The contact owns a 2016 Cadillac SRX. The contact received notification of NHTSA Campaign Number: 21V473000 (SUSPENSION); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.