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Product Details
Product Overview
This high-quality 4D94-3 Piston Ring Set is designed as a reliable replacement component for Komatsu diesel engines. Manufactured to OEM size specifications, this piston ring set is a critical engine part for maintaining compression, controlling oil consumption, and ensuring optimal combustion efficiency.
Commonly used in heavy-duty applications such as forklifts, excavators, trucks, loaders, bulldozers, and buses, this piston ring set is suitable for various Komatsu machinery powered by the 4D94-3 engine model. As a direct replacement part, it offers a cost-effective solution for engine overhaul and maintenance without compromising on performance.
Each ring in the set is precision-engineered to meet strict dimensional tolerances, ensuring a proper seal within the cylinder bore. This component is ideal for workshops, equipment dealers, and fleet maintenance teams looking for dependable aftermarket engine parts.
Key Features & Benefits
OEM Size Fitment: Manufactured to original equipment manufacturer (OEM) size specifications for direct replacement, reducing installation time and fitment issues.
Durable Construction: Made from high-quality materials designed to withstand the high temperatures and pressures inside a diesel combustion chamber.
Improved Engine Performance: Helps restore compression, reduce blow-by, and optimize fuel efficiency in your Komatsu 4D94-3 engine.
Oil Control: Designed to effectively scrape excess oil from the cylinder wall, minimizing oil consumption and preventing carbon buildup.
Versatile Application: Suitable for a wide range of equipment including forklifts, excavators, loaders, and other heavy machinery powered by the 4D94-3 diesel engine.
Rigorous Testing: Each batch undergoes outgoing inspection and machinery test reporting to ensure consistent quality and reliability.
Technical Specifications
Specification
Details
Part Type
Piston Ring Set
Engine Model
4D94-3
Engine Type
Diesel
Size
OEM Size (Standard)
Weight
Approximately 1 kg
Place of Origin
Guangdong, China
Warranty
6 Months
Packing
Plastic Bag, Box, Carton
OEM Cross-Reference
This piston ring set is designed as a direct replacement for Komatsu OEM parts. While specific OEM part numbers for the 4D94-3 engine may vary by application, this set is engineered to meet the original specifications for the following reference numbers:
Komatsu OEM: 4D94-3 Series Piston Ring Set
Replaces OEM part numbers for 4D94-3 diesel engines
Note: Please verify your engine model and current part number before ordering. If you have a specific OEM number, contact us for cross-reference confirmation.
Compatibility
This piston ring set is specifically designed for the Komatsu 4D94-3 diesel engine. It is commonly used for the following equipment applications:
Forklifts
Excavators
Wheel Loaders
Bulldozers
Trucks
Buses
Other industrial machinery powered by the 4D94-3 engine
Fitment Note: This part is intended for engines with standard (OEM size) cylinder bores. If your engine has been rebored, an oversized piston ring may be required. Please confirm your engine’s specifications before purchase.
Global Supply & Distribution
We offer worldwide shipping for this 4D94-3 piston ring set, ensuring fast and reliable delivery to international buyers. Our distribution network covers major markets including:
North America: USA, Canada, Mexico
Europe: Germany, UK, France, Netherlands, Poland
Asia-Pacific: Japan, South Korea, Australia, Singapore
Middle East & Africa: UAE, Saudi Arabia, South Africa
South America: Brazil, Chile, Argentina
We ship from our warehouse in Guangdong, China, to major ports and industrial centers worldwide. With experience in international trade documentation and customs compliance, we ensure your order arrives safely and on time.
Quality Assurance
Manufacturing Standards: This piston ring set is manufactured in ISO-certified facilities in Guangdong, China, following strict quality control procedures.
Testing Procedures: Each production batch undergoes a Machinery Test Report to verify dimensional accuracy and material integrity. Video Outgoing Inspection is available upon request to confirm part quality before shipment.
Warranty: We offer a 6-month warranty against manufacturing defects. Within this period, any defective parts will be replaced or refunded, providing you with peace of mind for your engine rebuild project.
FAQ
Q1: How do I confirm this piston ring set fits my Komatsu engine? A: This set is specifically designed for the Komatsu 4D94-3 diesel engine. Please check the engine model plate on your equipment to verify it matches “4D94-3”. For non-standard applications or rebored cylinders, please contact us with your engine specifications for compatibility confirmation.
Q2: What is included in the piston ring set? A: The set includes all necessary piston rings for one cylinder of the 4D94-3 engine (typically compression rings and oil control rings). For a complete engine overhaul, you will need one set per cylinder. Please check your engine’s cylinder count when ordering multiple sets.
Q3: Do I need special tools to install these piston rings? A: Standard piston ring installation tools are recommended to avoid damaging the rings during installation. We also suggest using a ring compressor tool to fit the piston assembly into the cylinder bore. Proper lubrication during installation is essential. If you are not experienced with engine assembly, we recommend professional installation by a qualified diesel mechanic.
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