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May 3, 2021 Service bulletin

Tech Talk Discussion 121-8861-005 3 Compartment air tank with one way internal check valve

Western Star technical service bulletin TechTalk566647 for 2018 Western Star 4900 and 2018 Western Star 4800.

Bulletin number
TechTalk566647
Component
Service brakes, air
Summary
Tech Talk Discussion 121-8861-005 3 Compartment air tank with one way internal check valve

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