2515990C2 | Genuine International® / Navistar® Diesel Exhaust Fluid (DEF) Tank QLS Head 11" 5 Gall

SKU: 2515990C2 MPN: 2515990C2

Precision matters before exhaust treatment — the Genuine International / Navistar QLS DEF Head ensures accurate level detection. Condition: new. Part number: 2515990C2. Perfect for 40-micron protected suction systems.

$379.00
No Core Charge
8 in stock, ready to ship

Pickup available at Warehouse - Howard st 7092 ste F

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: 2515990C2

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Product Description

Product Name Diesel Exhaust Fluid (DEF) Tank Head Product Name Diesel Exhaust Fluid (DEF) Tank Head
Condition New Condition New
Brand International® / Navistar® Brand International® / Navistar®
Part Number 2515990C2 Part Number 2515990C2
Specifications
Sensor Type QLS Sensor Type QLS
Electrical Connector Deutsch DT4 (STD) Electrical Connector Deutsch DT4 (STD)
Sensor Type Digital (canbus) Sensor Type Digital (canbus)
DEF Header Height (IN) 11 DEF Header Height (IN) 11
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
In-Tank Filter 40µ In-Tank Filter 40µ
Tank Interface 6 Bolt Tank Interface 6 Bolt

Useful Information

Description and Purpose:

Genuine International / Navistar engineering delivers this new DEF Tank QLS Head, Part number: 2515990C2, built to manage heated DEF flow, filtration, and digital quality measurements in compact 5-gallon header tanks. With a Deutsch DT4 connector and CANBUS sensor interface, it provides real-time fluid monitoring while the 40µ filter prevents particulate contamination. The 11-inch header integrates 3/8 suction, 5/16 return ports (SAE J2044), and 5/8 hose bead coolant ports for consistent freeze protection.

Why Replacement is Important:

Contamination, cracked internal heaters, or failed sensors inside the module can disrupt DEF delivery and trigger emission fault sequences. Replacing the unit restores dependable heating and clean suction.

Impact on Vehicle Performance:

Stable DEF temperature, filtration, and sensor accuracy support proper SCR dosing, minimizing derate events and maintaining smooth vehicle operation under emission control regulations.

Manufacturer Information: 

International® delivers quality components that withstand harsh conditions and continuous heavy-duty workloads.

Navistar® focuses on innovative engineering to create strong, dependable components for commercial trucking.

Tags & Category: DEF Tank Head, DEF QLS Head, Diesel Exhaust Fluid Tank Module, DEF Sensor Head, DEF Level Sensor, DEF Quality Sensor, DEF Suction Module, Coolant-Heated DEF Header, International DEF System, Navistar Emissions Component, Deutsch DT4 Connector, Digital CANBUS Sensor, 5 Gallon DEF Tank, 11 Inch DEF Header, 3/8 SAE J2044 Suction, 5/16 SAE J2044 Return, 5/8 Hose Bead Coolant Ports, 40 Micron DEF Filter, 6 Bolt Tank Interface, (DEF) SCR System

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: 2515990C2