Kenworth Window Regulator R21-6013R HLK2152

The R21-6013R is an Electric Window Regulator (Right Hand) designed for heavy-duty Kenworth and Peterbilt trucks. It is an high quality truck window regulator from TinzerMotor, though it is widely available as a direct aftermarket replacement.

Key Specifications

Part Number: R21-6013R (Passenger Side).

Operation: Electric Power Wndow Regulator (Power Window).

Application: Paccar (Kenworth and Peterbilt).

Left-Hand Equivalent: The corresponding driver-side part is R21-6013.

Vehicle Fitment

This part is a direct OEM replacement for select aerodynamic and heavy-duty Paccar models, primarily from 2003 to 2015: 

Kenworth: T2000 (2003–2010), T700.

Peterbilt: 386 (2006–2009), 387 (2006–2010), and 587.

• Part Type: Electric Window Regulator with Motor.

• Position: Front Door, Right Hand (RH).

• Dimensions: Approximately 24 x 10 x 6 inches.

• Weight: Varies by listing from ~4 lbs to 10 lbs including packaging.

• Construction: Features a cable-style lift mechanism and durable steel/plastic gear components.

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:

Kenworth Window Regulator R21-6013R HLK2152