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Bosch 13051 Oxygen Sensor - Downstream or Upstream
Reliable Oxygen Sensor for Chevrolet and Toyota Vehicles
The Bosch Engineered Oxygen Sensor 13051 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for Chevrolet 4Runner, Toyota Corolla, and Prizm models, this oxygen sensor ensures precise fitment and reliable operation.
- Wiring harness length: 12.4 inches for flexible installation
- Blade terminal type with 4 terminals for secure electrical connection
- Specific fit for Chevrolet 4Runner, Toyota Corolla, and Prizm
- Standard replacement grade for dependable performance
- Rectangle-shaped male connector with 4 male terminals
- Heated narrow-band oxygen sensor for faster response times
- Flange mounting type with 22 mm hex size for easy installation
- Durable metal housing with steel finish
- Overall length of 15.7 inches and thread diameter of 18 mm
- Includes wiring harness for direct replacement
About the Bosch Engineered Oxygen Sensor Line
The Bosch Engineered Oxygen Sensor line focuses on delivering precise sensor technology tailored to specific vehicle applications. This product line emphasizes compatibility and quality, ensuring that each sensor meets OEM specifications for emission control systems. The 13051 oxygen sensor is part of this line, offering a narrow-band heated sensor designed to maintain optimal engine efficiency and emission standards for Chevrolet and Toyota vehicles.
Detailed Product Description
This Bosch oxygen sensor 13051 features a narrow-band heated sensor type that provides accurate oxygen level readings to the engine control unit. The heating element allows the sensor to reach operating temperature quickly, improving fuel management and reducing emissions. The sensor’s flange mounting type and 22 mm hex size facilitate straightforward installation. With a durable metal housing and steel finish, this sensor withstands harsh engine conditions. The included wiring harness with a 12.4-inch length and a rectangular male connector with four blade terminals ensures a secure and reliable electrical connection. Designed specifically for Chevrolet 4Runner, Toyota Corolla, and Prizm models, this sensor offers a precise fit and function.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved fuel efficiency
- Helps resolve engine misfires related to faulty oxygen sensors
- Reduces emissions by maintaining proper combustion control
- Eliminates check engine light triggers caused by sensor failure
- Supports smooth engine idling and acceleration performance
Installation Notes and Tips
- Ensure vehicle compatibility with Chevrolet 4Runner, Toyota Corolla, or Prizm before installation
- Use a 22 mm oxygen sensor socket for removal and installation
- Do not overtighten the sensor; follow manufacturer torque specifications
- Inspect wiring harness and connector for damage before installation
- Allow the engine to cool before replacing the sensor to avoid burns
Quality Assurance and Warranty
The Bosch Engineered Oxygen Sensor 13051 is manufactured to meet OEM standards for durability and performance. It includes a heated sensor element for reliable operation under various conditions. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or your parts supplier for exact warranty terms.
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Prizm | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 2002 | Toyota | Corolla | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 2001 | Chevrolet | Prizm | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 2001 | Toyota | Corolla | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 2000 | Chevrolet | Prizm | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 2000 | Toyota | Corolla | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1999 | Chevrolet | Prizm | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1999 | Toyota | Corolla | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1998 | Chevrolet | Prizm | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1998 | Toyota | Corolla | 1.8L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1995 | Toyota | 4Runner | 3.0L | V6 | Downstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 1994 | Toyota | 4Runner | 3.0L | V6 | Downstream | Bosch Engineered Oxygen Sensor |
| 1993 | Toyota | 4Runner | 3.0L | V6 | Downstream | with California Emission System; 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.