4353004C91 | Genuine International® / Navistar® 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit

SKU: 4353004C91 MPN: 4353004C91

Equip your truck with the Genuine 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit, Brand: International/Navistar, Part Number: 4353004C91, Condition: new, designed for reliable performance on heavy-duty commercial trucks.

$499.00
No Core Charge
2 in stock

Need it fast? We offer overnight shipping

Contact us to check if overnight next-day delivery is available for your order - PN: 4353004C91

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Product Description

Product Name DEF Tank Sensor Head Unit Product Name DEF Tank Sensor Head Unit
Condition New Condition New
Brand International® / Navistar® Brand International® / Navistar®
Part Number 4353004C91 Part Number 4353004C91
Type Level Sensor Type Level Sensor
Tank Capacity Compatibility 15 Gallon Tank Capacity Compatibility 15 Gallon
Sensor Precision Rating QLS 1% SSI Sensor Precision Rating QLS 1% SSI
Vehicle Compatibility
International Miscellaneous 4300 International Miscellaneous 4300
Engine Compatibility
Cummins 6.7 liter ISB/QSB Cummins 6.7 liter ISB/QSB
Cummins 3.8 liter ISF/QSF Cummins 3.8 liter ISF/QSF

Useful Information

Description and Purpose:

The Genuine International/Navistar 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit in new condition, Part number: 4353004C91, is designed for accurate DEF level reading in heavy-duty commercial trucks. Built for International 4300 models with Cummins 6.7L ISB/QSB and 3.8L ISF/QSF engines, it supports stable DEF management and reliable system operation.

Why Replacement is Important:

Timely replacement prevents false DEF readings, avoids dashboard alerts, and keeps the emissions system functioning steadily without unexpected interruptions.

Impact on Vehicle Performance:

Accurate DEF level data helps the engine and exhaust systems maintain consistent operation, reducing the risk of derate conditions that can slow or stop the vehicle.

Manufacturer Information:

International® produces dependable commercial trucks widely used in demanding fleet operations. 

Navistar® is known for engineering durable engines and system components that support long-term reliability across commercial vehicle platforms.

Tags & Category: 15 Gallon DEF Tank Head Unit, DEF Tank Sensor Head, QLS 1% Sensor Head, SSI Sensor Head Unit, DEF Tank Sensor Module, Diesel Exhaust Fluid Tank Head, DEF Sensor Assembly

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The -warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 4353004C91