Bosch 15702 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Cadillac and Oldsmobile Vehicles

The Bosch Engineered Oxygen Sensor 15702 is designed specifically for select Cadillac and Oldsmobile models, including the Allante, Aurora, DeVille, Eldorado, and Seville. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Cadillac and Oldsmobile models
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 9.5-inch wiring harness with a 4-wire blade terminal connector
• Durable metal housing finished in steel for long-lasting use

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components tailored to exact vehicle specifications. The 15702 oxygen sensor is a standard replacement part engineered to meet OEM standards, providing consistent performance and compatibility with specific Cadillac and Oldsmobile models. This product line emphasizes precision fitment and durability to support emission system efficiency.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated sensor type, which helps maintain accurate air-fuel ratio readings essential for emission control systems. The sensor includes a 9.5-inch wiring harness with a square-shaped male connector and four blade terminals, ensuring secure electrical connections. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. The sensor's metal housing finished in steel offers resistance to heat and corrosion, supporting long-term reliability. Overall length measures 13.2 inches, with a 12-inch length from sealing surface to connector end.

Common Applications and Issues Addressed

• Restores proper oxygen sensor function in Cadillac Allante, Aurora, DeVille, Eldorado, and Seville models
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate data to the engine control unit
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel efficiency by ensuring optimal combustion

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 15702, ensure the vehicle is cool 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 ensure proper fitment. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15702 is manufactured to meet OEM quality standards, ensuring reliable performance and durability. This standard replacement sensor undergoes rigorous testing to comply with emission control requirements. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.