Caterpillar (CAT) 330 Undercarriage Parts
Undercarriage parts available for the Caterpillar (CAT) 330: track roller (OEM 117-5047), carrier roller (OEM 6Y-5323), front idler (OEM 6Y-8021).
Parts on this page also fit the Caterpillar (CAT) 330B — see each part's fitment list for the exact models.
Parts list with OEM numbers
| Part | OEM part number | Fits | Details |
|---|---|---|---|
| Track Roller (bottom roller) | 117-5047 | 330, 330L, 330B L | Specs & quote |
| Carrier Roller (top roller) | 6Y-5323 | 330, 330B, 330C, 330D | Specs & quote |
| Front Idler (idler wheel) | 6Y-8021, 112-9947 | 330, 330B | Specs & quote |
Part numbers can change with machine serial ranges. Send your serial number and we will confirm before quoting.
Ordering
Send the parts you need from this list — track roller, carrier roller, front idler — and we quote them together. Each part comes from a partner factory that specializes in it, and the order is consolidated into one shipment from Xiamen.
| MOQ | 10 pcs per part number |
|---|---|
| Lead time | 7–25 days, depending on part type and quantity |
| Warranty | 12 months |
| Payment | T/T, L/C |
| Shipping port | Xiamen |