Caterpillar Cabin Heater Core 418-5866 is a heater core product that transfers engine-coolant heat into cab airflow. It is listed for Caterpillar heavy-equipment applications; use part number 418-5866 as the primary identification reference.
- Part Number: 418-5866
- Brand: Caterpillar
- Product Category: Heater Core
- Equipment Type: Track Loader, Skid Steer Loader
- Compatible Models: 249D, 239D, 249D3, 239D3, 232D3, 226D, 226D3, 232D
- 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.





