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Mercedes Benz Window Motor A0038203742

To Replace:
Mercedes Benz
For Vehicle:

W126 79-91 

R107 W115 W116 W123


Part No.:

A0038203742

Tinzer No.
2T 12V-L
  • Introduction
  • factory
A0038203742 Technical Information
  • Product Name: Heavy Duty Truck Power Window Regulator Motor.

  • Operating Voltage24V DC (Tailored for heavy-duty commercial vehicle electrical systems).

  • Operating Side: Typically designated for the Left Hand (Driver Side) on various Mercedes configurations.

  • Connector: Standard 2-pin / Multi-pin plug (varies by comfort module) for a secure, moisture-resistant electrical connection.

  • Construction: High-torque motor with a reinforced worm gear housing for smooth power transmission and long-term durability.

  • Safety Feature: Includes Thermal Overload Protection to prevent motor damage during frozen window conditions or track obstructions.

Applications
The A0038203742 is a primary motor used in the door assemblies of Mercedes-Benz heavy-duty and medium-duty truck series:
  • Mercedes-Benz Actros (MP1 / MP2 / MP3): 1996–2011 models.

  • Mercedes-Benz Axor (1 / 2): 2001–2013 models.

  • Mercedes-Benz Atego (1 / 2): 1998–2013 models.

  • Mercedes-Benz Econic: Specialized chassis for municipal and waste management.

Interchange & Cross-Reference Numbers
This motor is a direct high-quality replacement for the following original and aftermarket part numbers:
  • Mercedes-Benz (OE): A0038203742, 0038203742, A 003 820 37 42.

  • Alternative OE Numbers: A0028203942, A0048203742 (often part of a superseding chain for the LH side).

  • DT Spare Parts: 4.61337.

  • Febi Bilstein: 102921.

  • Meyle: 034 830 0003.

  • TinzerMotor: High Quality & Professional Testing
  • TinzerMotor produces the A0038203742 with a focus on "Heavy-Duty Reliability," ensuring that the driver's window—the most frequently used window in a truck—never fails.
  • Industrial-Grade Torque: TinzerMotor utilizes high-density carbon brushes and high-conductivity copper windings, providing the extra torque necessary to lift heavy, dirty, or iced-up truck windows without straining.

  • Comprehensive Quality Testing:

    • Longevity Testing: Each motor design is subjected to over 60,000 full lift cycles under load, simulating over 10 years of intensive professional use.

    • Climate Chamber Testing: Motors are tested for performance in extreme temperatures ranging from -45°C to +85°C, ensuring no seizure in freezing winters or loss of power in extreme heat.

    • Corrosion Resistance: The motor casing and connectors pass 120-hour Salt Spray Tests to ensure protection against road salt and moisture.

  • Low Noise & Smooth Operation: Precision-balanced armatures and high-quality internal lubrication reduce cabin vibration and operational noise, maintaining a premium environment for the driver.

  • 1:1 OEM Fitment: The gear interface and mounting brackets are precision-molded to 1:1 original specifications, ensuring a "Plug-and-Play" installation that saves time for fleet maintenance teams.



Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com


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