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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.

SP222118 Genuine LiuGong DEF Multifunction Head Unit

P/N: SP222118 Manufactured by: LiuGong
Original price $1,099.00 - Original price $1,099.00
Original price
$1,099.00
$1,099.00 - $1,099.00
Current price $1,099.00
1 in Stock
Condition: New
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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 SP222118 is a genuine LiuGong DEF Multifunction Head Unit. This component operates within the DEF system by monitoring fluid level, temperature, and fluid quality through integrated digital sensors.Β 

Product Features

The SP222118 DEF Multifunction Head Unit is manufactured to LiuGong factory specifications for DEF fluid monitoring and control manifold operation.

  • Integrates DEF level sensing for tank fluid measurement.
  • Monitors DEF temperature through the built-in sensor assembly.
  • Measures DEF fluid quality concentration for system feedback.
  • Uses a Deutsch DT4 electrical connector for the factory harness interface.
  • Includes an engine coolant-powered heater for DEF temperature control.
  • Includes a serviceable 40-micron in-tank filter for DEF pickup filtration.

Technical Specifications

Condition New
Part Number SP222118
Brand LiuGong
Part Type DEF Multifunction Head Unit
In-Tank Filter 40Β΅
Harness Length 15.5 inΒ 
Weight 10.20 lb


Installation Notes

The SP222118 DEF Multifunction Head Unit should be installed according to LiuGong service procedures. Confirm DEF, coolant, and electrical connections are clean and properly seated before system operation.

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