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Part #: 15473

Bosch 15473 Oxygen Sensor - Upstream

Bosch Validated Oxygen Sensor, Upstream
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$331.34Free Shipping
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Validated Oxygen Sensor, Upstream
🚗Fitment: Acura and Honda, EL and Civic
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Bosch Validated Oxygen Sensor 15473

The Bosch Validated Oxygen Sensor 15473 is designed specifically for Acura and Honda vehicles, including the Civic and EL models. This wide-band oxygen sensor features a heated design and a 4-wire configuration to ensure accurate emissions control and optimal engine performance.

  • Heated oxygen sensor for faster response times
  • Specific fit for Acura and Honda Civic, EL models
  • 4-wire design with blade terminal type and female connectors
  • Threaded mounting type with 18 mm thread diameter
  • Includes a 19.4-inch wiring harness with rectangular female connector
  • Constructed with durable metal housing and steel finish
  • Wide-band sensor type for precise air-fuel ratio monitoring

Detailed Product Description

The Bosch Validated Oxygen Sensor 15473 is engineered as a standard replacement part to maintain proper emissions control in compatible Acura and Honda vehicles. Its heated element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing harmful emissions. The sensor’s 4-wire configuration includes a blade terminal type with female connectors, ensuring secure and reliable electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. The sensor’s metal housing and steel finish provide durability under harsh engine conditions. Additionally, the included 19.4-inch wiring harness with a rectangular female connector simplifies integration with the vehicle’s existing wiring system.

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering reliable and precise emissions sensors that meet OEM specifications. This line is designed to provide accurate air-fuel ratio readings, which are critical for engine management systems in Acura and Honda vehicles. The 15473 sensor is part of this line, ensuring compatibility and performance consistent with factory standards.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper fuel mixture control
  • 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 vehicle compatibility with Acura and Honda Civic or EL models before installation
  • Use a 22 mm oxygen sensor socket for removal and installation
  • Do not overtighten; torque to manufacturer specifications
  • Verify wiring harness connections are secure and free of damage
  • Allow the engine to cool before replacing the sensor to avoid burns

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 15473 is manufactured to meet strict quality standards, ensuring reliable performance and durability. Bosch provides a limited warranty on this sensor, covering defects in materials and workmanship under normal use. This warranty supports confidence in the sensor’s long-term functionality within Acura and Honda vehicles.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005AcuraEL1.7LL4UpstreamBosch Validated Oxygen Sensor
2005HondaCivic1.7LL4UpstreamBosch Validated Oxygen Sensor
2004AcuraEL1.7LL4UpstreamBosch Validated Oxygen Sensor
2004HondaCivic1.7LL4UpstreamBosch 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.