Caterpillar part numbers starting 5N4
| 5N4497 | Bushing (shut off, air) | Caterpillar | ||
| 5N4718 | Gasket (shutoff, mechanical) | Caterpillar | ||
| 5N4727 | Cover (shutoff, mechanical) | Caterpillar | ||
| 5N4728 | Seat (shutoff, mechanical) | Caterpillar | ||
| 5N4729 | Guide (shutoff, mechanical) | Caterpillar | ||
| 5N4990 | Tube assembly (shutoff, mechanical) | Caterpillar |