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4163695C91 Genuine International DEF Sensor 16/23G QLS SSI
4163695C91 Genuine International DEF Sensor 16/23G QLS SSI
4163695C91 Genuine International DEF Sensor 16/23G QLS SSI
4163695C91 Genuine International DEF Sensor 16/23G QLS SSI

4163695C91 Genuine International DEF Sensor 16/23G QLS SSI

P/N: 4163695C91 Manufactured by: International
$389.00 - $389.00
$389.00
$389.00 - $389.00
$389.00
1 in Stock
Condition: New
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At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 4163695C91 is a genuine International DEF sensor developed for 16/23G QLS SSI diesel exhaust fluid system applications. It measures operating conditions within the DEF system and transfers sensor data to the Selective Catalytic Reduction (SCR) control module to help maintain proper aftertreatment system performance and emissions compliance.

Product Features

The 4163695C91 DEF sensor is manufactured to International specifications for DEF system monitoring and SCR communication.

  • Measures operating parameters within the diesel exhaust fluid system.
  • Transfers sensor data to compatible SCR electronic control components.
  • Supports continuous monitoring of DEF system performance during operation.
  • Interfaces with factory electrical connectors and emissions system wiring.
  • Maintains dependable communication with vehicle control electronics.
  • Assists accurate aftertreatment management through real-time DEF sensing.

Technical Specifications

Condition New
Brand International
Part Number 4163695C91
Part Type DEF Sensor, 16/23G, QLS SSI


Installation Notes

The 4163695C91 should be installed after inspecting the sensor mounting location, connector terminals, and sealing surfaces for debris, moisture intrusion, or damaged locking features that could reduce sensor reliability. After installation, confirm secure electrical engagement, verify communication with the SCR controller, and check that the DEF system reports normal operating values using the appropriate diagnostic equipment.

Always verify the part number, SCR system configuration, DEF assembly, and connector style before installation.