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Navistar International 4097721C91 DEF Tank QLS Sensor Head Assembly - Image 1
Navistar International 4097721C91 DEF Tank QLS Sensor Head Assembly - Image 2
Navistar International 4097721C91 DEF Tank QLS Sensor Head Assembly - Image 3
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Navistar International 4097721C91 DEF Tank QLS Sensor Head Assembly


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Tank Capacity5 Gallon
Header Length11 in (297 mm)
Mounting Pattern6-Bolt Flange
Communication ProtocolCANbus (J1939)
Sensor TechnologyUltrasonic QLS (Quality Level Sensor)
Heated HeaderYes
In-Tank Filter Rating40 Micron
Unit Weight4.5 kg
Package Dimensions50.8 x 35.6 x 25.4 cm
Manufacturer No.
4097721C91SSI TEC 32054.3
OEM Part No.
4097721C912518087C12518086C12515990C34353000C914353000C924087159C915012176R91
Engine Part No.
Cummins ISB 6.7L Tier 4Cummins QSB 6.7L Tier 4Navistar N9Navistar N10Navistar A26
Interchange No.
701522ATGA902872ASP9082321297602062
Fitment Vehicles
International N9 (2016-2020)International N10 (2016-2020)International WorkStarInternational DuraStarInternational HV Series

Exhaust And Exhaust Systems - Industrial Encyclopedia

Genuine Navistar International 5-gallon DEF tank QLS sensor head assembly with 11-inch heated header, 6-bolt flange, CANbus communication, and integrated 40-micron filter for SCR aftertreatment systems.