Bosch 13176 Oxygen Sensor - Downstream

Bosch Oxygen Sensor for Downstream Control

Bosch 13176 is a specific-fit, narrow-band heated oxygen sensor for downstream applications on select Acura and Honda models. It provides the ECU with air-fuel-ratio feedback needed for stable combustion control and emissions monitoring.

Built as part of the Bosch Engineered Oxygen Sensor line, this sensor reflects Bosch’s OE development history in oxygen sensing, including faster light-off and improved closed-loop response in modern narrowband designs.

Key Features

• Specific-fit Bosch oxygen sensor for downstream placement
• Narrow-band heated sensor design for steady signal output
• 4-wire configuration with blade terminals and rectangle connector
• Threaded mounting with 18 mm thread size and 22 mm hex size
• Wiring harness included with 30.7 in harness length
• Metal housing with steel finish for underbody service conditions
• Bosch part number 13176 for direct catalog lookup

Detailed Description

Bosch 13176 is a downstream oxygen sensor engineered for precise exhaust feedback on 1995-1997 Honda Accord, 1996 Honda Prelude, 1997-1999 Acura CL, and 1999 Acura TL without California Emission System, as well as 1998-1999 Honda Accord without California Emission System. It uses a heated narrow-band sensor element to help the engine control module maintain accurate fuel control after the catalytic converter.

The Bosch Engineered Oxygen Sensor line draws on Bosch’s long OE development background, including ceramic sensing elements, controlled heater operation, and high-temperature materials that support consistent signal quality under heat and vibration. If you are searching for a Bosch 13176 oxygen sensor for a 1998 Honda Accord downstream location or a Bosch 13176 replacement for a 1999 Acura TL downstream application, this part matches the listed vehicle coverage.

This part cross-references Honda/Acura OE numbers 36532P0AA01 and 36532P0GA02 for the same application.

What It Helps Address

• Check engine light related to downstream oxygen sensor performance
• Slow or unstable oxygen sensor signal response
• Incorrect fuel trim feedback after the catalytic converter
• Emissions test failures tied to sensor output issues
• Rough closed-loop operation caused by a worn narrow-band sensor

Installation Notes and Tips

Install Bosch 13176 in the threaded downstream location specified by the vehicle application. Verify connector shape, wire count, and harness routing before installation, and inspect the exhaust bung threads for damage or contamination. Because this is a heated narrow-band sensor, proper connector engagement and secure harness routing are important for reliable operation.

For fitment, this sensor is listed for 1997-1999 Acura CL, 1999 Acura TL without California Emission System, 1995-1997 Honda Accord, 1998-1999 Honda Accord without California Emission System, and 1996 Honda Prelude in the downstream position.

Quality Assurance

Bosch backs this oxygen sensor with more than five decades of OE development experience in emission control sensing. The Bosch Engineered Oxygen Sensor line is built to OE-proven standards for accuracy, durability, and consistent performance in demanding thermal and vibration environments.