Description
Restore smooth and reliable power window operation on your Peterbilt with the Automann HLK2281 left‑hand power window regulator. This heavy‑duty aftermarket replacement matches OEM exactness and delivers dependable performance for commercial applications.
Product Highlights
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Application: Left-hand side (driver) power window regulator
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Vehicle Fitment: Designed for Peterbilt models including 357, 365, 367, 378, 379, 388, 389 (2005–2023)
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Construction: Heavy-duty and built for durability
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Installation: Direct OEM replacement — no cutting or modifications needed
Specifications
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Height: ~28″
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Length: ~12.25″
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Width: ~2.5″
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Weight: ~9 lb (based on equivalent specs)
Cross‑Reference Part Numbers
Brand/Source | Cross‑Reference Part Numbers |
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Peterbilt OEM | R21‑6009, R21‑6011, R216009, R216011 |
Dorman | 741‑5401 |
Midwest / Newstar | WA129‑0020 (Midwest), PTR‑R21‑6011 (Newstar) |
Why Choose Automann HLK2281?
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Accurate Fitment: OEM-style mounting and fit for a hassle-free install
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Robust Performance: Heavy-duty build meets long-haul trucking demands
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Clear Compatibility: Replaces multiple OEM and aftermarket part numbers
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Full Warranty: Backed by Automann’s standard coverage
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