Dorman 741-5405 Heavy Duty Power Window Regulator and Motor Assembly - Front Driver Side

The Dorman 741-5405 is a front driver side (left) heavy duty power window regulator and motor assembly engineered as a direct replacement for select Kenworth and Peterbilt commercial trucks. This complete assembly includes both the regulator and motor, delivering a convenient single-unit solution for restoring full power window operation.

Key Features:

• Direct-Fit Replacement: Reverse-engineered to match original equipment shape and dimensions for a seamless, bolt-on installation
• Plug-and-Play Design: Connects directly to the factory wiring harness — no wire splicing required
• Anti-Pinch Technology: Safety feature reduces risk of injury to passengers where applicable
• Extensively Tested: Cycled thousands of times in an actual vehicle door to ensure long-term, trouble-free performance
• Complete Assembly: Motor included — no need to purchase components separately
• Heavy Duty Construction: Built to withstand the demands of commercial truck applications

Specifications:

• Position: Front Driver Side (Left)
• Bottom Plate Diameter: 6.4 in
• Bottom Plate Center-to-Center: 3.5 in
• Top Plate Diameter: 6.4 in

Cross Reference Part Numbers:

• Automann: R21-6013
• ACI: HLK2151
• PACCAR Parts: 389084

Dorman's 741-5405 is engineered in North America and backed by decades of automotive and heavy-duty aftermarket expertise, making it a reliable, cost-effective alternative to OEM replacement parts for Kenworth and Peterbilt trucks.