Kenworth Window Regulator R21-1002 HLK2469

The R21-1002 is the Left-Hand (Driver Side) manual window regulator for Kenworth trucks.

Key Specifications

Part Number: R21-1002

Position: Left-Hand (LH) / Driver Side

Operation: Manual (Crank-style)

Standard Counterpart: R21-1002R (Passenger Side)

Common Vehicle Fitment

This part is a staple for manual window configurations in classic and heavy-duty Kenworth cabs:

W900 Series: W900, W900L, and W900B.

T800 Series: Standard workhorse configurations.

T600 Series: Earlier manual door models.

C500: Oilfield and heavy-haul vocational trucks.

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

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Kenworth Window Regulator R21-1002 HLK2469