Peterbilt Window Regulator R21-1022R
To Replace:
Peterbilt Kenworth
For Vehicle:
Peterbilt
579/567/330/337/348
20-26
12-19 Repair
Kenworth
T680/T880
Part No.:
R21-1022R
Tinzer No.
21G22-R
Peterbilt
579/567/330/337/348
20-26
12-19 Repair
Kenworth
T680/T880
R21-1022R
The R21-1022R is a power window regulator designed for the right-hand (passenger) side of Paccar commercial trucks, specifically Peterbilt. It is often sold as a "Peterbilt Kenworth Window Regulator" and is a direct OEM replacement part.
Key Specifications
Part Number: R21-1022R (Right-Hand).
Left-Hand Equivalent: R21-1022.
Operation: Electric (Power).
Construction: Heavy-duty black metal frame with a robust motor mechanism.
Dimensions: Approximately 18.00" Length x 12.00" Width x 10.00" Height.
Weight: Approximately 8.0 lbs.
Peterbilt Models:
579: Modern aerodynamic highway model.
567: Modern vocational/work truck platform.
389 / 388: Used in later model years (typically 2008–2023).
367 / 365: Vocational models with modern cab configurations.
Kenworth Models:
T680 / T880: Modern aerodynamic and vocational flagship models.
W900 / T800: Later production years equipped with updated door glass and power lift systems.
T660: Aerodynamic model from the late 2000s and 2010s.
Part Number: R21-1022R (Right-Hand Side).
Left-Hand Equivalent: The matching driver-side part is R21-1022.
Construction: Features a heavy-duty black metal frame with an integrated electric cable and motor system designed to withstand rigorous commercial use.
Interchange: This part is a direct factory replacement for the older R21-1019R part number.
Please contact:
Ms Riva
Wechat/WhatsApp +86 15355970956
Email: riva@ruishuoautoparts.com
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.
