Bosch 17341 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Bosch Actual OE Oxygen Sensor 17341

The Bosch Actual OE Oxygen Sensor 17341 is designed specifically for select Mercedes-Benz models, including the B250, CLA45 AMG, and SL63 AMG. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated oxygen sensor for faster response times
• Specific fit for Mercedes-Benz B250, CLA45 AMG, CLA250, CLS400, G550, GLA45 AMG, GLA250, SL63 AMG, SL400, SL550, and SLK350
• 19.2-inch wiring harness length with 18-gauge wire
• Blade terminal type with male connector and terminal gender
• Wide-band sensor type with 6 terminals and 5 wires
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish
• Includes wiring harness for direct replacement

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable and precise sensor performance. This product line focuses on delivering standard replacement sensors that maintain factory-level emissions control and engine efficiency. The 17341 sensor is part of this line, ensuring compatibility and quality for Mercedes-Benz vehicles requiring a specific fit oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, allowing the engine control unit to receive accurate oxygen level data quickly. The wide-band sensor type offers a broader measurement range, improving fuel mixture adjustments and emissions monitoring. With a 19.2-inch wiring harness and 18-gauge wires, the sensor provides a secure and reliable electrical connection. The blade terminal and oblong male connector ensure proper fitment and ease of installation. The sensor’s metal housing and steel finish contribute to durability under harsh engine conditions. Threaded mounting with an 18 mm diameter and 22 mm hex size allows for straightforward replacement using standard tools.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Mercedes-Benz B250 and CLA45 AMG models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency and reduces emissions in SL63 AMG and GLA250 vehicles
• Eliminates rough idling and engine hesitation caused by faulty sensors
• Supports proper catalytic converter function by providing precise oxygen data

Installation Notes and Tips

• Ensure vehicle compatibility with the Bosch part number 17341 before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten the sensor; follow manufacturer torque specifications
• Inspect wiring harness and connectors for damage before installation
• Allow the engine to cool before replacing the sensor to avoid burns

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 17341 is a standard replacement part designed to match original equipment specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.