Blower motor DDM021TT

Description

Blower motor by THERMOTEC, catalog number DDM021TT. Confirmed catalog fitment: Mercedes-Benz VIANO W639 (2003+), Mercedes-Benz VITO II 639 (2003–2014), Mercedes-Benz VITO II 639 (2003–2014). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

HEATER BLOWER MOTOR / HVAC FAN MOTOR

A heater blower motor is a component of the vehicle’s heating, ventilation, and air conditioning (HVAC) system designed to push air into the cabin through the heater core and air conditioning system. It ensures air circulation, defrosting performance, and interior comfort.

The blower motor is installed inside the heater housing under the dashboard or in the engine bay area and works together with the heater core, AC evaporator, climate control module, and fan speed resistor. Its condition directly affects heating efficiency, cooling performance, and windshield defogging.

A faulty blower motor may cause no airflow, weak air output, abnormal noise, squeaking, vibration, operation at only one speed, or complete HVAC system failure.

Our catalog includes blower motors for many vehicle brands. Available options include genuine factory HVAC components, reliable aftermarket replacements, and tested used motors without fan damage. Complete assemblies with fan wheel, units with control modules, and versions for different climate systems are available.

Used parts are inspected for smooth rotation, absence of play, fan condition, and electrical functionality.

Selection is available by VIN number, part number, climate system type, interior configuration, and vehicle year. Replacing a faulty blower motor restores cabin airflow, heating efficiency, and driving comfort.

Compatibility

Fits 3 vehicles

Nothing found

About the manufacturer · THERMOTEC

Thermotec is an automotive components brand specializing in the production and supply of cooling system and climate control components for vehicles. The brand is present in the international automotive aftermarket and fo...

Thermotec is an automotive components brand specializing in the production and supply of cooling system and climate control components for vehicles. The brand is present in the international automotive aftermarket and focuses on supplying spare parts for passenger cars and commercial vehicles from a wide range of manufacturers. Thermotec’s main specialization includes engine cooling system components and automotive air‑conditioning system parts. Under the Thermotec brand products such as engine radiators, air conditioning condensers, intercoolers, cooling fans, thermostats, expansion tanks, water pumps, cooling hoses and other temperature management components are produced. These parts play an important role in regulating engine temperature and maintaining proper climate conditions inside the vehicle. Thermotec products are manufactured at specialized facilities and undergo quality control before being supplied to the spare parts market. The brand’s components are widely used for the repair and maintenance of vehicles after the original warranty period. The product range covers many European, Asian and American vehicle models. According to feedback from automotive service technicians and vehicle owners, Thermotec products are generally known for offering a good balance between price and quality. Users often highlight the wide selection of radiators and cooling system components as well as acceptable manufacturing quality. However, the durability of individual parts may vary depending on operating conditions and the specific component category. Overall, Thermotec is commonly considered a practical mid‑range aftermarket brand for the repair and maintenance of vehicle cooling and air‑conditioning systems.

Additional information

Blower motor by THERMOTEC, catalog number DDM021TT, is listed for vehicle repair or maintenance. The catalog identifies the item as “Blower motor”. Confirmed catalog fitment: Mercedes-Benz VIANO W639 (2003+), Mercedes-Benz VITO II 639 (2003–2014), Mercedes-Benz VITO II 639 (2003–2014). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number DDM021TT and manufacturer THERMOTEC. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part. Compare the offered part with the removed unit and confirm fitment by VIN when necessary.

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