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Service bulletins for the 2011 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.

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

By type

By component

By topic

Bulletins, newest first
711-132018-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 711-13 SPN 100-FMI 4 - ALL YEARS
706-132018-06-18. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. 706-13 SPN 157-FMI 10, 15, 17, 18 - GHG14
708-132018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 708-13 Fuel System Diagram Update
709-132018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. 709-13 SPN 2798-FMI 4-EPA10-GHG14
716-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 716-13 SPN 3226-FMI 13 - EPA10 - GHG14, SPN 3216-FMI 13 ? EPA10, SPN 3216-FMI 13 - GHG14
713-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 713-13 SPN 4334-FMI 7 - EPA10
714-132018-06-18. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER. 714-13 Fuel Filter Maintenance Intervals
717-132018-06-18. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT:MECHANICAL; EQUIPMENT ADAPTIVE/MOBILITY. 717-13 Oil Pan
sbw54552018-06-18. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
0202-172018-06-18. Service bulletin. ENGINE. 0202-17 DD13, DD15, and DD16 Cylinder Head Assembly Removal and Installation
15TS92018-06-18. Service bulletin. FUEL SYSTEM, DIESEL. 15TS9 Hydrocarbon Doser Block Fuel Compensation Pressure Sensor
306-152018-06-18. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 306-15 SPN 3246 (ACM)(EPA10;GHG14)
309-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, OTHER:FUEL FILTER. 309-15 SPN 3251 (ACM)(EPA10)
307-152018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. 307-15 SPN 3480 (MCM) (EPA07;EPA10;GHG14)
301-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 301-15 SPN 3251 (ACM) (EPA10) and (ACM) (GHG14), 3936 (ACM)
305-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 305-15 EPA10 Diesel Oxidation Catalyst Inlet Pressure Sensor
18SP7062018-06-18. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE. 18SP706 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
18SP7122018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP712 EPA07 DD15/16 Three-Filter Fuel System to Two-Filter KM59 GEN1 Fuel System Conversion Service Kit
18SP7132018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP713 EPA10 DD13 Three-Filter Fuel System to Two-Filter KM59 GEN1 Fuel System Conversion Service Kit
18SP7142018-06-18. Service bulletin. FUEL SYSTEM, DIESEL. 18SP714 EPA10 DD15/16 Three-Filter Fuel System to Two-Filter KM59 GEN1 Fuel System Conversion Service Kit
14TS132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 14TS13Rev EPA10/GHG14 Diesel Exhaust Fluid (DEF) in Fuel System/Diesel Fuel in DEF System Contamination
505-142018-06-18. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER; EQUIPMENT ADAPTIVE/MOBILITY. 505-14 Fuel Cooler Leak Test Procedure - Three-Filter Fuel System
504-142018-06-18. Service bulletin. EQUIPMENT; FUEL SYSTEM, OTHER:FUEL FILTER. 504-14 Test-E - Three-Filter Fuel System
524-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 524-14 FMI 0: Engine Speed High
513-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. 513-14 FMI 0: Diesel Particulate Filter Outlet Temperature - Very High

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