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Service bulletin 18SP745

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10183955
Published by NHTSA2020-12-08
Manufacturer's number18SP745
Manufacturer's date2020-11-30
NHTSA componentFUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING

NHTSA's summary

Special Publication Letter for EPA07 EPA10 Three-Filter Fuel System DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories, Fuel system, Fuel injection

Vehicles listed
FREIGHTLINER 122SD2007 to 2012
FREIGHTLINER CASCADIA2008, 2009, 2010, 2011, 2012
FREIGHTLINER CENTURY2008 to 2010
FREIGHTLINER COLUMBIA2008, 2009, 2010, 2011
FREIGHTLINER CORONADO2010, 2011, 2012
WESTERN STAR 49002009, 2010, 2011, 2012
WESTERN STAR 69002011, 2012

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SS10330942021-06-09. Service bulletin. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
18SP7442020-12-08. Service bulletin. Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.
706-132018-06-18. Service bulletin. 706-13 SPN 157-FMI 10, 15, 17, 18 - GHG14
709-132018-06-18. Service bulletin. 709-13 SPN 2798-FMI 4-EPA10-GHG14
sbw490172018-06-11. Service bulletin. Magnetized Fill Neck for Six-Gallon DEF Tanks
15TL62018-03-05. Service bulletin. 15TL6 W470589129100 ? HDEP HP Fuel Rail Test Caps
307-152018-03-05. Service bulletin. 307-15 SPN 3480 (MCM) (EPA07;EPA10;GHG14)
813-142017-11-17. Service bulletin. 813-14 Installation of the One & Two-Piece Fuel Injector Wiring Harness - Two & Three-Filter System
814-142017-11-17. Service bulletin. 814-14 FMI 3, 4: Injector Amplifier Control Valve Cylinder 1, 2, 3 Shorted to Battery and Ground