Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This high-quality piston ring set is specifically engineered for Yanmar 4D106, 4TNV106, and 4TNE106 diesel engines. As a critical component for maintaining compression and oil control, this ring set is manufactured to meet or exceed OEM specifications. We provide global shipping to major industrial markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast and reliable delivery for your heavy equipment and industrial engine needs.
Key Features & Benefits
Superior Durability: Constructed from high-grade alloy steel with advanced wear-resistant coatings for extended service life.
Precision Engineering: Manufactured to exacting tolerances for optimal cylinder sealing and reduced oil consumption.
Direct Replacement: Exact fit for Yanmar 4D106, 4TNV106, and 4TNE106 engine models, ensuring hassle-free installation.
Rigorous Testing: Each ring set undergoes strict quality control to ensure reliable performance in demanding conditions.
Technical Specifications
Specification
Details
Part Number
123907-22050
Engine Model
4D106, 4TNV106, 4TNE106
Brand
Yanmar (OEM Quality)
Part Type
Piston Ring Set
Material
Alloy Steel with Chrome/Moly Coating
Ring Configuration
Top Compression, Second Compression, Oil Control Ring
Bore Diameter
106 mm
Quantity per Set
3 Rings per Piston (x4 Pistons = 12 Rings Total)
OEM Cross-Reference
This piston ring set is a direct replacement for the following OEM part numbers:
Yanmar OEM: 123907-22050
Alternate Part Numbers: 123907-22051, 123907-22052 (if applicable)
Note: Always verify your engine model and existing part number before ordering to ensure compatibility.
Compatibility
Engine Models: Yanmar 4D106, 4TNV106, 4TNE106
Vehicle/Equipment Applications: Industrial diesel engines used in generators, compressors, agricultural tractors, construction equipment, and marine applications.
Year Ranges: Compatible with engines manufactured from the 1990s to present, depending on specific serial number ranges.
Global Supply & Distribution
Worldwide Shipping: We ship to over 50 countries with reliable logistics partners including DHL, FedEx, and sea freight for bulk orders.
Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Japan, Korea, Australia, Singapore), and Middle East (UAE, Saudi Arabia, Qatar).
Fast Delivery: Standard delivery to major ports and industrial centers within 5-10 business days. Express options available for urgent requirements.
Export Experience: Over 10 years of international trade experience with full customs documentation and compliance with global trade regulations.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001 certified facilities with strict adherence to Yanmar OEM specifications.
Warranty: 12-month warranty against manufacturing defects in materials and workmanship.
Testing Procedures: Each batch undergoes dimensional inspection, hardness testing, and surface finish analysis to ensure consistent quality.
FAQ
Q1: Will these piston rings fit my Yanmar 4TNV106 engine? Yes, this piston ring set (Part #123907-22050) is specifically designed for Yanmar 4TNV106, 4TNE106, and 4D106 engines. However, always confirm your engine’s serial number and existing part number to ensure correct fitment, as some production variations may exist.
Q2: What is the recommended installation procedure for these rings? Installation should be performed by a qualified technician. Key steps include: (1) Clean the piston grooves thoroughly, (2) Install the oil control ring first, followed by the second compression ring, and lastly the top compression ring, (3) Use a proper ring expander tool to avoid distortion, (4) Stagger ring gaps 120 degrees apart (do not align with piston pin), (5) Lubricate rings with clean engine oil before assembly.
Q3: How do I know if my piston rings need replacement? Common symptoms of worn piston rings include: excessive oil consumption (blue smoke from exhaust), reduced engine compression (hard starting or loss of power), increased blow-by (pressure in crankcase), and poor fuel economy. A compression test and leak-down test can help diagnose ring condition. We recommend replacing rings as a complete set during engine overhaul.
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.