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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.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
506-142018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 506-14 506-14 Removal and Installation and Inspection of the Exhaust Gas Recirculation Valve Actuator Pull Rod
604-132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 604-13 Performing a Parked Regeneration
0401-182018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0401-18 SPN 1231 (MCM) (EPA10 GHG14)
ICI18-0142018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI18-014 Owner Notice ? Kidde Fire Extinguisher Recall
18SP6842018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 18SP684Rev3 EPA07 and EPA10 DD Platform EGR Delta Pressure Sensor Update
ssbw490192018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. ssbw49019 Manguera de presión del líquido de escape diésel (DEF) desconectada en la conexión del dosificador
13WO-22018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 13WO-2-New Standard Rpr Times orgl 11WO2 New Standard Repair Times for EPA07-10 DD13-15 Diagnostic Tests
sbw54552018-06-11. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
301-132018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 301-13 SPN 5018- FMI 18 -GHG14
ICI12-0252018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI12-025-DLR SF471 - Revised Bulletin
ICI12-0242018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI12-024-DLR SF453 - Termination Date Extended
sbw31092018-06-11. Service bulletin. EQUIPMENT. sbw3109 Huck-Spin 2 Changeover
128-132018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 128-13 SPN 511403-FMI 0,1,2,3,4,5,6,8,9,10,11,12,13,14
0204-152018-06-11. Service bulletin. EQUIPMENT. 0204-15 Symptom Diagnostics: Noisy One-Box Aftertreatment
704-152018-06-11. Service bulletin. EQUIPMENT. 704-15 SPN 4364 (ACM)(EPA10)
706-152018-06-11. Service bulletin. EQUIPMENT. 706-15 SPN 1323 (MCM) (GHG14) SPN 1324 (MCM) (GHG14) SPN 1325
sbw54632018-06-11. Service bulletin. EQUIPMENT. sbw5463 Nexiq USB-Link Upgrade and Diagnostic Connector
0412-172018-06-11. Service bulletin. EQUIPMENT. SPN 3556 FMI 0, 1, 18 - Regeneration Temperature Update Procedures
0409-172018-06-11. Service bulletin. EQUIPMENT. SPN 1663 (CPC) (EPA07 10 GHG14 GHG17)
15TL242018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. 15TL24 OTC 1750 Revolver Engine Stand
15TS162018-03-13. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15TS16Rev1 EPA10 Reman MCM Improvement for Fault Codes SPN 651 to 656
1207-152018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1207-15 Updated procedures with adding EPA10 to the GHG14 title
1202-152018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1202-15 Symptom Diagnostics - ATD Checklist
1210-142018-03-13. Service bulletin. EQUIPMENT. 1210-14 Cylinder Head
1201-152018-03-13. Service bulletin. EQUIPMENT; ENGINE. 1201-15 Crankshaft and Bearings

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