Caterpillar Track Sprocket 603-8539 is a sprocket product that transfers final-drive torque into the track chain. It is listed for Caterpillar heavy-equipment applications; use part number 603-8539 as the primary identification reference.
- Part Number: 603-8539
- Brand: Caterpillar
- Product Category: Sprocket
- Equipment Type: Undercarriage, Power Module, Excavator
- Compatible Models: OEMS, OEM POWER, 320, 323D3, 326 GC, 321, 320 GX, 323 GX, 333 GC, 313, 324, 320D3, 318 GC, 322, 320GX, 323, 319, 320 GC, 323 GC, 323GC
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





