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April 11, 2026 Emissions

E335 Warranty wording update Apr 2026

Kenworth technical service bulletin E335 for 2022-2023 Kenworth T680, 2022-2023 Peterbilt 579 and 2022-2023 Peterbilt 389 and others.

Bulletin number
E335 (E335)
Component
Engine
Summary
E335 Warranty wording update Apr 2026

Owners of these vehicles have filed 1 complaints in the engine category.

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