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
| 18SP726Rev | 2019-08-08. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine. |
|---|---|
| 19-008WI | 2019-08-08. Service bulletin. EQUIPMENT. Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts. |
| DOC-1034452 | 2019-08-08. Service bulletin. EQUIPMENT. Training Solution created by DTNA to provide guidance to customers when searching for service information for components and systems not owned by Daimler Trucks North America (DTNA). |
| 18SP725Rev | 2019-08-07. Service bulletin. ENGINE; EQUIPMENT; FUEL SYSTEM, DIESEL. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine. |
| sb54313 | 2019-08-06. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin provided to customers regarding installation of a new MCM 21-pin jumper harness. |
| FL773 Lowmax Bra | 2019-04-08. Service bulletin. SERVICE BRAKES. Recall Bulletin FL773 Lowmax Brake Hoses |
| sbw0015 | 2019-04-08. Service bulletin. SUSPENSION. Service Bulletin Vibration and Harsh Ride Troubleshooting |
| ICI18-035 FL766 | 2019-04-08. Service bulletin. ELECTRICAL SYSTEM. Important Campaign Information to Dealer on FL766 - Final Remedy Temporarily Suspended |
| 0701-17 | 2019-04-08. Service bulletin. POWER TRAIN. SPN 168 (CPC3) (GHG17) |
| sbw54065 | 2019-04-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge |
| 0701-17 | 2019-04-08. Service bulletin. ELECTRICAL SYSTEM. SPN 168 (CPC3) (GHG17) |
| sbw54065 | 2019-04-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge |
| 0606-17 | 2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SPN 3226 (ACM) (GHG17) |
| 0607-17 | 2019-04-08. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. SPN 96 (MCM) (GHG17) |
| 0609-17 | 2019-04-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SPN 3226 (ACM) (GHG17) |
| 0603-17 | 2019-04-08. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel System Integrity Check Routine - Two-Filter Fuel System |
| 0608-17 | 2019-04-08. Service bulletin. FUEL/PROPULSION SYSTEM. Diagnostic tests - Two Filter System - FSIC Leak Test |
| 0604-17 | 2019-04-08. Service bulletin. POWER TRAIN. SPN 712 (CPC) (GHG17) |
| sbw0002 | 2019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Publications Ordering |
| sbw5464 | 2019-04-08. Service bulletin. FUEL SYSTEM, DIESEL. Fuel Level Sending Unit Retrofit |
| FL773 Lowmax Bra | 2019-04-01. Service bulletin. SERVICE BRAKES, AIR:DISC. Recall Bulletin FL773 Lowmax Brake Hoses |
| 0701-17 | 2019-04-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SPN 168 (CPC3) (GHG17) |
| sbw54065 | 2019-04-01. Service bulletin. ENGINE. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge |
| 0701-17 | 2019-04-01. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SPN 168 (CPC3) (GHG17) |
| sbw54065 | 2019-04-01. Service bulletin. ENGINE. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.