AP2D21 Hydraulic Pump Repair Kit For Small Medium Excavator Construction Machinery
AP2D21 hydraulic pump repair kit is complete aftermarket overhaul spare parts for Uchida hydraulic pump of small & medium heavy excavator construction machinery. This repair kit contains matched wear-resistant hydraulic parts to fully restore hydraulic output performance of excavation equipment after maintenance.
- Small mining, quarry light earthmoving excavation operation
- Highway, bridge and municipal infrastructure construction projects
- River dredging, land reclamation and urban road renovation engineering
- Residential & commercial building foundation excavation
- Long-term continuous medium-load daily construction site operation
- Hydraulic pump oil leakage caused by aging internal seals and worn valve plate
- Insufficient pump pressure, slow moving speed of excavator arm & bucket
- Equipment vibration, abnormal noise and pump overheating during work
- Worn piston & shoe leading to weak digging power and low efficiency
- Short service life of original pump parts, frequent pump maintenance downtime
- 100% matched size for AP2D21 Uchida pump, direct replacement without modification
- High strength alloy & wear-resistant rubber materials, long service life
- Full factory pressure testing before shipment, stable hydraulic output
- Support 1pc trial order & mass bulk wholesale for global repair workshops & spare parts dealers
- Standard export wooden case packaging to avoid transit collision damage
- 6 months factory warranty for all aftermarket hydraulic overhaul kits
| Product Category | Hot Main Models & Part Numbers |
|---|---|
| Hydraulic Main Pump | AP2D21, AP2D36, A8VO225, 1250-7, 1250-8, AP2D18 |
| Swing Hydraulic Motor | 200-6, 200-7, 360-7, 450-7, 450-8 Swing Motor Assembly |
| Travel Final Drive Motor | 200-7, 360-7, 450-8, GM35, GM60 Travel Motor Spare Parts |
| Engine Spare Parts | 6BG1, 4JG1, 6HK1, Engine Overhaul Kit, Piston, Cylinder Liner |
| Main Control Distribution Valve | Full Control Valve Assembly, Valve Plate, Spool Repair Kit |
| Hydraulic Overhaul Repair Kit | AP2D21 Repair Kit, AP2D36 Repair Kit, Swing Motor Seal Kit |
A1: It applies to mining, quarry, highway construction, municipal infrastructure and foundation excavation for small medium excavator machinery.
A2: It solves pump oil leakage, low hydraulic pressure, slow arm action, vibration and pump overheat failure of small excavator hydraulic system.
A3: Yes, it is brand new aftermarket overhaul kit, fully compatible with AP2D21 Uchida hydraulic pump for small medium excavator construction machinery.
A4: Yes, our MOQ is 1 piece, we have sufficient factory stock for global repair shops and spare parts distributors.
A5: We provide 6 months factory warranty for all hydraulic aftermarket overhaul spare parts.
A6: We supply full series excavator spare parts including hydraulic main pump, travel final drive motor, engine parts, distribution control valve and all swing motor overhaul kits.
Global excavator repair shops & spare parts suppliers are welcome to send inquiry for stable factory supply. If you cannot confirm matching size, send your pump model number for free technical matching verification.
