Chevrolet Corvette 2015–2019 — technical service bulletin
Bulletin 24-NA-254 · NHTSA communication 11011847 · issued Nov 6, 2024
Technical service bulletin
communication type
Engine
component
2015–2019
model years
5
vehicle entries
Official summary
This service bulletin informs GM service personnel that the LT4 service engine current part number 12679879 is no longer available from General Motors. If this part is needed to service a customer vehicle, an alternate engine is available that will need to be reworked by the technician.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.