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1009212003 Genuine E-One DEF Multifunction Head Unit

1009212003 Genuine E-One DEF Multifunction Head Unit

P/N: 1009212003 Manufactured by: E-ONE
$1,099.00 - $1,099.00
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
1 in Stock
Condition: New
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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 1009212003 is a genuine E-One DEF Multifunction Head Unit designed for compatible diesel exhaust fluid system applications. This DEF multifunction head unit operates inside the DEF tank and supports fluid filtering, level-related system functions, and emissions system communication. 

Product Features

The 1009212003 DEF Multifunction Head Unit is manufactured to E-One factory specifications for DEF tank system operation.

  • Positions inside the DEF tank assembly to support fluid system monitoring.
  • Routes electrical communication through the integrated harness connection.
  • Helps maintain DEF system function through the in-tank filtration point.
  • Supports emissions system operation by working with the factory DEF tank electronics.
  • Uses a 15.5 in harness layout for the specified tank configuration.

Technical Specifications

Condition New
Part Number 1009212003
Brand E-One
Part Type DEF Multifunction Head Unit
In-Tank Filter 40µ
Harness Length 15.5 in
Installation Depth 17.37 in


Installation Notes

The 1009212003 DEF multifunction head unit should be installed following E-One service procedures for the applicable DEF tank assembly. Inspect the tank opening, harness connection, sealing surface, and filter placement before completing installation.

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