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Service bulletins for the 2013 Western Star 4900

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

660 on file from NHTSA, as of 2026-10-19.

By type

By component

By topic

Bulletins, newest first
0507-162018-03-13. Service bulletin. ENGINE. FMI 5 Oil Pressure Sensor Stuck High
0502-162018-03-13. Service bulletin. ENGINE. FMI 3 Engine Oil Pressure Sensor Circuit Failed High
0513-162018-03-13. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. FMI 2, 3, 4 Remote Accelerator Pedal Supply Voltage
0510-16 SPN 26232018-03-13. Service bulletin. EQUIPMENT:ELECTRICAL. SPN 2623 (CPC)(GHG17), SPN 2623 (CPC)(GHG14), and SPN 2623 (CPC)(EPA07 EPA10 GHG14)
0504-162018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Inspection of the DD13 Turbocharger
18SP726rev2018-03-13. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP726 ? EPA10 GHG14 Two-Filter Fuel System KM59 GEN1 DD13 High Pressure Fuel Fee
sbw32152018-03-13. Service bulletin. STRUCTURE. Some vehicles may have been incorrectly shimmed at the factory, and may lean slightly to the right or left. While this does not affect the operation of the vehicle, it may be visually unpleasing to many customers.
sbw42062018-03-05. Service bulletin. SERVICE BRAKES. sbw4206 Brake Shimmy - Meritor SteeLite X30 Brake Drum With Excessive Runout
849-122018-03-05. Service bulletin. POWER TRAIN. 849-12 SPN 3873-FMI 3 and 4
848-122018-03-05. Service bulletin. POWER TRAIN. 848-12 SPN 3872-FMI 3 and 4
847-122018-03-05. Service bulletin. POWER TRAIN. 847-12 SPN 3870-FMI 3 and 4
846-122018-03-05. Service bulletin. POWER TRAIN. 846-12 SPN 3869-FMI 3 and 4
845-122018-03-05. Service bulletin. POWER TRAIN. 845-12 SPN 3868-FMI 3 and 4
844-122018-03-05. Service bulletin. POWER TRAIN. 844-12 SPN 3867-FMI 3 and 4
843-122018-03-05. Service bulletin. POWER TRAIN. 843-12 SPN 3866-FMI 3 and 4
842-122018-03-05. Service bulletin. ELECTRICAL SYSTEM. 842-12 SPN 3864-FMI 3 and 4 - GHG14
830-122018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. 830-12 SPN 520326-FMI 4 - GHG14
818-122018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. 818-12 SPN 520296-FMI 19 and 31 - GHG14
815-122018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. 815-12 Installation of the Oil Cooler
811-122018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 811-12 SPN 411-FMI 3
810-122018-03-05. Service bulletin. POWER TRAIN. 810-12 SPN 3842-FMI 3, 4, and 5 (CPC4)
809-122018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL. 809-12 Removal and Installation of the GHG14 1-BOX From the Vehicle
807-122018-03-05. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 807-12 Removal and Installation of the GHG14 Diesel Exhaust Fluid Dosing Unit Inlet Screen
805-122018-03-05. Service bulletin. ELECTRICAL SYSTEM. 805-12 SPN 4354-FMI 5, 4356-FMI 5, 4355-FMI 5, 4357-FMI 5
804-122018-03-05. Service bulletin. ELECTRICAL SYSTEM. 804-12 SPNs 4354-FMI 5, 4355-FMI 5, 4356-FMI 5, 4357-FMI 5

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.