Bosch 13441 Oxygen Sensor

Overview of Bosch Engineered Oxygen Sensor 13441

The Bosch Engineered Oxygen Sensor part number 13441 is designed specifically for select Toyota and Lexus models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Toyota and Lexus vehicles including 4Runner, FJ Cruiser, GS400, GS430, GX460, GX470, Land Cruiser, LS400, LS430, LS600h, LX470, LX570, SC400, SC430, Sequoia, and Tundra
• Heated narrow-band oxygen sensor with threaded mounting type for secure installation
• 4-wire configuration with blade terminal type and male connector for reliable electrical connection
• Wiring harness length of 8.5 inches and overall length of 11.8 inches for proper fitment
• Durable metal housing finished in steel with 22 mm hex size and 18 mm thread diameter

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on precision and durability in emission control components. This product line is engineered to meet or exceed OEM specifications, providing a direct replacement solution for specific vehicle applications. The 13441 oxygen sensor is part of this line, offering a standard replacement grade with a heated narrow-band sensor type to maintain accurate air-fuel ratio readings and support emission compliance.

Detailed Product Description

The Bosch Engineered Oxygen Sensor 13441 is a narrow-band heated sensor designed for specific Toyota and Lexus models. It features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for easy installation and removal. The sensor includes a 4-wire harness with blade terminals and a male rectangular connector, ensuring a secure and reliable electrical connection. The wiring harness length of 8.5 inches and overall length of 11.8 inches provide proper reach and fitment within the vehicle’s exhaust system. Constructed with a metal housing finished in steel, this sensor is built to withstand harsh operating conditions while delivering consistent performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve check engine light codes related to oxygen sensor failure
• Reduces emissions by providing precise air-fuel mixture data to the engine control unit
• Improves engine performance and drivability by maintaining proper combustion
• Prevents potential catalytic converter damage caused by faulty sensor readings

Installation Notes and Tips

• Ensure vehicle compatibility with the listed Toyota and Lexus models before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; torque to manufacturer specifications to avoid damage
• Inspect wiring harness and connector for damage before installation
• Replace sensor when engine performance issues or emission codes indicate failure

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13441 is manufactured to meet OEM standards for fit, form, and function. It is constructed with high-quality materials including a metal housing and heated sensor element to ensure durability and reliable operation. 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 the vehicle manufacturer for exact warranty terms.