4254213C91 | Genuine International® 9.5 Gallon Def Tank Qls Sensor Head

Description and Purpose:

The 9.5 Gallon DEF Tank QLS Sensor Head with Part Number: 4254213C91 is an OEM sensor from International designed to accurately monitor diesel exhaust fluid levels in heavy-duty commercial trucks. This essential component fits Severe Service and Linehaul models, ensuring the emission system functions properly to maintain environmental compliance and efficient truck operation. Condition: New, this sensor guarantees dependable performance and durability in challenging work conditions.

Why Replacement is Important:

Replacing a worn or faulty DEF sensor is critical because incorrect fluid level readings can trigger engine power reductions or emission warnings. Proper sensor function helps avoid costly repairs and unplanned vehicle downtime.

Impact on Vehicle Performance:

This sensor’s accurate monitoring supports the Selective Catalytic Reduction system, improving engine efficiency and helping trucks meet emission standards. Reliable operation ensures consistent vehicle performance in commercial use.

Manufacturer Information:

International® integrates the latest emissions technologies without compromising on power and performance to meet modern regulatory standards.

Navistar® designs commercial vehicles with durable components and service-friendly layouts to minimize downtime and maximize productivity.

Tags & Category: DEF Sensor Units, DEF Tank Components, Heavy-Duty Truck Part, Commercial Vehicle Emission Control, International DEF Sensor, Severe Service Truck Component, QLS Sensor.

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.