NAPA sells it too, below are the NAPA part numbers. (This is all made by Dorman)
Comes in 6' length.
1.25"...813-1508
1.5".....815-1002
1.75"...815-1000
2.0".....815-1001
2.25"...813-1509
2.5".....815-5008
3.5".....813-1506
4.0".....815-5007
6.0".....813-1528