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Service bulletins for the 2008 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.

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

By type

By component

Bulletins, newest first
sbw20192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. sbw2019 Kysor Fan Clutch Rocking Runout Inspection
307-132018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 307-13 SPN 652-FMI 14 - EPA07
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
15TS82018-06-11. Service bulletin. FUEL SYSTEM, DIESEL. 15TS8 EPA10 and GHG14 Diesel Particulate Filter (DPF) Compatibility
15TS62018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 15TS6 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
0202-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 0202-15 EPA10 and GHG14 Diesel Oxidation Catalyst Face Cleaning
15TS14 GHG142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 15TS14 GHG14 DD Engine Cylinder Liner Seal Replacement
708-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 708-15 High Pressure Fuel Pump Camshaft Oil Seal - Two-Filter System
711-152018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 711-15 High Pressure Fuel Pump Camshaft Oil Seal - Three-Filter System
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
sbw49112018-06-11. Service bulletin. ELECTRICAL SYSTEM. sbw4911 DEF Gauge Reading Incorrectly
sbw54012018-06-11. Service bulletin. EXTERIOR LIGHTING. sbw5401 Turn Signal and Brake Override Circuit
sbw98012018-06-11. Service bulletin. STRUCTURE. sbw9801 Paint Finish Standards
sbw83252018-06-11. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. sbw8325 Side Window Defroster and Cooling Improvement Retrofit
0409-172018-06-11. Service bulletin. EQUIPMENT. SPN 1663 (CPC) (EPA07 10 GHG14 GHG17)
sbw490172018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. Magnetized Fill Neck for Six-Gallon DEF Tanks
0120-172018-04-16. Service bulletin. ENGINE. 0120-17 Diagnostic Test - Engine Oil Leaks - Oil Developer Method
0114-172018-04-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 0114-17 SPN 2791 (MCM) (EPA07;EPA10)
1213-162018-04-16. Service bulletin. FUEL SYSTEM, DIESEL. 1213-16 SPN 3480 (MCM) (EPA07;EPA10 GHG14)
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
15TS42018-03-13. Service bulletin. ENGINE AND ENGINE COOLING. 15TS4_Rev2_ EPA07 DD15 Piston Kits
1207-152018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1207-15 Updated procedures with adding EPA10 to the GHG14 title

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