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Service bulletins for the 2015 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.

617 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
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)
1213-162018-04-16. Service bulletin. FUEL SYSTEM, DIESEL. 1213-16 SPN 3480 (MCM) (EPA07;EPA10 GHG14)
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
405-152018-03-05. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER. 405-15 Symptom Diagnostics - Hard Start/No Start - Two-Filter System
509-152018-03-05. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER. 509-15 Symptom Diagnostics - Hard Start/No Start - Three-Filter Fuel
504-152018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 504-15 DD13 Exhaust Gas Recirculation Valve Actuator Pull Rod
511-152018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 511-15 DD15 and DD16 Exhaust Gas Recirculation Valve Actuator Pull Rod
502-152018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 502-15 Exhaust Gas Recirculation Actuator Lever
18SP7162018-03-05. Service bulletin. FUEL SYSTEM, DIESEL. 18SP716 Installation/Replacement of the Fuel Cooler Delete Bypass Plate for the Two-Filter Fuel System
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
15TS92018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE:DELIVERY. 15TS9 Hydrocarbon Doser Block Fuel Compensation Pressure Sensor
303-152018-03-05. Service bulletin. FUEL SYSTEM, OTHER; ENGINE. 303-15 Contaminated Fluids
306-152018-03-05. Service bulletin. ENGINE; FUEL SYSTEM, DIESEL. 306-15 SPN 3246 (ACM)(EPA10;GHG14)
307-152018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. 307-15 SPN 3480 (MCM) (EPA07;EPA10;GHG14)
320-152018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 320-15 SPN 4374 (ACM) (GHG14)
18SP7062018-03-05. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 18SP706 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
18SP7122018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP712 EPA07 DD15/16 Three-Filter Fuel System to Two-Filter KM59 GEN1 Fuel System Conversion Service Kit
18SP7132018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP713 EPA10 DD13 Three-Filter Fuel System to Two-Filter KM59 GEN1 Fuel System Conversion Service Kit
18SP7142018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP714 EPA10 DD15/16 Three-Filter Fuel System to Two-Filter KM59 GEN1 Fuel System Conversion Service Kit
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

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