Caterpillar Cooling Fan Adapter 139-8733 is a fan product that moves cooling air through radiator and heat-exchanger assemblies. It is listed for Caterpillar heavy-equipment applications; use part number 139-8733 as the primary identification reference.
- Part Number: 139-8733
- Brand: Caterpillar
- Product Category: Fan
- Equipment Type: Shovel Logger, Excavator, Mobile Hyd Power Unit
- Compatible Models: 345C, W345C MH, 5090B, 385C, 345C L, 365B L, 385C FS, 345C MH, 385C L, 365B II, 385C L MH, 385B, 365B
- 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.





