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March 11, 2026 Service bulletin

Engine Air Filter Servicing UPDATE

Kenworth technical service bulletin 41-024 for 2020-2026 Kenworth T680, 2020-2026 Peterbilt 579 and 2020-2026 Kenworth T880 and others.

Bulletin number
41-024 (41-024)
Component
Engine
Summary
Engine Air Filter Servicing UPDATE - Procedures are available to support the maintenance, service intervals, and intake system inspection process for all engine air intake system components.

Owners of these vehicles have filed 3 complaints in the engine category.

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