The 17A-22-12150 Piston is a precision-engineered hydraulic cylinder component specifically designed for Komatsu D155 and D275 bulldozers. Manufactured from premium-grade materials and built to OEM specifications, it delivers excellent sealing performance, reliable hydraulic force transmission, and exceptional durability under continuous heavy-duty 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 mining, quarry, and large-scale earthmoving 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
D155, D275
System
Engine combustion system
Weight
18.6 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 D155 and D275 bulldozers
Manufactured from premium high-strength alloy steel for superior durability and wear resistance
Precision-machined to OEM specifications to ensure accurate fit and reliable hydraulic performance
Provides outstanding sealing performance for efficient and stable hydraulic cylinder operation
Designed to withstand high-pressure hydraulic systems and continuous heavy-duty workloads
Minimizes internal leakage while improving hydraulic efficiency and extending component service life
Direct replacement for the original Komatsu piston with fast and easy installation
Backed by a 6-month warranty
Compatible Machine
Part Number: 17A-22-12150
This piston is compatible with:
Komatsu D155 Bulldozer
Komatsu D275 Bulldozer
It is commonly used in the hydraulic cylinder system of Komatsu crawler dozers operating in demanding mining and construction environments.
If you’re unsure whether 17A-22-12150 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 17A-22-12150 Piston is a critical hydraulic cylinder component that delivers reliable force transmission and stable hydraulic performance in heavy-duty applications, including:
Open-pit mining
Quarry operations
Heavy earthmoving
Land clearing
Infrastructure construction
Road construction
Bulk material handling
Its heavy-duty construction helps improve hydraulic cylinder efficiency, reduce maintenance frequency, and provide dependable long-term performance under severe operating conditions.
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 equipment brands.
We provide:
Genuine, OEM, and high-quality aftermarket Komatsu parts
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 complete range of Komatsu replacement parts.
Packaging & Shipping
Every 17A-22-12150 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 17A-22-12150 Piston for Komatsu D155 / D275?
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 bulldozer hydraulic system maintenance requirements.
