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TMS00194H Genuine Temsa Bus DEF Multifunction Head Unit

TMS00194H Genuine Temsa Bus DEF Multifunction Head Unit

P/N: TMS00194H 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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Product Overview

The TMS00194H is a genuine Temsa Bus DEF Multifunction Head Unit designed for compatible DEF system applications. This multifunction head unit is part of the diesel exhaust fluid system and integrates fluid level sensing, quality monitoring, temperature measurement, and coolant-powered heating within the DEF tank assembly. 

Product Features

The TMS00194H DEF Multifunction Head Unit is manufactured to Temsa Bus factory specifications for DEF tank sensing and fluid management.

  • Combines DEF level, quality, and temperature monitoring in the tank head assembly.
  • Communicates sensor data through a digital CANbus interface.
  • Uses a 4-pin DT connector for the factory electrical connection.
  • Includes a 40µ in-tank filter for DEF pickup filtration.
  • Uses engine coolant as the heat source for DEF tank heating.

Technical Specifications

Condition New
Part Number TMS00194H
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 TMS00194H DEF Multifunction Head Unit should be installed according to the manufacturer's service procedures. Ensure the electrical connector, coolant lines, and tank sealing surfaces are properly connected before returning the DEF system to service.

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