Bosch 13281 Oxygen Sensor - Upstream

Overview of Bosch Engineered Oxygen Sensor 13281

The Bosch Engineered Oxygen Sensor 13281 is designed specifically for Toyota 4Runner and Pickup models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Toyota 4Runner and Pickup
• Heated narrow-band oxygen sensor type
• 29.2-inch wiring harness length with connector included
• Blade terminal type with 4 terminals and wires
• Steel housing with flange mounting type
• 22 mm hex size and 18 mm thread diameter
• Male connector and terminal gender with square connector shape
• Standard replacement grade for reliable performance

Detailed Product Features and Specifications

This Bosch Engineered Oxygen Sensor 13281 features a 29.2-inch wiring harness and a total length of 32.9 inches, providing ample reach for installation in compatible Toyota vehicles. The sensor uses a flange mounting type and is constructed with a durable steel housing to withstand high temperatures and harsh conditions. It includes a heated element to ensure faster sensor response and improved fuel efficiency. The sensor’s narrow-band design is optimized for precise air-fuel ratio monitoring, which is critical for emission control systems.

The sensor’s connector is male with a square shape, featuring 4 blade terminals and wires, ensuring a secure and reliable electrical connection. The 22 mm hex size and 18 mm thread diameter allow for straightforward installation using standard tools. This part is a specific fit for Toyota 4Runner and Pickup models, ensuring compatibility and proper function.

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components engineered to meet or exceed OEM specifications. This product line emphasizes durability, accurate sensor readings, and compatibility with specific vehicle models. The 13281 oxygen sensor is part of this line, designed to provide reliable performance and maintain emission standards for Toyota 4Runner and Pickup vehicles.

Common Applications and Issues Addressed

• Replacement for faulty or worn oxygen sensors in Toyota 4Runner and Pickup
• Resolves engine performance issues related to incorrect air-fuel mixture
• Helps reduce emissions and prevent failed emissions tests
• 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 Toyota 4Runner or Pickup before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Handle the sensor carefully to avoid damaging the wiring harness or connector
• Do not overtighten; follow manufacturer torque specifications for flange mounting
• Verify electrical connections are secure and free of corrosion

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13281 is manufactured to meet strict quality standards, ensuring reliable operation and durability. It is a standard replacement grade sensor designed to maintain emission control system integrity. 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 service provider for exact warranty terms.