Caterpillar 155mm Inner Diameter Swing Motor Friction Plate 158-8981 is a swing motor & gearbox product that supports upper-structure rotation and swing-drive power transfer. It is listed for Caterpillar heavy-equipment applications; use part number 158-8981 as the primary identification reference.
- Part Number: 158-8981
- Brand: Caterpillar
- Product Category: Swing Motor & Gearbox
- Equipment Type: Forestry Products, Excavator, Material Handler, Mobile Hyd Power Unit
- Compatible Models: 558, 385C, 5090B, 390D, 390F, 374F, 345, 385C L, 365B II, FM558, 390D L, 365C L, 390F L, 365B L, 385C FS, 365C L MH, 385C L MH, 365C, 385B, 374F L, 374D L, 345 GC, 365B, MH3295
- 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.





