One New Aftermarket Replacement Arm Dipper Stick Cylinder Seal Kit Fits Caterpillar (Fits CAT) 312 Excavator
This aftermarket replacement hydraulic cylinder seal kit services the stick (arm/dipper) cylinder on the Fits Caterpillar 312 excavator. It includes all seals required to rebuild cylinder numbers 1251546 and 4I8839, restoring proper hydraulic function to the stick assembly and preventing fluid leaks that cause loss of digging force and cycle speed.
Specifications
- Application: Stick (Arm/Dipper) Cylinder
- Rod Diameter: 80 mm
- Bore Diameter: 120 mm
- Compatible Cylinders: 1251546, 4I8839
Compatible Models
Fits Caterpillar (Fits CAT) 300 Series Excavators: 312
Replaces Part Number(s):
5I3047, 5I3047-A
New aftermarket replacement part – not remanufactured, not used.
