Product Details
Aftermarket sprocket (21t-18bh) for Caterpillar 320D FM RR, 320D2 FM Track Excavators.
Use the Parts Request form and include your machine details. CSC will confirm fitment, availability, and current pricing before creating an order.
Known Equipment Fitment Sample
| Make | Type | Model | Section | Qty |
| Caterpillar | Excavator (Track) | 320D FM RR | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 320D2 FM | 2 |