AutoZone can special order them...
SU4349 - $89.99
O'Reilly Auto can special order them... Their website says they can have it in less than 24 hrs at your local store...
CSS836 - 74.99
Napa Online shows them available... but you'll have to check the local store for availability in stock. They even have a pretty picture of it:
DEMSS10510 - $114 list. But Napa in-store prices are rarely ever list.
RJ