320 GC Idler Assembly — Caterpillar Excavator
Looking for a Idler Assembly for the 320 GC Caterpillar Excavator? You are in the right place. Send us your machine serial and the parts desk confirms fitment, condition and price — we normally answer within one business day. Chain, rollers and sprocket wear together. Once one item has lost material, replace the set.
Call to help verify fitment and always confirm the part number before ordering.
Pricing & availability
This part is quoted individually — new, rebuilt and used options are often available.
OEM — Factory part, full warranty, exact fitment to the machine serial.
Fits these machines
Partial list from OEM application data. Send us your model and serial and we will confirm the fit.
- Caterpillar 320 GC2016–2026MBJ – H4JSerial range
Specifications
| Specifications | Value |
|---|---|
| OEM part number | 6T-0748 |
| Machine | 320 GC (2016–2026) |
| Serial range | MBJ – H4J |
| Part category | Undercarriage & Tracks |
Undercarriage & Tracks
Other parts in this category
Fitment guarantee
If it does not fit, we make it right — fast.
Fast order processing
Most orders ship within 1–2 business days.
Real parts people
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Core return
Rebuilt core with a return label and a 30-day credit.