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August 25, 2021 Service bulletin

11 Liter Engines

Mack technical service bulletin KC-2139 for 2021-2022 Mack Anthem (An), 2021-2022 Mack Granite (GR) and 2021 Mack LR and others.

Bulletin number
KC-2139
Component
Engine and engine cooling
Summary
11 Liter Engines - Fuel In Oil - Vehicles Built Between October 2020 And June 2021

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