Blower Mower Assembly 12V W/ 3 Speed Design By BESTfit Fits Mack MR/MRU

Improve cab comfort and HVAC reliability with the BESTfit 12V Blower Motor Assembly with 3-Speed Design for Mack MR and MRU trucks. Built as a high-quality replacement component, this blower motor assembly delivers consistent airflow to support efficient heating and air conditioning performance in demanding heavy-duty environments. Designed for 12-volt systems, it features a 3-speed configuration that allows drivers to adjust airflow output for optimal comfort in changing conditions. Engineered for durability and dependable operation, it serves as a direct-fit replacement for worn or failing blower units. With overall dimensions of 12.750 inches in length, 5.000 inches in height, and 4.500 inches in width, this BESTfit blower motor assembly ensures proper fitment and long-lasting HVAC performance.

* High Quality Blower Motor Assembly
* 12 Volt
* 3 Speed Design
* Dimensions:
  - 12.750 Inch Length
  - 5.000 Inch Overall Height
  - 4.500 Inch Width
* Sold Individually
* Warranty On Blower Motor Assemblies Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)***

* Replaces OEM Number 4379-RD5123580P

* This Item Is Special Order. This Item Will Not Be Able To Be Canceled And Is Non-Returnable.