Mack Window Motor 11QX56M 85145983

The part number 85145983 refers to a Front Driver Side (Left Hand) Electric Window Regulator Motor for Mack Trucks. It is a genuine OEM component designed for heavy-duty applications.

• Part Type: Electric Window Regulator (often sold as the mechanism, verify if the window motor is included per specific listing).

• Position: Front Left (LH / Driver Side).

  Manufacturer: TinzerMotor

  Function: Controls the vertical movement and alignment of the driver-side window glass.

  Vehicle Compatibility
  This part is specifically engineered for Mack heavy-duty trucks. Common applications include:

  
  

• Mack CH Models: Typically covers years 1999–2013.

• Mack CL / CX Models: Fits various configurations within these series. 

  Technical Specifications

• Previous/Old Part Number: 25159818.

• Connector: Standard plug-in (typically 2-pin for the motor if included).

• Construction: High-quality, durable materials designed to withstand commercial use and varying weather conditions.

  Interchange & Cross-Reference
• If the genuine Mack part is unavailable, you can use these equivalent aftermarket or manufacturer numbers:

• PAI Industries: 803946 or 803946OEM.

• Heavy Duty Kits: 11QX56M.

• Opposite Side: The corresponding Passenger Side (Front Right) part number is 85145984.

Quality and Testing

TinzerMotor produces these window regulators and window motors with a focus on long-term high quality and mechanical reliability:

Heavy-Duty Construction: Uses thickened steel plate components and reinforced pivot points to prevent the "sagging" or jamming common in lower-quality aftermarket parts.

Extensive Testing: Each unit undergoes rigorous cycle testing, involving thousands of manual rotations under simulated glass weight to ensure the internal gears do not strip or slip over time.

Precision Fit: Designed to align perfectly with the original door mounting holes, ensuring a "bolt-on" installation without the need for drilling or modification.

Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com

Alibaba Shop linkage:

Mack Window Motor 11QX56M 85145983 25159818