Service bulletins for the 2024 Kenworth W990
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.
56 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Engine are shown. Show all
| CE031 | 2026-03-05. Warranty extension. ENGINE. Fuel Injection Pump part number 2344776PEX for MX-13 engines has been added to this warranty policy. |
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| CE033 | 2025-08-05. Warranty extension. ENGINE. 32 fuel injector part numbers (16 for MX-11 and 16 for MX-13) have been added to this warranty policy. |
| R2306 - KW | 2025-07-02. Service bulletin. ENGINE. EMUX retrofit procedures updated to make it clear that the VECU3 must have software updated and vehicle mileage confirmed correct before updating the Digital Display. Parts and Procedure section also updated to include the Vehicle Emissions Control Information label ordering and installation instructions. This label is required for all chassis involved in R2306. Included additional reference to Cummins bulletin C7014 in the procedure section for ordering emissions labels. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.