NHTSA campaign 18V191000
Hazard
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances the power stud may contact the bulkhead and result in an electrical arc.
Consequence
An electrical arc can increase the risk of a fire.
Remedy
DTNA will notify owners, and dealers will inspect the power stud for the proper clearance to the bulkhead, and replace it if necessary, free of charge. DTNA issued an interim notification to owners on May 23, 2018. The recall began October 29, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-766.
The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.