Door-opening Motor
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Shuttle Bus Door-opening Motor 6092-ECC 21252144

To Replace:
Shuttle Bus With A&M Systems
For Vehicle:

Goshen Coach Ford

Starcraft Ford

Startrans Ford

World Trans Ford


Part No.:

6092-ECC

21252144                   

P100047

113260

800-171                        

406-10191


Tinzer No.
24B8 12V 12-tooth Gear
  • Introduction
  • factory
TinzerMotor Bus & Van Door Opening Motor: 21252144
TinzerMotor is a premier global manufacturer specializing in heavy-duty actuation solutions. Our 21252144 model is a high-performance door opening motor engineered to meet the extreme duty cycles and safety standards required by Buses, Vans, and Public Transit vehicles.
1. Technical Information
  • Operating Voltage: 12V / 24V DC configurations.

  • Torque Specification: High-torque output designed to drive heavy door linkages and overcome the high friction of industrial weather seals.

  • Mechanical Integrity: Features industrial-grade hardened steel and bronze gears for maximum wear resistance and high-torque transmission.

  • Acoustic Engineering: Optimized gear mesh design ensuring quiet, professional operation (under 45 dBA) to maintain passenger comfort.

  • Safety Protection: Integrated thermal overload protection and electromagnetic interference (EMI) suppression.

2. Applications
The 21252144 is a critical power unit for automated entry systems in:
  • Commercial Transit: City transit buses, luxury coaches, and airport shuttle systems.

  • Passenger Vans: High-frequency use in delivery vans, minibuses, and paratransit vehicles.

  • Fleet Brands: Widely used as a replacement motor for door systems in Volvo, Scania, and Mercedes-Benz bus platforms, as well as specialized coach-builders.

  • Accessibility Vehicles: Fits various automated entry steps and ramp mechanisms.

3. Interchange Numbers (Cross-Reference)
The TinzerMotor 21252144 is a direct replacement for:
  • OEM Reference: 21252144

  • Bosch Cross-Ref: 0130822488 / 0130822489 series compatibility.

  • Industry Refs: Compatible with a variety of transit-specific part numbers used in European and American bus door actuator assemblies.


4. TinzerMotor High Quality & Testing
At TinzerMotor, our "Heavy-Duty" engineering focuses on maximizing vehicle uptime and passenger safety through:
  • 120,000+ Cycle Validation: Every motor design is tested to survive over 120,000 opening/closing cycles, simulating years of rigorous stop-and-go transit service.

  • Extreme Weather Validation: Tested to operate flawlessly in temperatures ranging from -40°C to +85°C, ensuring door reliability in both Arctic and desert climates.

  • IP67 Sealing: Features a fully sealed housing to protect internal components from road salt, moisture, and high-pressure washing.

  • 100% Quality Audit: No motor leaves our facility without passing a final End-of-Line (EOL) test to verify torque consistency, speed, and current draw.


Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com


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