Power Step Motor
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RV Power Step Motor

To Replace:
RV
For Vehicle:

Universal RV Power Step

Part No.:

Universal RV Power Step

Tinzer No.
TZPS002
  • Introduction
  • factory
The TinzerMotor TZPS002 is a premium, high-torque Power Step Motor engineered specifically to actuate retractable running boards and automatic entry steps on Recreational Vehicles (RVs), motorhomes, and Sport Utility Vehicles (SUVs).
Technical Specifications
  • Operating Voltage: 12V DC (optimized for standard RV coach and automotive auxiliary battery banks)

  • Drive Configuration: Integrated heavy-duty worm-gear assembly providing high holding torque to lock steps firmly in place when extended or retracted

  • Connector Interface: Weather-sealed, plug-and-play OE-style wiring harness preventing water intrusion and wire corrosion

  • Housing Material: High-strength, rust-resistant die-cast metal housing sealed with an IP67-rated weather proofing barrier

  • Safety Mechanism: Built-in current-sensing feedback capability to immediately stall and reverse rotation if an obstruction is detected during deployment

Primary Applications
The TZPS002 step motor is designed as a high-performance replacement for electric entry steps on luxury coaches, camper vans, and passenger vehicles: [1]
  • RV & Motorhome Steps: Direct compatibility with major retractable electric step assemblies (e.g., Kwikee, Lippert, or Stromberg Carlson configurations).

  • SUV Side Retractable Running Boards: Tailored for automatic hidden side-steps on full-size SUVs and overland utility vehicles.

Interchange & Cross-Reference Numbers
The part identifier TZPS002 serves as a direct drop-in replacement for the following original equipment and industry numbers:
  • OEM Cross-References: TZPS002, TZ-PS002

  • Industry Match Variants: 379147, 1101428, 676061, SP1636669 (compatible high-torque replacement equivalents)

TinzerMotor High-Quality & Testing Standards
TinzerMotor applies the same rigorous engineering protocols to its power step line as it does to its heavy-duty commercial truck assemblies:
  • Structural Load Testing: Gearboxes and motor linkages are stress-tested to handle repeated weight displacement forces during stepping cycles without slipping or stripping.

  • Under-Carriage Environmental Protection: Because step motors operate beneath the vehicle chassis, units undergo strict salt-spray chamber exposure and high-pressure water submersion testing to verify defense against road grime, mud, and de-icing chemicals.

  • 100% Final Computerized Inspection: Each finished TZPS002 motor is run through automated test benches to verify nominal current draw, low-noise threshold parameters, and exact start-stop torque consistency before being approved for packaging.

Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com


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