Caterpillar Front Idler Bushing 553-5516 is a front idler product that guides the track chain and contributes to correct track tension. It is listed for Caterpillar heavy-equipment applications; use part number 553-5516 as the primary identification reference.
- Part Number: 553-5516
- Brand: Caterpillar
- Product Category: Front Idler
- Equipment Type: Mini Excavator
- Compatible Models: 301.8, 301.9, 301.7CR, 302CR, 301.6, 301.5
- 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.





