditions.
Common Applications and Issues Addressed
- Restores proper air-fuel ratio readings for Hyundai Sportage and Kia Tucson
- Resolves engine performance issues related to faulty oxygen sensors
- Helps reduce emissions and pass state inspections
- Eliminates rough idling and poor fuel economy caused by sensor failure
- Prevents check engine light triggers related to oxygen sensor faults
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 harness before installation. The threaded sensor should be tightened securely but avoid over-torquing to prevent damage. The 28.2-inch wiring harness length provides flexibility for routing during installation.
Quality Assurance and Warranty
The Bosch Validated Oxygen Sensor 18055 is manufactured to meet strict quality standards for durability and performance. Bosch provides a standard replacement grade sensor designed to match OEM specifications. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties to ensure reliability and customer satisfaction.
| Brand | Bosch |
| Part Number | 18055 |
| Position | Bosch Validated Oxygen Sensor, Upstream |
| Heated | Yes |
| Wiring Harness Length | 28.2 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Standard replacement |
| Connector Shape | Rectangle |
| Connector Gender | Male |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.705479 lb |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 27 in |
| Mounting Type | Threaded |
| Overall Length | 28.2 in |
| Oxygen Sensor Type | Wide band |
| Sensor Type | Wide-band |
| Terminal Quantity | 6 |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Hyundai | Tucson | 2.0L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2013 | Hyundai | Tucson | 2.4L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2013 | Kia | Sportage | 2.4L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2012 | Hyundai | Tucson | 2.0L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2012 | Hyundai | Tucson | 2.4L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2012 | Kia | Sportage | 2.4L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2011 | Hyundai | Tucson | 2.4L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2011 | Hyundai | Tucson | 2.0L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2011 | Kia | Sportage | 2.4L | L4 | Upstream | without California Emission System; Bosch Validated Oxygen Sensor |
| 2010 | Hyundai | Tucson | 2.4L | L4 | Upstream | without 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.