Which part did you mean?
Sometimes different manufacturers use similar part numbers.
Which one of those listed below did you mean?| Crusader (18387) CRU18387 - HOSE,FORMED F RSR/HT EXH 350+ |
| Pleasurecraft Marine PCM (18387) PCM18387 - HOSE,FORMED F RSR/HT EXH 35NLA |
| Volvo Penta (18387) VOL18387 - CLAMP |