4254215C91 | Genuine International® / Navistar® 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit

SKU: 4254215C91 MPN: 4254215C91

For dependable operation, pick the New 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit, from Genuine International/Navistar, with Part Number: 4254215C91, built to keep your commercial truck systems running smoothly.

$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: 4254215C91

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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 4254215C91 Part Number 4254215C91
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:

Genuine International/Navistar present the new 15 Gallon DEF Tank QLS 1% SSI Sensor Head Unit, Part number: 4254215C91, which tracks DEF fluid levels in commercial trucks. Compatible with International 4300 vehicles using Cummins 6.7L ISB/QSB or 3.8L ISF/QSF engines, it helps maintain consistent fluid dosing and supports the proper function of emissions systems in heavy-duty applications.

Why Replacement is Important:

A defective DEF Sensor Head Unit can lead to incorrect readings or alerts. Installing a new unit ensures stable DEF levels and avoids emissions control issues.

Impact on Vehicle Performance:

Reliable DEF monitoring allows the engine and exhaust system to work without interruptions, reducing the risk of derates and ensuring smooth truck operation.

Manufacturer Information:

International® is a leading manufacturer of medium- and heavy-duty trucks known for durability and dependability. 

Navistar® provides engines and components designed for long-term reliability in commercial vehicle fleets worldwide.

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: 4254215C91