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Service bulletin sbw5464

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 id10141786
Published by NHTSA2018-06-18
Manufacturer's numbersbw5464
Manufacturer's date2018-02-26
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY

NHTSA's summary

sbw5464 Fuel Level Sending Unit Retrofit

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

Fuel system

Vehicles listed
WESTERN STAR 47002018, 2019
WESTERN STAR 49002018, 2019
WESTERN STAR 57002018, 2019
WESTERN STAR 69002018, 2019
WESTERN STAR CONSTELLATION
WESTERN STAR HERITAGE

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

Recalls for the same vehicles and component
20212712021-05-07. Fuel System
21V3260002021-05-07. FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
20184692018-08-31. Fuel System
17V4500002017-07-19. FUEL SYSTEM, DIESEL
20173582017-07-18. Fuel System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PB-47-900-WST2026-07-06. Service bulletin. Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
SS10330942021-06-09. Service bulletin. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
WSTCAE161-20172021-05-18. Service bulletin. Volume-Based Rectangular Fuel Tank Change
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.
TS10330142020-07-31. Service bulletin. Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines. Occasionally we see trucks come in with fuel leaking from the high pressure fuel pump weep hole. This is NOT a defect in the pump and further diagnostics need to be performed to find the root cause.
SB47-0152019-09-28. Service bulletin. Service Bulletin for Equiflo Fuel System Breather Tube Inspection
0609-192019-08-08. Service bulletin. Service Information Bulletin for Symptom Diagnostics - Fluid in the Aftertreatment - Diesel Fuel Contamination.
19TS-62019-08-08. Service bulletin. The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging.
18SP730Rev2019-08-08. Service bulletin. 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.
0611-192019-08-08. Service bulletin. Service Information Bulletin was released, to add new procedures to address diagnostics near the high pressure pump