KOMAC KB300 Construction Machinery Parts Hydraulic Rock Breaker Piston High Quality Spare Parts for Hydraulic Hammer Piston
Place of Origin:China
Brand Name:Huilian
Certification:CE
Model Number:KB300 Piston
Minimum Order Quantity:1 PCS
Price:Negotiable
Payment Terms:L/C, D/A, D/P, T/T, Western Union
Supply Ability:1000 Pieces per Month
Product Details
Type:
KOMAC Hydraulic Rock Breaker Parts
Part Name:
KB300 Hydraulic Hammer Piston
Model:
KB250 KB300 KB350
Application:
KB250 KB300 KB350 Hydraulic Hammer
Material:
Crmo40 Crmo42
Oem:
Available, Acceptable OEM Service
Applicable Industries:
Machinery Repair Shops, Construction Works, Energy & Mining, Manufacturing Plant
Product Description
KOMAC KB300 Hydraulic Breaker Hammer Piston for Excavators High Quality 42CrMoA Alloy Steel breaker parts
| Parts name | KB300 Hydraulic Hammer Piston |
|---|---|
| Model | KB250 KB300 KB350 |
| Delivery Time | 1-12 Work days |
| Position | Hydraulic Cylinder System |
| Material | Crmo40 Crmo42 |
| Brand | HUILIAN, or as required |

We could supply the following brand Rock Breaker parts
About Guangzhou Huilian Hydraulic Technology
Guangzhou Huilian Hydraulic Technology Co., Ltd. is a specialized manufacturer of hydraulic breaker hammers, built on the core principle “Quality Changes the Future.” With over 17 years of industry experience, we provide full lifecycle solutions for premium hydraulic breakers and OEM-compatible spare parts—from R&D and production to after-sales service—supporting nearly all major global brands.
Leveraging a comprehensive technical database and precision manufacturing capabilities, we produce reliable, interchangeable components for leading brands including Atlas Copco, Komatsu, CAT, Furukawa, Montabert, Indeco, NPK, Soosan, Krupp, JCB, and Rammer. Our complete product range includes seal kits, pistons, diaphragms, cylinders, front/back heads, chisels, accumulators, bushings, through bolts, valve sleeves, and charging kits—all engineered to meet or exceed OEM specifications.
Partnering with us means access to precision-engineered, durable, and cost-effective solutions that minimize equipment downtime. We are your trusted one-stop supplier for aftermarket hydraulic breaker parts.


FAQ
Q1: Are you a manufacturer?
Yes, we are a direct factory manufacturer, established in 2009.
Q2: Will your parts fit my hydraulic breaker?
Our parts are compatible with most major hydraulic breaker models. Simply provide your breaker’s model number, and we will confirm the exact fit for you.
Q3: What are your key advantages?
We stand out with fast lead times, strict quality control, responsive customer support, and advanced manufacturing technology.
Q4: Which countries do you export to?
We currently export to Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, and other markets worldwide.
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