replacement cylinder head, part number 31B01-31021, for CAT excavator and compatible heavy-equipment applications.
- Primary part number: 31B01-31021
- Alternative part numbers: None listed
- Compatible brands: CAT, Cub Cadet, Mitsubishi, OTHER BRAND
- Equipment type: Engine, Excavator, Tractor
- Application reference: Mitsubishi Engine S3L S3L2 S3L-Y1 Excavator 303 302.5C 303CR
- Engine models: S3L S3L2 S3L-Y1
- Condition: replacement
Please verify the primary/alternative part number, connector, dimensions, machine model and engine serial number before ordering.





