Caterpillar Carrier Roller Group 300-4545 is a carrier roller product that supports the upper track chain and helps maintain alignment. It is listed for Caterpillar heavy-equipment applications; use part number 300-4545 as the primary identification reference.
- Part Number: 300-4545
- Brand: Caterpillar
- Product Category: Carrier Roller
- Equipment Type: Generator Set, Undercarriage, Oem Mob Hyd Pwr Unit, Hex Based Spl Solution, Excavator, Mobile Hyd Power Unit
- Compatible Models: 3512B, OEMS, 336MHPU, 330F OEM, 336E LN, 340, 336 MHPU, 340F, 336E LH, 330D MH, 336 GC, 328D LCR, 329D LN, 336F LNXE, 329F L, 336D2 XE, 335F LCR, 329D L, 325D L, 336D2 LXE, 323F SA, 336D, 336E, 312D, 336F, 336F LN XE, 336D2 L, 336F LN, 330D LN, 329E LN
- 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.





