4353001C91 | Genuine International® / Navistar® DEF Header, 7 Gallon Tank, QLS 1% SSI

SKU: 4353001C91 MPN: 4353001C91

Ensure precise emissions control with the Genuine International DEF Header. Part number: 4353001C91. Condition: new. Accurately monitors DEF quality in 7-gallon tanks with QLS 1% SSI for heavy-duty trucks.

$799.00
No Core Charge
7 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: 4353001C91

  • Free shipping over $199 Order today — get it
  • Clock Icon
    Orders before 7 PM EST ship same business day
  • Location icon, warehouse pickup point.
    Pickup available. Usually ready in 24 hours

Product Description

Product Name Diesel Exhaust Fluid (DEF) Header Product Name Diesel Exhaust Fluid (DEF) Header
Condition New Condition New
Brand International® / Navistar® Brand International® / Navistar®
Part Number 4353001C91 Part Number 4353001C91
Specifications
Sensor Type QLS 1% SSI Sensor Type QLS 1% SSI
Tank Capacity 7 Gallon Tank Capacity 7 Gallon
Electrical Connector Deutsch DT4 (STD) Electrical Connector Deutsch DT4 (STD)
Sensor Type Digital (canbus) Sensor Type Digital (canbus)
DEF Header Height (IN) 18 DEF Header Height (IN) 18
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:

This is a Genuine International / Navistar DEF Header with Part number: 4353001C91 comes in new condition and ready to drop right into your truck’s DEF system. Designed for a 7-gallon DEF tank with QLS 1% SSI, it keeps a close eye on fluid levels, helping prevent any surprises during operation. Being a genuine part means it’s engineered to match factory standards exactly, so installation is hassle-free and you get reliable readings from the start. 

Why Replacement is Important:

A faulty DEF sensor can trigger warning lights, misreport fluid levels, or reduce SCR effectiveness. Replacing it with a genuine sensor restores accurate readings and ensures your emission system works as intended.

Impact on Vehicle Performance:

Accurate DEF monitoring keeps your engine running efficiently, maintains emissions compliance, and ensures your truck operates smoothly without unexpected interruptions.

Manufacturer Information:

International® builds commercial trucks designed for reliability, fuel efficiency, and long-term fleet performance.

Navistar® produces trucks and engines known for strength, efficiency, and dependable performance in commercial operations.

Tags & Category: Diesel Exhaust Fluid Sensor, DEF QLS Sensor, International, Navistar, QLS 1% SSI, DEF Tank Sensor, 7 Gallon DEF Tank, DEF Quality Level Sensor, SCR System Sensor, Emissions Control Component, Heavy Duty Truck 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.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
  • 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: 4353001C91