Kenworth Window Regulator HLK2557 K092-407

The K092-407 HLK2557 is the Left-Hand (Driver Side) manual window regulator for Kenworth trucks. It is the direct counterpart to the K092-407R is designed for the classic "Daylite Door" configuration.

Key Specifications

Part Number: K092-407 (also referred to as K092407 or K092-407L), HLK2557

Position: Left-Hand (LH) / Driver Side

Operation: Manual (Hand-crank driven)

Right-Hand Equivalent: K092-407R

Common Vehicle Fitment

This HLK2557  K092407 Kenworth window regulator fits Kenworth models with the sloped "Daylite" window from approximately 1997 to 2010:

Kenworth W900: W900B, W900L, and W900 Studio Cab.

Kenworth T800: Standard vocational and highway models.

Kenworth T600: Late-model T600B series.

Kenworth C500 & T300: Models within the same era.

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 HLK2557 K092-407