Latest 2003 Western Star 4900ex Technical Service Bulletins

• 2003 Western Star 4900ex Engine And Engine Cooling Service Bulletin 335595

  NHTSA Item Number: 10044353 Date of Bulletin: May 01, 2012

  Service Bulletin Number: SB-49-12 Component: Engine And Engine Cooling

• 2003 Western Star 4900ex Fuel System, Diesel Service Bulletin 335596

  NHTSA Item Number: 10044353 Date of Bulletin: May 01, 2012

  Service Bulletin Number: SB-49-12 Component: Fuel System, Diesel