sounds strange, unless this is “sleepy hollow town department in charge of turtle crossing in Anchorage” 
IMHO, it may rack up a lot of engine idle hours on the clock, so it’s not necessarily a bargain it looks to be
all the things of rubber and plastic are 18 years old, so every plastic clip you touch and every rubber house (read: brake lines and engine vacuum/coolant) are brittle and I would replace these preemptively or as you get there with routine work