Skip to content
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.

1DFQ-70300 Genuine Hyundai DEF Header Sensor

P/N: 1DFQ-70300 Manufactured by: Hyundai
Original price $749.00 - Original price $749.00
Original price
$749.00
$749.00 - $749.00
Current price $749.00
2 in Stock
Condition: New
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Not Sure Which Part Fits?
Our support team is here to help.
+1 (828) 209-8010
Monday – Saturday | 8:00 AM – 8:00 PM (EST)
Fast 2–3 Day Shipping
30-Day Returns
In Stock & Ships Fast
Expert Support Available
2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 1DFQ-70300 is a genuine Hyundai DEF Header Sensor designed for diesel exhaust fluid tank applications. This component serves as part of the vehicle's aftertreatment system, supporting communication between the DEF reservoir and emissions control components responsible for SCR operation.

Product Features

The 1DFQ-70300 DEF header sensor is manufactured to Hyundai specifications for diesel exhaust fluid system monitoring.

  • Genuine Hyundai DEF header sensor assembly
  • Designed for DEF tank monitoring applications
  • Functions within selective catalytic reduction emissions systems
  • Supports communication between the DEF reservoir and control systems
  • Configured for OEM aftertreatment system integration
  • Manufactured as a new service component
  • Engineered for compatibility with factory DEF fluid management systems

General Specifications

Condition New
Part Number 1DFQ-70300
Brand Hyundai
Part Type Diesel Exhaust Fluid Header
Component Type DEF Sensor Kit
Application DEF Tank System
Emissions System Compatibility SCR (Selective Catalytic Reduction) System


Installation Notes

The 1DFQ-70300 DEF header sensor should be installed with attention to the condition of the DEF tank opening, electrical connections, and sealing surfaces. Follow the manufacturer's service procedures to ensure proper integration with the vehicle's emissions monitoring system.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.