The 421-33-32331 Piston is a precision-engineered hydraulic cylinder component specifically designed for Komatsu WA470 wheel loaders. Manufactured from premium-grade materials and produced to OEM specifications, it delivers excellent sealing performance, efficient hydraulic force transmission, and outstanding durability under continuous heavy-load operation. Its robust construction helps minimize hydraulic leakage, improve system efficiency, and extend the service life of hydraulic cylinders, making it an ideal replacement part for construction, quarry, mining, and material handling applications.
Provides reliable combustion support and stable engine performance under heavy-duty conditions
Surface Treatment / Protection
Precision machined surfaces with wear-resistant treatment
Dimensions & Structure
OEM standard configuration
Function / Installation Position
Engine cylinder piston position
Operating Conditions
Heavy-duty diesel engine operation
Compatible Models
WA470
System
Engine combustion system
Weight
3.92 kg
Packaging
Industrial carton + foam protection
Lead Time
30–90 days
Shipping Method
Sea / Air / Land
Payment Method
USD / RMB / RUB
Warranty
6 months
Features & Benefits
Precision-engineered piston designed for Komatsu WA470 wheel loaders
Manufactured from premium high-strength alloy steel for superior durability and wear resistance
Precision-machined to OEM specifications for accurate fit and dependable hydraulic performance
Provides excellent sealing performance for smooth and efficient hydraulic cylinder operation
Built to withstand high-pressure hydraulic systems and continuous heavy-duty working conditions
Reduces internal leakage while improving hydraulic efficiency and extending component service life
Direct replacement for the original Komatsu piston with quick and easy installation
Backed by a 6-month warranty
Compatible Machine
Part Number: 421-33-32331
This piston is compatible with:
Komatsu WA470 Wheel Loader
It is commonly used in the hydraulic cylinder system of Komatsu WA470 series wheel loaders.
If you’re unsure whether 421-33-32331 Piston is compatible with your machine, simply provide your machine serial number (PIN) or parts catalog number, and our technical team will verify compatibility before shipment.
Applications
The 421-33-32331 Piston is an essential hydraulic cylinder component that provides reliable force transmission and stable hydraulic operation in demanding environments, including:
Quarry operations
Mining projects
Aggregate production
Heavy material handling
Earthmoving operations
Infrastructure construction
Industrial loading applications
Its heavy-duty construction helps improve hydraulic cylinder efficiency, reduce maintenance frequency, and ensure reliable long-term performance under continuous operation.
Why Choose YLCM?
YLCM specializes in supplying genuine, OEM, and premium aftermarket replacement parts for Komatsu, Caterpillar, Cummins, Hitachi, Volvo, and other leading construction and mining machinery brands.
We provide:
Genuine, OEM, and high-quality aftermarket Komatsu parts
Competitive factory-direct pricing
Strict quality inspection before shipment
Fast worldwide delivery
Professional export packaging
Technical support before and after sales
Extensive international export experience
One-stop sourcing for engine, hydraulic, transmission, electrical, and undercarriage components
In addition to hydraulic pistons, we also supply hydraulic cylinders, seal kits, hydraulic pumps, control valves, engine components, transmission parts, filters, bearings, and a comprehensive range of Komatsu replacement parts.
Packaging & Shipping
Every 421-33-32331 Piston is professionally packaged to ensure safe international transportation.
Packaging options include:
Export-standard carton packaging
Reinforced wooden crate (available upon request)
Moisture-proof and anti-corrosion protection
Sea freight
Air freight
Express courier services
Multimodal logistics solutions
Each shipment is securely packed to minimize transportation risks and ensure the product arrives in excellent condition.
Request a Quote
Looking for the 421-33-32331 Piston for Komatsu WA470?
Contact YLCM today to receive:
Latest quotation
Stock availability
Delivery lead time
Packing details
Shipping solutions
OEM part verification
Professional technical support
Our experienced sales team will respond promptly with competitive pricing and professional service tailored to your wheel loader hydraulic system maintenance requirements.
