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320CL Hydraulic Boom Cylinder | PN:204-3614 / 2043614 | Premium Aftermarket Replacement
1. Basic Product Info
This heavy-duty aftermarket hydraulic boom cylinder is precision manufactured as a direct interchangeable replacement spare part for 320CL medium excavators. As the core hydraulic power component of front working assembly, it controls boom lifting and lowering to finish heavy digging, bulk material hoisting, ground leveling and loading tasks. Widely applied in municipal engineering, road reconstruction, stone quarries and medium-sized earthmoving projects.
All cylinders are strictly produced in accordance with OEM technical standards, with fully consistent mounting dimensions, pin hole spacing and hydraulic port layout. Direct bolt-on installation can be completed on site without cutting, welding or any secondary modifi ion work.
| Item |
Specification |
| Product Name |
Hydraulic Boom Cylinder |
| Applicable Model |
320CL Excavator |
| OEM Part Number |
204-3614, 2043614 (Two codes correspond to one cylinder assembly) |
| Product Grade |
Brand New High-Quality Aftermarket |
| Warranty |
12 months against manufacturing defects |
| MOQ |
1 unit, ample stock for immediate delivery |
| QC Standard |
ISO9001 certified, full hydraulic pressure & cyclic fatigue tests before shipment |
2. Core Technical Parameters
| # |
Part No. |
Description |
Qty |
| All |
2043614 |
CYLINDER & SEAL GROUP-BOOM; (BOOM) |
1 |
| 1 |
3B8489 |
FITTING-GREASE; (FAN AND ALTERNATOR DRIVE) |
1 |
| 2 |
0960854 |
SEAL; (ID=79.85mm) |
2 |
| 3 |
1589058 |
CYLINDER GROUP-BOOM |
1 |
| 4 |
1661494 |
SEAL; (ID=79.85mm) |
2 |
|
---- |
SEPARATE ILLUSTRATION |
|
| Spec Item |
Data |
| Bore Diameter |
128mm |
| Piston Rod Diameter |
84mm |
| Working Stroke |
1340mm |
| 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, outstanding wear resistance & anti-deformation performance |
| Matching Seal Kit PN |
204-3614K |
| Working Temperature |
-25℃ ~ +85℃ |
| Structure Feature |
Double ear lugs with quenched copper wear bushings, built-in buffer device to reduce recipro ing impact |
3. Product Advantages
- Dual PN OEM Universal Fitment
204-3614 and 2043614 are two coding formats for the same boom cylinder. All structural dimensions perfectly match original components, seamlessly connecting boom linkages and hydraulic pipelines to ensure stable continuous medium-heavy load operation.
- Medium-Heavy Reinforced Construction
Thickened cylinder barrel and connecting lugs are optimized for harsh quarry and construction environments, resisting long-term cyclic loads and accidental collisions to greatly extend service life.
- Multi-Round Strict Pre-Delivery Inspection
Each finished cylinder undergoes repeated full-stroke cycle tests and high-pressure airtight leak detection, completely eliminating hidden internal and external oil leakage risks.
- Excellent Cost Performance
It delivers identical stability and durability as genuine OEM spare parts, effectively cutting recurring procurement costs for repair shops and spare parts wholesalers.
- Flexible Global Logistics Support
In-stock goods can be dispatched within 3 working days. Air freight meets urgent breakdown orders; sea freight offers the most cost-effective solution for bulk wholesale shipments.
4. Supplier Brief
Our factory has more than ten years of mature experience in R&D and manufacturing hydraulic cylinders for classic CL series excavators including 320CL. We supply complete boom, arm and bucket cylinder assemblies with sophisti ed production craftsmanship and full-process strict quality control systems. Our aftermarket hydraulic cylinders are exported to aftermarket markets across Africa, Southeast Asia and the Middle East all year round, winning long-term trust and consistent favorable feedback from global spare parts dealers.
5. FAQ
Q1: Can this boom cylinder fit 320BL or 325CL excavators?
A: No. Different excavator models adopt exclusive part numbers and unique structural dimensions without interchangeability. Please confirm your complete machine model before placing orders.
Q2: Does the standard package include the matching seal repair kit?
A: The seal repair kit is not included in standard delivery. You can purchase the dedi ed supporting seal kit separately, and we will offer a competitive combined order quotation.
Q3: What packaging is adopted for long-distance overseas sea transportation?
A: Anti-rust oil is injected into cylinder inner cavity, anti-rust grease evenly coated on piston rod surface. The whole cylinder is wrapped with waterproof PE film and packed in reinforced export plywood cases to avoid collision, scratch and moisture damage during ocean transit.
Q4: Are there tiered volume discounts when purchasing a full set of boom + arm + bucket cylinders?
A: Yes. Complete working device cylinder set orders enjoy graded volume discounts. Consolidated container shipment service is available to lower total logistics expenses.
Q5: What after-sales technical support is available if oil leakage occurs within the 12-month warranty period?
A: Please provide clear photos of the leakage position plus your excavator serial number. We will arrange free seal replacement and professional remote troubleshooting guidance promptly.
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