Drew Blickendersfer, who oversaw Kenseth's victory in last year's Daytona 500 on his debut alongside the former series champion, has been replaced by Todd Parrott starting from this weekend's event at Fontana, where Kenseth also won a year ago.
Parrott won the Cup title with Dale Jarrett and Robert Yates Racing in 1999, and worked with the team until last year, serving as crew chief for former Cup champion Bobby Labonte, although not for the whole season.
Blickendersfer, who had filled in for Chip Bolin, has been reassigned to a new role within Roush Fenway's research and development department.
Kenseth finished eighth in the season-opening Daytona 500 last Sunday.
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