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Service bulletins for the 2018 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.

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

By type

By component

Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
0504-182018-10-29. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE. 0504-18 Fuel System - Fuel Injectors
0313-172018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. (MCM) (GHG17)
0311-172018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. (MCM) (GHG17)
0312-172018-06-18. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. (MCM) GHG17
0320-172018-06-18. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. (MCM)(GHG17)
608-132018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 608-13 High Pressure Fuel Flange-Two-Filter System
707-132018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE. 707-13 Description and Operation of the HC Doser Fuel Supply Pressure Control Valve - Two Filter System
710-132018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 710-13 Metal in the Fuel System - Three-Filter Fuel System
712-132018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 712-13 Fuel Cooler Leak Test Procedure - Three-Filter Fuel System
705-132018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. 705-13 Test-E Three-Filter Fuel System
702-132018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. 702-13 Test E Two-Filter Fuel System
0404-182018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0404-18 GHG17 DD8 - Aftertreatment Systems - Diesel Particulate Filter End Cap
sbw54642018-06-18. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY. sbw5464 Fuel Level Sending Unit Retrofit
fsbw490192018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. fsbw49019 Conduite sous pression de fluide pour échappement diesel (DEF) débranchée au niveau du raccordement du doseur
1105-172018-06-11. Service bulletin. FUEL SYSTEM, DIESEL. EPA10, GHG14 and GHG17 Diesel Particulate Filters
sbw490172018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. Magnetized Fill Neck for Six-Gallon DEF Tanks
0127-172018-04-16. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, OTHER. 0127-17 SPN 1077 FMI 14 (GHG14) (GHG17) (MCM)
0111-172018-04-16. Service bulletin. FUEL SYSTEM, DIESEL. 0111-17 SPN 1077 (MCM)(GHG17)
18SP726rev2018-03-13. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP726 ? EPA10 GHG14 Two-Filter Fuel System KM59 GEN1 DD13 High Pressure Fuel Fee
15TL62018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. 15TL6 W470589129100 ? HDEP HP Fuel Rail Test Caps
15-0172018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 15-017 Detroit: Updated Fuel Injector SDTs
15TL42018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. 15TL4 W470589050900 ? 3/8? Drive GEN2 Two-Stage Valve Socket
15-0102018-03-05. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE. 15-010-DLR Transmission Cooler Line Photos
14TS192018-02-12. Service bulletin. FUEL SYSTEM, OTHER. 14TS19 DD Platform High Pressure Fuel Lines
713-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 713-14 Symptom Diagnostics - Combustion Gas in Coolant

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