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High‑Performance EC330B Hydraulic Boom Cylinder | Excavator Spare Parts Part No.14503654 – Premium Aftermarket Grade
1. Product Overview & Equipment Compatibility
The 14503654 hydraulic boom cylinder is a core lifting component tailored for EC330B excavators, driving boom movements in heavy‑load scenarios. Precisely engineered to match OEM parameters, it enables direct plug‑and‑play installation without modification, solving common issues like weak lifting and oil leakage to restore the excavator’s original performance.
#
Part No.
Description
8277733
VOE 14503654
Boom Cylinder
2
1
SA 1046-03961
Washer
1
2
SA 1146-03170
Cushion
1
3
SA 1146-05880
Lock nut
1
4
VOE 14503663
Head
1
5
SA 1146-06870
Pad
1
6
SA 1146-08130
Seal
1
7
VOE 14503655
Tube
1
8
VOE 14502915
Seal
2
9
VOE 14508393
Bushing
1
10
SA 9481-10003
Nipple
1
11
VOE 14508898
Rod Assy
1
12
VOE 14510109
Seal
2
13
VOE 14509197
Bushing
1
14
SA 9612-10540
Bushing
1
15
VOE 14510456
Seal
1
16
VOE 14503664
Piston
1
17
SA 9568-01500
Seal
2
18
SA 9565-11500
Ring
2
19
VOE 13963059
Set Screw
1
20
VOE 948937
Screw
16
21
SA 9511-22090
O-ring
1
22
SA 9511-12140
O-ring
1
23
SA 9556-10500
Ring
1
24
SA 9557-09500
Ring
1
25
SA 9563-21050
Seal
1
26
SA 9564-21050
Seal
1
27
SA 9566-40900
Ring
2
28
SA 9566-31400
Ring
1
29
SA 9567-21050
Ring
1
100
VOE 14512968
Sealing Kit
1
Quick Product Parameter Sheet
Parameter
Product & Logistics Details
Application
Medium‑Large Excavator Hydraulic System
Part Name
Hydraulic Boom Cylinder
Compatible Model
EC330B
Part Number
14503654
Quality Grade
High‑Quality Aftermarket
Certifications
ISO9001, CE
Warranty
12‑Month Full Warranty
Minimum Order Quantity
1 Piece
Delivery Lead Time
3‑7 Days (Air Express)
Shipping Methods
Express, Land, Sea, Railway Freight
Payment Options
T/T, Trade Assurance, PayPal
2. Technical Specifications & Material Standards
Manufactured under ISO9001 standards, this cylinder uses high‑strength seamless alloy steel for the barrel and induction‑hardened, chrome‑plated piston rods for wear resistance. Equipped with imported high‑pressure seals, it adapts to -20℃~+85℃ and passes strict leakage and fatigue tests before leaving the factory.
Engineering Attribute
Verified Data
Component Type
EC330B Hydraulic Boom Cylinder
OEM Equivalent Part No.
14503654
Core Material
High‑Strength Seamless Alloy Steel
Piston‑Rod Treatment
Induction Hardening + Chrome Plating
Sealing
Imported High‑Pressure Polyurethane Seals
Operating Temperature
-20℃ ~ +85℃
Factory Inspection
Leak Test, Fatigue Test, Precision Check
3. Why Choose Our 14503654 Boom Cylinder
We offer OEM‑level performance at 35%‑45% lower cost than genuine parts. With a flexible 1‑piece MOQ, 12‑month warranty (free replacement for non‑artificial defects), and spot inventory in Guangzhou for 3‑7‑day urgent delivery, we minimize downtime and maintenance costs.
4. Belparts Brand & Global Supply Capability
Founded in 2013, Belparts specializes in excavator hydraulic parts, offering genuine and high‑grade aftermarket options. Our parts fit, Hitachi, Komatsu, etc., and are exported to 150+ countries. We have large warehouses in Guangzhou and support multi‑mode global logistics.
5. Common Concerns of Global Excavator Parts Buyers
Q1: Can the 14503654 boom cylinder match my EC330B?
A: Provide your machine’s serial number or old cylinder photos, and we’ll ensure 100% compatible, plug‑and‑play installation.
Q2: What does the 12‑month warranty cover?
A: It covers non‑artificial defects (oil leakage, deformation, sealing failure) with free replacements and remote technical support.
Q3: How is it better than ordinary aftermarket cylinders?
A: Reinforced materials and targeted optimization for EC330B’s heavy loads give it 2‑3x longer service life than generic parts.
Q4: How is it packaged for international transport?
A: Anti‑corrosion treatment, airtight sealing, and export wooden crates ensure safety. Sea freight takes 30‑45 days; air express 3‑7 days.
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...