Eaton 6421 Series 1 Piston Pump Seal Kit 44.45*63.5*7.98,108395-000/108395-001,990709-000 for John Deere RE213516 Case IH 1346112C2 Dynapac 376046 Bomag 05740467

Eaton 4621 pump repair kit is the official overhaul spare part for Eaton 115 series closed-loop variable piston pump.
Mainly applied to hydraulic drive system of concrete mixer trucks, also widely used in construction machinery, metallurgical equipment, marine deck machinery and large agricultural machinery.
This repair kit includes sealing components and rotating assembly parts, to solve pump internal leakage, external oil leaking and pressure drop issues under continuous heavy load, high pressure and impact vibration working conditions.
Working medium: mineral anti-wear hydraulic oil. Not suitable for water-based or corrosive fluid without special material version.
Bullet Points

✅ Official matching repair kit for Eaton 4621 (115 series) closed-loop piston pump
✅ Core application: Concrete mixer truck hydraulic main pump
✅ For heavy-duty continuous operation with pressure fluctuation & vibration shock
✅ Fix internal leakage, external oil leak, insufficient pressure, worn valve plate & piston assembly
✅ Suitable for construction, metallurgy, marine and agricultural hydraulic equipment
✅ Medium: mineral anti-wear hydraulic oil

Keywords

4621 pump repair kit, Eaton 115 piston pump overhaul kit, hydraulic pump seal kit, concrete mixer truck hydraulic spare parts, closed loop piston pump repair parts