Peterbilt Window Regulator R21-1019
To Replace:
Peterbilt
For Vehicle:
Peterbilt
579/567/330/337/348
12-19
Part No.:
R21-1019
Tinzer No.
21G19-L
Peterbilt
579/567/330/337/348
12-19
R21-1019
The R21-1019 (and its modern replacement R21-1022) is a heavy-duty electric window regulator specifically engineered for Peterbilt and Kenworth commercial trucks.
Peterbilt Models:
389: 2008 – 2023
388: 2008 – 2015
367: 2007 – 2023
384 / 386: 2006 – 2015
348 / 337: Modern vocational and medium-duty models
Kenworth Models:
W900: 2005 – 2020+ (primarily versions with Daylite doors)
T800 / T880: Popular vocational models
T660 / T680: Aerodynamic highway models
C500 / T440 / T470: Specialized and vocational configurations
Placement: Designed for the Left-Hand (Driver Side) front door.
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
