Bosch 15701 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Chevrolet, Honda, and More

The Bosch Engineered Oxygen Sensor 15701 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Compatible with specific models from Chevrolet, Geo, GMC, Honda, Isuzu, Pontiac, and Suzuki, this sensor ensures precise fitment and reliable operation.

• Specific fit for Chevrolet Amigo, Caprice, El Camino, Impala, Monte Carlo, Parisienne
• Compatible with Honda Passport, Isuzu Rodeo, Suzuki Sidekick, Tracker, and more
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 12.4-inch wiring harness with 3 wires and male blade terminals
• Durable metal housing finished in steel for long-lasting use
• Connector features a square shape with 4 male terminals
• Overall length of 16.1 inches with 15-inch sealing surface to connector length

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise sensor technology tailored to specific vehicle applications. The 15701 part number is a standard replacement narrow-band heated oxygen sensor designed to meet OEM specifications. This product line emphasizes compatibility and durability, ensuring that vehicles like the Chevrolet Impala or Suzuki Sidekick maintain optimal emissions control and engine efficiency.

Product Details and Specifications

This oxygen sensor features a heated narrow-band design, which allows it to reach operating temperature quickly for accurate air-fuel ratio monitoring. The sensor’s metal housing and threaded mounting type provide secure installation and resistance to harsh engine conditions. With a wiring harness length of 12.4 inches and a total length of 16.1 inches, the sensor fits precisely in the designated locations on compatible vehicles. The connector’s square shape and male blade terminals ensure a reliable electrical connection, supporting stable sensor performance.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Chevrolet Caprice and Monte Carlo
• Helps resolve rough idling and poor fuel economy in Honda Passport and Isuzu Rodeo
• Reduces emissions-related check engine light triggers on Suzuki Tracker and Sidekick
• Improves engine performance and throttle response in Pontiac Storm and Geo Storm
• Prevents sensor-related drivability problems in Chevrolet El Camino and Pickup

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 15701 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot engine components to prevent damage. The sensor’s heated design means it will reach operating temperature quickly after installation, so verify electrical connections before completing the job.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15701 is manufactured to meet strict quality standards for durability and performance. It includes a heated element for faster sensor response and is constructed with a robust metal housing. While specific warranty details vary by distributor, Bosch products typically come with a limited warranty covering defects in materials and workmanship.