| Delivery Time | 3-7 Day |
| Supply Ability | 100 PCS / Months |
| Warranty | 1 Year |
| Condition | New |
| Application | Excavator |
| Part name | Hydraulic Arm Cylinder |
| Emission standards | Stage V |
| Packaging Details | Wooden Case Packing |
| Model | PC450LC-6K PC450-6K |
| Product name | 208-63-K2120 |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Quality | Aftermarket High Quality |
| Place of Origin | China |
| Certification | CE |
| Model Number | PC450LC-6K PC450-6K |
| Brand Name | Belparts |
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Product Specification
| Delivery Time | 3-7 Day | Supply Ability | 100 PCS / Months |
| Warranty | 1 Year | Condition | New |
| Application | Excavator | Part name | Hydraulic Arm Cylinder |
| Emission standards | Stage V | Packaging Details | Wooden Case Packing |
| Model | PC450LC-6K PC450-6K | Product name | 208-63-K2120 |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air | Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Quality | Aftermarket High Quality | Place of Origin | China |
| Certification | CE | Model Number | PC450LC-6K PC450-6K |
| Brand Name | Belparts |
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| Hydraulic Parts | Hydraulic Pump | Final Drive | Travel Reduction |
|---|---|---|---|
| Swing Motor | Swing Reduction | Control Valve | Gear Parts |
| Slew Bearing | Engine Assembly | Hydraulic Cylinder | ECU |
This reliable aftermarket hydraulic arm cylinder is engineered to replace the original component on Komatsu PC450LC-6K and PC450-6K medium-heavy excavators. As a key part of the working mechanism, it drives the arm to extend and retract steadily, adapting to daily construction, road engineering and material handling tasks. Produced in strict accordance with original industrial standards, this cylinder features identical mounting dimensions, pin hole spacing and hydraulic port layout. It allows direct on-site installation without any cutting, welding or extra adjustments.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Arm Cylinder |
| Applicable Model | Komatsu PC450LC-6K, PC450-6K |
| OEM Part Number | 208-63-K2120 |
| Product Grade | Brand New Premium Aftermarket |
| Warranty | 12-month coverage against manufacturing defects |
| MOQ | 1 unit, ample stock for immediate dispatch |
| QC Standard | ISO9001 certified, full hydraulic pressure and cycling tests before delivery |
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| Spec Item | Data |
|---|---|
| Bore Diameter | 140mm |
| Piston Rod Diameter | 95mm |
| Working Stroke | 1460mm |
| Rated Working Pressure | 32.0MPa |
| Factory Test Pressure | 48.0MPa (1.5 times the rated working pressure) |
| Barrel Material | High-strength seamless alloy steel with fine inner honing treatment |
| Piston Rod | 40CrMo heat-treated steel, coated with 28~32μm hard chrome, hardness HRC68~72 for excellent wear and bend resistance |
| Matching Seal Kit PN | 208-63-K2120K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure | Double ear lugs fitted with durable copper wear bushings, built-in buffer structure to reduce operating impact |
Our factory focuses on manufacturing hydraulic cylinders for Komatsu mid-range excavator models for over a decade. We supply a complete series of boom, arm and bucket cylinders for PC400, PC450 and PC500 series. Our products have gained consistent recognition from clients and are widely exported to construction machinery aftermarket markets across Africa, Southeast Asia and the Middle East.
Q1: Can this arm cylinder be used on PC450-7?
A: It cannot be used interchangeably. PC450-7 adopts independent part numbers and different structural sizes, please confirm the equipment model before ordering.
Q2: Does the standard package include the seal repair kit?
A: Seal kit is not included in standard products. You can purchase the dedicated repair kit separately, and enjoy a favorable combined price when buying together.
Q3: What packaging is adopted for long-distance sea transportation?
A: The cylinder is filled with anti-rust oil inside, the piston rod is coated with anti-rust grease, then wrapped with waterproof PE film and packed in sturdy export plywood cases.
Q4: Is there a preferential price for purchasing a full set of working cylinders?
A: Full set orders enjoy tiered discounts. We also provide consolidated shipment service to save your total logistics cost.
Q5: What support will be provided if oil leakage occurs within the warranty period?
A: Please provide clear photos of the leakage area and the excavator serial number. We will arrange free seal replacement and professional remote technical guidance in time.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2013
Total Annual:
900000-3000000
Employee Number:
50~93
Ecer Certification:
Verified Supplier
GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service.... GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service....
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