BELPARTS MACHINERY LIMITED
| Certifiion | CE |
| Part name | Hydraulic Boom Cylinder |
| Part number | 099-0663 099-0662 0990663 0990662 |
| Quality | Aftermarket High Quality |
| Supply Ability | 100 PCS / Months |
| Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Delivery Time | 3-7 Day |
| Condition | New |
| Emission standards | Stage V |
| Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Warranty | 1 Year |
| Model | 120B |
| Packaging Details | Wooden Case Packing |
| Appliion | Excavator |
| Model Number | 120B |
| Brand Name | Belparts |
| Place of Origin | China |
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Product Specification
| Certifiion | CE | Part name | Hydraulic Boom Cylinder |
| Part number | 099-0663 099-0662 0990663 0990662 | Quality | Aftermarket High Quality |
| Supply Ability | 100 PCS / Months | Shipment | DHL FEDEX TNT EMS UPS / Ses / Air |
| Delivery Time | 3-7 Day | Condition | New |
| Emission standards | Stage V | Payment Terms | L/C,D/A,D/P,T/T,TRADE ASSURANCE,WEST UNION,PAYPAL |
| Warranty | 1 Year | Model | 120B |
| Packaging Details | Wooden Case Packing | Appliion | Excavator |
| Model Number | 120B | Brand Name | Belparts |
| Place of Origin | China | ||
| High Light | 120B hydraulic boom cylinder ，excavator spare parts cylinder ，aftermarket hydraulic cylinder assy | ||
This reliable aftermarket hydraulic boom cylinder is professionally manufactured as a direct OEM replacement for 120B medium excavators. As the core hydraulic power component of the front working group, it controls boom lifting and lowering to complete excavation, material lifting, ground leveling and loading tasks. Widely used in municipal engineering, road renovation, residential construction and general earthmoving jobs.
All products are produced strictly following original technical drawings and OEM standards, with identical mounting dimensions, pin hole spacing and hydraulic port layout. Direct bolt-on installation is available on site without cutting, welding or extra modifiion work.
| Item | Specifiion |
|---|---|
| Product Name | Hydraulic Boom Cylinder |
| Applicable Model | 120B Excavator |
| OEM Part Number | 099-0663, 099-0662, 0990663, 0990662 |
| Product Grade | Brand New High-Quality Aftermarket |
| Warranty | 12 months against manufacturing defects |
| MOQ | 1 unit, sufficient stock for fast shipment |
| QC Standard | ISO9001 certified, full hydraulic pressure & cyclic fatigue tests before delivery |
| # | Part No. | Description | Qty |
|---|---|---|---|
| All | ---- | FRONT LINES | 1 |
| Spec Item | Data |
|---|---|
| Bore Diameter | 110mm |
| Piston Rod Diameter | 72mm |
| Working Stroke | 1150mm |
| Rated Working Pressure | 31.4MPa |
| Factory Test Pressure | 47.1MPa (1.5 times rated working pressure) |
| Barrel Material | High-tensile seamless alloy steel with precision inner honing |
| Piston Rod | 40CrMo heat-treated steel, 28~32μm hard chrome plating, HRC68~72, great wear & anti-bending performance |
| Matching Seal Kit PN | 099-0663K |
| Working Temperature | -25℃ ~ +85℃ |
| Structure | Double ear lugs with quenched copper wear bushings, built-in buffer to reduce operation impact |
Our factory has over 10 years of experience developing and producing hydraulic cylinders for classic series excavators, including 120B and other old & new models. We supply complete boom, arm and bucket cylinders with mature production craft and strict full-process QC. Our goods are exported to aftermarket markets in Africa, Southeast Asia and the Middle East, winning consistent trust and positive reviews from global dealers.
Q1: Can this boom cylinder fit 120A or 140B excavators?
A: No. Each model uses exclusive part numbers and unique structural sizes which cannot be cross-used. Please confirm your excavator full model before ordering.
Q2: Does the standard package include seal repair kit?
A: Seal kit is not included in standard package. You can buy the matching seal kit separately, and we will offer a favorable combined order price.
Q3: What packaging is used for long sea transportation?
A: Anti-rust oil inside cylinder cavity, anti-rust grease coated on piston rod. Wrapped with waterproof PE film and packed in reinforced export plywood cases to prevent moisture and collision damage.
Q4: Any discount for full set cylinders (boom+arm+bucket)?
A: Yes, tiered volume discounts for full working device cylinder sets. Consolidated container shipment service is available to save total logistics cost.
Q5: What after-sales support if oil leakage occurs under warranty?
A: Send clear photos of leakage area plus excavator serial number. We provide free seal replacement and professional remote technical guidance promptly.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2013
Total Annual:
$28000000-$41660000
Employee Number:
1200~1300
Ecer Certification：
Verified Supplier
Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha... Since 2013 Excavator Hydraulic Parts Manufacturer & Global Supplier Since 2013 Belparts Machinery Limited — Your Trusted Partner in Excavator Hydraulic Parts Who We Are Founded in September 2013 and headquartered in Guangzhou, China's premier engineering machinery hub, Belparts ha...
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