OE Quality
60-Day Returns

Bosch 13422 Oxygen Sensor - Upstream
Reliable Oxygen Sensor for Lexus and Toyota Vehicles
The Bosch Engineered Oxygen Sensor 13422 is designed specifically for select Lexus and Toyota models, including the Celica, Land Cruiser, LX450, and MR2. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance.
- Specific fit for Lexus and Toyota Celica, Land Cruiser, LX450, and MR2
- Heated narrow-band oxygen sensor for precise air-fuel mixture readings
- 10.1-inch wiring harness length with 4-wire blade terminals
- Durable metal housing with flange mounting type and 22 mm hex size
- Includes wiring harness and male rectangular connector with 4 terminals
About the Bosch Engineered Oxygen Sensor Line
The Bosch Engineered Oxygen Sensor product line focuses on delivering reliable emission control components tailored to specific vehicle applications. This line emphasizes precise sensor technology, such as heated narrow-band sensors, to maintain proper engine function and comply with emission standards. The 13422 oxygen sensor is part of this line, offering a standard replacement solution with quality materials and exact fitment for Lexus and Toyota models.
Product Details and Specifications
This Bosch oxygen sensor features a 10.1-inch wiring harness and a total length of 13.8 inches, measured from the sealing surface to the end of the connector at 12.6 inches. It uses a flange mounting type and has a thread diameter of 18 mm with a 22 mm hex size for installation. The sensor is heated and narrow-band, providing accurate oxygen level readings to the engine control unit. The connector is male with a rectangular shape and includes 4 blade terminals, matching the specific wiring requirements of the compatible vehicles. The sensor housing is made of metal with a steel finish, weighing approximately 0.24 pounds.
Common Applications and Issues Addressed
- Restores proper air-fuel ratio monitoring in Lexus Celica and Toyota Land Cruiser engines
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency and reduces harmful emissions in LX450 and MR2 models
- Eliminates rough idling and engine performance issues caused by faulty sensors
- Ensures compliance with emission control standards for specific Toyota and Lexus vehicles
Installation Notes and Tips
When installing the Bosch Engineered Oxygen Sensor 13422, ensure the vehicle is cooled down to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s original sensor to avoid fitment issues. The flange mounting type requires proper torque to prevent exhaust leaks. No mounting bracket is included, so use the existing mounting point on the vehicle.
Quality Assurance and Warranty
Bosch Engineered Oxygen Sensors are manufactured to meet OEM specifications, ensuring reliable performance and durability. This part is a standard replacement sensor designed to maintain emission control system integrity. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or the vehicle manufacturer for exact warranty terms.
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Lexus | LX450 | 4.5L | L6 | Upstream | Bosch Engineered Oxygen Sensor |
| 1997 | Toyota | Land Cruiser | 4.5L | L6 | Upstream | Bosch Engineered Oxygen Sensor |
| 1996 | Lexus | LX450 | 4.5L | L6 | Upstream | Bosch Engineered Oxygen Sensor |
| 1996 | Toyota | Land Cruiser | 4.5L | L6 | Upstream | Bosch Engineered Oxygen Sensor |
| 1995 | Toyota | Land Cruiser | 4.5L | L6 | Upstream | From 01/1995; Bosch Engineered Oxygen Sensor |
| 1995 | Toyota | MR2 | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1994 | Toyota | MR2 | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1993 | Toyota | Celica | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1993 | Toyota | MR2 | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1992 | Toyota | Celica | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1992 | Toyota | MR2 | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1991 | Toyota | Celica | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1991 | Toyota | MR2 | 2.0L | L4 | Upstream | Bosch Engineered Oxygen Sensor |
| 1990 | Toyota | Celica | 2.0L | L4 | Upstream | 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.