Fuel System, Diesel, Fuel Injection System, Fuel Rail August 6, 2021 NHTSA recall 21V620000 9 units Custom Fire Apparatus, Inc. (Custom Fire) is recalling certain 2017-2021 Peterbilt 348, Freightliner M2, Kenworth T370, and T880 emergency vehicles equipped with Cummins L9 diesel engines. The sealing washer may not seat… Full recall details: the risk and what to do →