4352100C91 | Genuine OEM International DEF Tank Level Sensor QLS SSI

The 4352100C91 Genuine OEM International DEF Tank Level Sensor is designed for compatible diesel exhaust fluid (DEF) tank systems. This QLS SSI sensor monitors DEF tank conditions and provides information to the vehicle control system for proper DEF and SCR emissions system operation.

PRODUCT INFORMATION

• Part Number: 4352100C91
• Brand: International
• Condition: New
• Component: DEF Tank Level Sensor
• Sensor Type: QLS SSI Sensor
• Fuel Type: Diesel
• DEF Tank Applications: 15.5, 16, and 23 Gallon
• System: DEF / SCR Emissions System
• Application: Compatible International heavy-duty truck applications

APPLICATIONS

Designed for selected International truck applications using compatible 15.5, 16, and 23 gallon DEF tank systems with QLS SSI sensor configurations. Exact fitment varies by vehicle model and DEF system configuration.

FUNCTION

The DEF tank level sensor monitors the DEF level and related tank conditions and provides sensor information to the vehicle control system for proper emissions system operation.

A worn, damaged, or failing DEF Tank Level Sensor may cause symptoms such as:

• Incorrect DEF level readings
• DEF warning messages
• DEF or SCR system fault codes
• Incorrect or inconsistent sensor readings
• Check engine or emissions warnings
• Aftertreatment system faults

WHY REPLACE A DEF TANK LEVEL SENSOR?

A properly functioning DEF sensor is important for accurate monitoring of the DEF tank and reliable SCR emissions system operation. Replacing a faulty sensor can help restore accurate DEF level information and proper system operation.

FITMENT INFORMATION

Please verify the part number, DEF tank capacity, vehicle model, QLS/SSI configuration, and OE specifications before ordering. Exact fitment varies by application.

If you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.

GENUINE INTERNATIONAL PART

Part Number: 4352100C91