Ed,

The base part number for the caps is VSAL00. The prefix cahnges based on tube size. 9.53 is 3/8 tube, 13 is 1/2 inch tube, 16 is 5/8 inch tube, 19 is 3/4 tube. So, a 3/8 cap would be 9.53VSAL00

Sorry I forgot to post this yesterday, I had a class last ... Login to read more.