4352100C91 | Genuine International® DEF Tank Level Sensor 15.5G/16G/23G QLS SSI

SKU: 4352100C91 MPN: 4352100C91

Track DEF fluid levels with precision using Genuine International / Navistar DEF Tank Level Sensor. Part number: 4352100C91. Condition: new. Compatible with 15.5G, 16G, and 23G DEF tanks for accurate monitoring.

$879.00
No Core Charge
3 in stock

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Product Description

Product Name DEF Tank Level Sensor Product Name DEF Tank Level Sensor
Condition New Condition New
Brand International® / Navistar® Brand International® / Navistar®
Part Number 4352100C91 Part Number 4352100C91
Interchange Part Numbers 2523591C91, 4140918C91, 2510966C1, 2510966C3 Interchange Part Numbers 2523591C91, 4140918C91, 2510966C1, 2510966C3
Interchange Part Numbers 4097728C91, 4254210C91, 2517604C1, 4086046C91, 2515987C1 Interchange Part Numbers 4097728C91, 4254210C91, 2517604C1, 4086046C91, 2515987C1
Specifications
Sensor Type Digital (canbus) Sensor Type Digital (canbus)
In-Tank Filter 40µ In-Tank Filter 40µ
Tank Interface 6 Bolt Tank Interface 6 Bolt
Electrical Connector Deutsch DT4 (STD) Electrical Connector Deutsch DT4 (STD)
Compatibility 15.5G, 16G, 23G DEF Tanks Compatibility 15.5G, 16G, 23G DEF Tanks
Functions Ensures accurate DEF level sensing (QLS) with serial data communication (SSI) Functions Ensures accurate DEF level sensing (QLS) with serial data communication (SSI)
Dimensions
DEF Header Height 25 in DEF Header Height 25 in
DEF Suction Fitting Dia (IN) 3/8 SAE J2044 DEF Suction Fitting Dia (IN) 3/8 SAE J2044
DEF Return Fitting Dia (IN) 5/16 SAE J2044 DEF Return Fitting Dia (IN) 5/16 SAE J2044
Coolant Inlet Fitting Dia (IN) 5/8 Hose Bead Coolant Inlet Fitting Dia (IN) 5/8 Hose Bead
Coolant Outlet Fitting Dia (IN) 5/8 Hose Bead Coolant Outlet Fitting Dia (IN) 5/8 Hose Bead

Useful Information

Description and Purpose:

The Genuine DEF Tank Level Sensor from International / Navistar is built for compatibility with 15.5, 16, and 23-gallon tanks. Identified by Part number: 4352100C91, this component arrives in new condition and is engineered for accurate Diesel Exhaust Fluid monitoring through QLS and SSI technology. It is specifically designed to maintain proper SCR aftertreatment operation, delivering precise fluid measurements under demanding operating conditions while ensuring emissions compliance in heavy-duty applications.

Why Replacement is Important:

When a DEF sensor begins to fail, it can generate incorrect readings and cause system warnings or even performance restrictions. Timely replacement keeps emissions systems functioning properly and helps avoid costly breakdowns.

Impact on Vehicle Performance:

Reliable DEF level detection ensures consistent SCR efficiency, prevents engine derates, and supports smooth vehicle operation within strict environmental standards.

Manufacturer Information:

International® is a leading manufacturer of commercial trucks engineered for durability, uptime, and performance across long-haul, regional, and vocational operations.

Navistar® develops advanced trucks and engines focused on reliability, efficiency, and long-term fleet productivity.

Tags & Category: DEF Sensor, DEF Level Sensor, DEF Tank Sensor, DEF System Parts, SCR System Components, Diesel Exhaust Fluid Sensor, QLS Sensor, SSI Sensor, Diesel Emissions Parts, Aftertreatment System, Emissions Control, Truck DEF Sensor, Universal DEF 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.

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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: 4352100C91