4097725C91 | Genuine International® / Navistar® 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit

SKU: 4097725C91 MPN: 4097725C91

Ensure smooth operation with the 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit, available in condition new, from Genuine International/Navistar, and listed as Part Number: 4097725C91, perfect for 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: 4097725C91

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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 4097725C91 Part Number 4097725C91
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 new 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit, Part number: 4097725C91, by Genuine International/Navistar, monitors diesel exhaust fluid levels to maintain proper emissions system function. Designed for International 4300 trucks with Cummins 6.7L or 3.8L engines, it ensures stable DEF operation and helps commercial vehicles meet regulatory standards.

Why Replacement is Important:

Replacing a worn DEF Sensor prevents inaccurate readings and system alerts, keeping DEF dosing consistent and emission controls reliable.

Impact on Vehicle Performance:

Accurate DEF monitoring supports smooth engine and exhaust operation, preventing derate conditions and ensuring dependable truck use.

Manufacturer Information:

International® produces durable commercial trucks trusted in heavy-duty fleet operations. 

Navistar® develops engines and components known for reliability and long service life across commercial vehicles.

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: 4097725C91