HomeEmission Control > SensorsBosch 13520 Oxygen Sensor - Downstream
Part #: 13520

Bosch 13520 Oxygen Sensor - Downstream

Bosch Engineered Oxygen Sensor, Downstream
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Engineered Oxygen Sensor, Downstream
🚗Fitment: Toyota, RAV4
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Reliable Oxygen Sensor for Toyota RAV4 Emission Control

The Bosch Engineered Oxygen Sensor 13520 is designed specifically for Toyota RAV4 models, providing accurate air-fuel mixture readings to optimize engine performance and reduce emissions. This narrow-band heated oxygen sensor ensures precise monitoring and efficient operation of your vehicle's emission system.

  • Specific fit for Toyota RAV4 models
  • Heated narrow-band oxygen sensor for faster response
  • 22.8-inch wiring harness length with 4 wires and blade terminals
  • Durable metal housing with flange mounting type
  • Standard replacement grade with 18 mm thread diameter and 22 mm hex size
  • Includes wiring harness with male rectangular connector
  • Overall length of 26.2 inches for proper installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components tailored to specific vehicle applications. This product line emphasizes compatibility and reliability, ensuring that sensors like the Bosch 13520 meet OEM specifications for Toyota RAV4 models. The sensors are designed to provide accurate feedback to the engine control unit, supporting optimal combustion and emission reduction.

Product Details and Specifications

The Bosch 13520 oxygen sensor features a narrow-band heated sensor type, which allows for quicker sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust gases. The sensor includes a 22.8-inch wiring harness with four wires and blade terminals, connected via a male rectangular connector. Its metal housing and flange mounting type provide durability and secure installation. The sensor thread size is 18 mm, compatible with Toyota RAV4 exhaust ports, and the hex size is 22 mm for easy tightening during installation. The overall length of 26.2 inches ensures proper fitment and connection within the vehicle's emission system.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for Toyota RAV4 engines
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing precise exhaust gas data
  • Reduces harmful emissions by supporting proper catalytic converter function
  • Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 13520 on your Toyota RAV4, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor thread size (18 mm) matches the exhaust port. The flange mounting type requires proper alignment for a secure fit. Connect the wiring harness carefully, matching the male rectangular connector to the vehicle’s female counterpart. Avoid twisting or stretching the wiring harness to prevent damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This standard replacement grade sensor is engineered to meet OEM specifications for Toyota RAV4 models. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or your parts provider for exact warranty terms.

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000ToyotaRAV42.0LL4DownstreamBosch Engineered Oxygen Sensor
1999ToyotaRAV42.0LL4DownstreamBosch Engineered Oxygen Sensor
1998ToyotaRAV42.0LL4DownstreamBosch 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.