While crusing through the isles at my local Osh hardware store, came across 1" corregated water hose that looked a lot like the ones that are deteriorating in my car. Took a sample in to compare and it's a nice match. The Osh hose is shiney, otherwise a nice replacement.

Label says: BECKET WATER GARDEN SYSTEM
Z010BC
1" X 20'
$26.00