Peterbilt Window Regulator R21-6009 R21-6011 HLK2281 741-5401 153-9021

• Brand / Manufacturer: TinzerMotor

• OEM Cross-Reference Part Numbers: HLK2281 / R216009 / R216011 / 7415401 / R21-6009 / R21-6011 

• Operation Type: Power / Electric Actuation (Integrated assembly)

• Placement on Vehicle: Front Door, Driver Side (Left Hand - LH) 

• Material Composition: High-strength reinforced steel framing, high-torque gears, and heavy-duty cable track linkages 

• Attachment Method: Direct Bolt-On design for stable mounting 

• Electrical Interface: Direct factory-style connector plug for straightforward plug-and-play installation 

• Primary Truck Model Compatibility: Custom tailored for popular commercial vehicles including Peterbilt 379, 386, 389, 330, and 335 series.

• Applicable Model Years: Built to fit specific vehicle production lines spanning multiple medium and heavy-duty model generations.

• System Integration: Compatible with standard Peterbilt cab and sleeper cabin doors utilizing electric door glass controls.

• Endurance Cycle Testing: Regulators undergo continuous multi-thousand cycle endurance stress tests to verify component lifetime and resist cable binding or motor overload.

• Anti-Stripping Design: Features upgraded gear-tooth profiling to prevent gear stripping under high-stress weather environments.

• Precise Dimensional Tolerance: Laser-measured steel structural stamping ensures seamless alignment into the door cavity without drilling modifications.

Please contact: 

Ms Riva  

Wechat/WhatsApp +86 15355970956 

Email: riva@ruishuoautoparts.com

Alibaba Shop linkage:

Peterbilt Window Regulator R21-6009 R21-6011