The 6745-32-2121 / 6745-32-2200CS Piston Ass'y is a precision-engineered engine component specifically designed for the Komatsu SAA6D114E diesel engine used in PC300 and PC350 hydraulic excavators. Manufactured from premium-quality materials and built to OEM specifications, it delivers excellent combustion efficiency, reliable power transfer, and exceptional durability under demanding construction and mining conditions. Its robust design helps reduce engine wear, improve fuel efficiency, and ensure long-lasting engine performance during continuous heavy-duty operation.
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
SAA6D114E, PC300, PC350
System
Engine combustion system
Weight
1.958 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 Ass’y designed for Komatsu SAA6D114E diesel engines
Compatible with Komatsu PC300 and PC350 hydraulic excavators
Manufactured from premium high-strength aluminum alloy for excellent durability and heat resistance
Precision-machined to OEM specifications for accurate fit and reliable engine performance
Optimized combustion chamber design for efficient fuel combustion and stable engine output
Excellent wear resistance for extended engine service life under heavy-duty operating conditions
Direct replacement for the original Komatsu piston assembly with easy installation
Backed by a 6-month warranty
Compatible Machine
Part Numbers:
6745-32-2121
6745-32-2200CS
This piston assembly is compatible with:
Komatsu SAA6D114E Diesel Engine
Komatsu PC300 Hydraulic Excavator
Komatsu PC350 Hydraulic Excavator
If you’re unsure whether 6745-32-2121 / 6745-32-2200CS Piston Ass’y is compatible with your machine, simply provide your machine serial number (PIN) or engine serial number, and our technical team will verify compatibility before shipment.
Applications
The 6745-32-2121 / 6745-32-2200CS Piston Ass’y is a critical engine component responsible for converting combustion energy into mechanical power. It is designed to deliver reliable performance in demanding applications, including:
Earthmoving projects
Heavy excavation
Mining operations
Quarry production
Infrastructure construction
Road construction
Continuous heavy-duty industrial applications
Its precision manufacturing ensures efficient combustion, reduced engine wear, and dependable long-term performance under challenging working 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 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 piston assemblies, we also supply cylinder liners, piston rings, connecting rods, crankshafts, bearings, gasket kits, turbochargers, fuel system parts, and a complete range of Komatsu engine replacement parts.
Packaging & Shipping
Every 6745-32-2121 / 6745-32-2200CS Piston Ass’y 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 6745-32-2121 / 6745-32-2200CS Piston Ass’y for Komatsu SAA6D114E / PC300 / PC350?
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 engine overhaul and maintenance requirements.
Product Features
The 6745-32-2121 / 6745-32-2200CS Piston Ass’y is a precision-engineered engine component specifically designed for the Komatsu SAA6D114E diesel engine used in PC300 and PC350 hydraulic excavators. Manufactured from premium-quality materials and built to OEM specifications, it delivers excellent combustion efficiency, reliable power transfer, and exceptional durability under demanding construction and mining conditions. Its robust design helps reduce engine wear, improve fuel efficiency, and ensure long-lasting engine performance during continuous heavy-duty operation.
