One New Aftermarket Replacement Swing Cylinder Seal Kit Fits Kubota KX121-3 Compact Excavator
This aftermarket replacement swing cylinder seal kit restores hydraulic integrity to the swing cylinder on Fits Kubota KX121-3 and KX121-3S compact excavators. Designed for a 45 mm rod and 80 mm bore swing cylinder, the kit includes a wiper seal, U-cup, piston seal, and O-ring and backup seals — everything needed to rebuild a leaking swing cylinder without replacing the entire assembly.
Specifications
- Rod Diameter: 45 mm
- Bore Diameter: 80 mm
- Cylinder Type: Swing
- Kit Contents: Wiper seal, U-cup, piston seal, O-ring, and backup seals
Compatible Models
Fits Kubota KX121 Series: KX121-3 (Swing), KX121-3S (Swing)
Replaces Part Number(s):
RD118-71270, HYI40-0677
New aftermarket replacement part – not remanufactured, not used.
