425-33-21160 Piston is a heavy-duty brake-system component designed for Komatsu wheel loaders. It works within the front axle and wheel brake assembly, providing controlled hydraulic movement of the brake mechanism for reliable braking performance. The component is listed in Komatsu parts references for the WA500-3 front axle and wheel brake system.
The 425-33-21160 Piston is a precision-engineered component used in the wheel brake system of Komatsu heavy-duty wheel loaders. Public parts catalog information places this piston within the front axle/wheel brake assembly of the WA500-3, where it works together with the cylinder, seals, guide and other brake components.
Its durable construction and precise fit make it suitable for demanding applications where reliable braking performance is essential.
Designed for Komatsu heavy-duty wheel loader brake systems
Precision fit for the corresponding brake-cylinder assembly
Supports reliable hydraulic brake actuation
Strong and durable construction
Suitable for intensive earthmoving and material-handling operations
Ideal for replacement during brake-system maintenance
Helps restore equipment performance and reduce downtime
Compatible Machine
The 425-33-21160 Piston is publicly listed for:
Komatsu WA500-3
Komatsu WA500-3H
Komatsu WA500-3L
Komatsu WA500-3LK
Public catalog information also associates the part with the front axle / wheel brake system, including brake-cooling configurations on applicable WA500-3 machines.
For WA800 or WA900, please provide the machine serial number so our technical team can verify compatibility before shipment.
Applications
The 425-33-21160 Piston is suitable for heavy-duty equipment operating in:
Mining
Quarry
Construction
Heavy Earthmoving
Large Infrastructure Projects
It is especially suitable for wheel loaders exposed to frequent loading, material handling, braking and continuous operation in demanding environments.
Why Choose YLCM?
YLCM specializes in supplying construction and mining machinery parts to customers worldwide.
We provide:
20+ Years Experience
Large Warehouse
Fast Delivery
Genuine & OEM Parts
Export to 60+ Countries
Professional Technical Support
Our product range covers hydraulic components, engine parts, transmission parts, brake components, undercarriage parts, electrical parts and other construction machinery spare parts.
Packaging
We understand that heavy-equipment components require reliable protection during international transportation.
Packaging options include:
Export-standard wooden cases
Shock-resistant protection
Rust-proof treatment
Moisture-resistant protection
Reinforced outer packaging
Customized packaging for bulk orders
Each part is carefully protected according to its size, weight and transportation requirements.
Shipping
YLCM provides flexible international shipping solutions according to the destination and order requirements.
Available transportation options include:
Sea Freight — suitable for regular and bulk shipments
Air Freight — suitable for urgent small-part orders
Multimodal logistics solutions
The final shipping method, freight cost and estimated delivery time will be confirmed in the quotation.
FAQ
Q1: What is 425-33-21160? A: 425-33-21160 is a PISTON used in the brake system of applicable Komatsu heavy equipment. Parts catalog information identifies it within the front axle/wheel brake assembly.
Q2: Which Komatsu machine is this piston confirmed for? A: Public parts information confirms the WA500-3 series, including WA500-3, WA500-3H, WA500-3L and WA500-3LK.
Q3: Is 425-33-21160 suitable for WA800 and WA900? A: Compatibility should be confirmed using the machine serial number before ordering. This helps ensure the correct configuration and part number.
Q4: Where is this piston installed? A: It is associated with the front axle / wheel brake assembly on applicable Komatsu machines.
Q5: What information should I provide before ordering? A: Please send the part number, machine model and machine serial number. Our technical team will verify compatibility.
Q6: What is the warranty? A: This product is supplied with a standard 6-month warranty.
Q7: Can YLCM arrange international delivery? A: Yes. We can provide suitable international logistics solutions based on your destination, order size and delivery requirements.
Request a Quote
Looking for 425-33-21160 PISTON for Komatsu WA500/WA800/WA900?
Contact YLCM today for:
Latest quotation
Stock availability
Compatibility verification
Delivery lead time
Export packaging details
Shipping solution
Professional technical support
Please send us your machine model, serial number and required quantity. Our sales team will verify the application and provide a competitive quotation for your project.