PC150LC-6 PC150-6 Hydraulic Bucket Cylinder for Komatsu Excavator Spare Parts 21P-63-K1901 21P-63-03130 Aftermarket High Quality
More Branded Accessories are Available
| Hydraulic Parts | Hydraulic Pump | Final Drive | Travel Reduction |
| Swing Motor | Swing Reduction | Control Valve | Gear Parts |
| Slew Bearing | Engine Assembly | Hydraulic Cylinder | ECU |
Aftermarket replacement bucket cylinder for Komatsu PC150-6 / PC150LC-6 / PC160-6K Excavator (Serial No.: K30667 & above), OEM part numbers: 21P-63-K1901, 21P-63-03130, fully interchange original factory bucket cylinder for bucket opening/closing during digging, loading & earthmoving projects. 1:1 OEM dimension, direct plug-and-fit installation without mechanical modification.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Bucket / Dipper Cylinder |
| Fit Machine | Komatsu PC150-6, PC150LC-6, PC160-6K |
| OEM PN | 21P-63-K1901, 21P-63-03130 |
| Quality | Brand New High-Grade Aftermarket |
| Warranty | 12 months against production defects |
| MOQ | 1 unit in stock available |
| QC Standard | ISO9001 certified, full high-pressure leak test before delivery |
| Spec Item | Data |
|---|---|
| Cylinder Bore | 105mm |
| Piston Rod Diameter | 70mm |
| Rated Working Pressure | 31.4MPa |
| Factory Test Pressure | 47.1MPa (1.5 times nominal working pressure) |
| Tube Material | ST52 seamless alloy steel, precision inner honing |
| Piston Rod | 40CrMo quenched & tempered, hard chrome plating 28~32μm, surface hardness HRC67~70 anti-wear & anti-rust |
| Matching Seal Kit PN | 21P-63-03130K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure | Double lug with copper wear bushing, built-in buffer cushion to reduce impact load |
- Complete OEM Compatibility: Same pin spacing, oil port layout and overall length as genuine Komatsu spare part, match original bucket linkage and hydraulic piping perfectly.
- Reinforced Heavy-Duty Design: Thickened lug root to avoid crack under frequent heavy digging load for construction, quarry and landscaping sites.
- Strict Pre-shipment Inspection: Full-stroke reciprocating cycling test + high-pressure tightness inspection to eliminate inner & outer oil leakage.
- Cost-Effective Solution: Save 40%~50% purchasing cost vs original Komatsu cylinder with equivalent service lifespan, ideal for global spare parts dealers & repair workshops.
- Flexible Shipment: In-stock items ship within 3 working days; urgent order via air freight (3~7 days), bulk wholesale by sea (30~40 days).
Our factory specializes in Komatsu 6-series hydraulic cylinders for over 11 years, full boom/arm/bucket cylinder range for PC120-6/PC130-6/PC150-6/PC200-6, products widely exported to Southeast Asia, Africa, Middle East aftermarket market.
A: Not compatible, PC150-7 uses different part number and cylinder dimension.
A: Standard cylinder excludes seal set; bundled discount available if ordering matching repair kit together.
A: Anti-rust hydraulic oil filled inside barrel, piston rod coated anti-rust grease, wrapped waterproof PE film + solid export plywood case for long ocean transit.
A: Tiered wholesale price + consolidated shipment to cut total logistics expense.
A: Provide leakage photos + machine serial number, we offer free replacement seal kit or remote installation guidance.
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