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TMS00194-H Genuine Temsa Bus DEF Multifunction Head Unit

TMS00194-H Genuine Temsa Bus DEF Multifunction Head Unit

P/N: TMS00194-H Manufactured by: Temsa Bus
$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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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 TMS00194-H is a genuine Temsa Bus DEF Multifunction Head Unit designed for diesel exhaust fluid (DEF) system applications. This DEF multifunction head unit operates within the emissions fluid delivery system and monitors DEF level, temperature, and fluid quality while supporting fluid transfer and heating functions. 

Product Features

The TMS00194-H DEF multifunction head unit is manufactured to Temsa Bus factory specifications for DEF system monitoring and fluid management.

  • Integrated level, temperature, and DEF concentration sensing functions.
  • Digital CANbus sensor communication design.
  • Equipped with a Deutsch DT4 standard electrical connector.
  • Features an engine coolant-powered heater assembly.
  • Includes a serviceable 40µ in-tank filter.
  • Designed with SAE J2044 DEF suction and return fittings.
  • Uses a 4.05-inch diameter bore seal tank interface.

Technical Specifications

Condition New
Part Number TMS00194-H
Brand Temsa Bus
Part Type DEF Multifunction Head Unit
Sensor Type Digital (CANbus)
In-Tank Filter 40µ
Connector Type 4-Pin DT
Length 17.4 in 
Harness Length 15.5 in
Weight 10.20 lbs
Heater Type Engine Coolant Powered


Installation Notes

The TMS00194-H should be installed using the correct DEF tank interface, fluid fittings, coolant connections, and electrical connector configuration specified for the application. Inspect sealing surfaces, hose connections, and electrical interfaces before placing the DEF system into service.

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