NTK 24317 Air / Fuel Ratio Sensor - Upstream, Upstream Left or Upstream Right

Overview of NTK Direct Fit 5-Wire A/F Sensor 24317

The NTK Direct Fit 5-Wire A/F Sensor 24317 is designed for precise air/fuel ratio monitoring in select Audi, BMW, and Porsche vehicles. This heated sensor ensures accurate emissions control and optimal engine performance for models like the Audi TT Quattro, BMW 325i, and Porsche Cayenne.

• Heated sensor type for faster response times
• Specific fit for Audi, BMW, and Porsche models
• 5-wire configuration for reliable signal transmission
• 57.0-inch wiring harness length for flexible installation
• Thread diameter of 18.000 mm and thread length of 0.38 inches
• No mounting bracket included

Detailed Product Description

This NTK air/fuel ratio sensor, part number 24317, belongs to the Direct Fit 5-Wire A/F Sensor product line, which focuses on providing exact replacement sensors engineered for direct compatibility with specific vehicle makes and models. The 5-wire heated sensor design allows for quicker warm-up and more accurate readings compared to unheated sensors, improving fuel efficiency and emissions control.

The sensor’s 57.0-inch wiring harness length offers ample reach for installation in engine compartments of vehicles such as the BMW 325Ci, 545i, and 645Ci, as well as the Audi TT Quattro and Porsche Cayenne. Its thread diameter of 18.000 mm and thread length of 0.38 inches ensure a secure and proper fit in the designated mounting location. Note that this sensor does not include a mounting bracket, so the existing bracket on the vehicle should be used.

Common Applications and Issues Addressed

• Restores accurate air/fuel ratio readings for improved engine management
• Helps resolve check engine light codes related to oxygen sensor faults
• Reduces emissions by ensuring proper fuel mixture
• Improves fuel economy by providing precise sensor data
• Prevents drivability issues caused by faulty air/fuel sensors

Installation Notes and Tips

• Compatible with specific Audi, BMW, and Porsche models; verify fitment before installation
• Use proper tools to avoid damaging the sensor threads (18.000 mm diameter)
• Ensure wiring harness is routed away from heat sources and moving parts
• Do not reuse old mounting brackets if damaged; sensor does not include a bracket
• Follow vehicle manufacturer torque specifications when installing

Quality Assurance and Warranty

NTK sensors are manufactured to meet OEM standards for durability and performance. The Direct Fit 5-Wire A/F Sensor 24317 undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the distributor or vehicle manufacturer, as they may vary by region.