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Product Details
Product Overview
This high-quality replacement piston assembly is specifically designed for Yanmar 3TNE68 and 3D68E-3 diesel engines. With a precise height of 53mm, this piston (OEM numbers 129265-22080, 119265-22090, YM119265-22090) is manufactured to meet OEM specifications, ensuring reliable performance in demanding applications.
Ideal for construction machinery, industrial equipment, agricultural tractors, generator sets, marine engines, and material handling equipment, this component provides the durability and fit confidence required for professional engine overhauls and repairs. Each unit includes the piston and matching piston pin, ready for installation.
Key Features & Benefits
Precision Engineering: Manufactured to OEM size and specifications (53mm height) for exact fitment in Yanmar 3TNE68 and 3D68E-3 engine blocks.
Complete Assembly: Includes piston with pre-installed pin, reducing installation time and ensuring proper pin-to-piston alignment.
OEM Cross-Reference Verified: Compatible with multiple OEM numbers (129265-22080, 119265-22090, YM119265-22090) for easy parts identification.
Versatile Application: Suitable for a wide range of equipment types including construction, agricultural, industrial, marine, and power generation machinery.
Quality Tested: Undergoes outgoing inspection with video documentation available, plus machinery test reports provided for quality verification.
Durable Construction: Designed for diesel engine environments with high thermal and mechanical stress resistance.
Technical Specifications
Specification
Details
Part Number
129265-22080 / 119265-22090 / YM119265-22090
Product Type
Piston with Pin Assembly
Engine Model
3TNE68 / 3D68E-3
Piston Height
53mm
Size Grade
OEM Size (Standard)
Engine Type
Diesel
Weight
1 kg per unit
Warranty
6 Months
Packing
Plastic bag, Box, Carton
Place of Origin
Guangdong, China
OEM Service
Available
OEM Cross-Reference
This piston assembly directly replaces the following OEM part numbers:
These numbers are commonly found on original Yanmar engine parts for the 3TNE68 and 3D68E-3 series. Always verify the piston height (53mm) and engine model before ordering.
Compatibility
This piston is commonly used for the following applications:
Engine Models: Yanmar 3TNE68, 3D68E-3
Equipment Types: Construction machinery, Industrial equipment, Agricultural tractors, Generator sets (Genset), Marine engines, Material handling equipment
Fitment is inferred based on OEM specifications. Please confirm your engine model and piston height before purchase.
Global Supply & Distribution
maintains a robust global supply chain capable of shipping to all major markets worldwide. We serve customers across North America (USA, Canada, Mexico), Europe (UK, Germany, France, Italy, Spain), Asia-Pacific (Japan, South Korea, Australia, Southeast Asia), the Middle East (UAE, Saudi Arabia), Africa, and South America.
Our logistics network ensures fast delivery to major ports and industrial centers, with standard shipping options available for both small orders and bulk quantities. We have extensive export experience and comply with international trade regulations, providing professional documentation for customs clearance. Typical lead times are 3-7 working days for in-stock items.
Quality Assurance
Manufacturing Standards: Produced in ISO-certified facilities in Guangdong, China, following strict quality control processes.
Testing Procedures: Each batch undergoes machinery test reports and video-outgoing inspection to verify dimensional accuracy and performance.
Warranty: 6-month warranty against manufacturing defects, covering material and workmanship issues.
OEM Service: Custom manufacturing and OEM/ODM services available for volume orders.
FAQ
Q1: How do I confirm this piston fits my Yanmar 3TNE68 engine?
A: Verify your engine model is stamped on the engine block nameplate (look for “3TNE68” or “3D68E-3”). Measure the existing piston height—it should be exactly 53mm. Also confirm the OEM part number on your old piston matches 129265-22080, 119265-22090, or YM119265-22090. If all these match, the piston is compatible.
Q2: Does the piston pin come pre-installed, and what is the installation procedure?
A: Yes, the piston pin is included and typically pre-assembled. For installation, ensure the piston ring gaps are properly staggered (120 degrees apart) and lubricate the cylinder bore and piston skirt with clean engine oil before insertion. Use a piston ring compressor to avoid ring breakage. Torque connecting rod bolts to manufacturer specifications.
Q3: What is the recommended maintenance schedule after installing this piston?
A: After installation, run the engine at low idle for the first 10-15 minutes to allow the piston rings to seat properly. Check oil pressure and listen for abnormal noises. After 50 operating hours, retorque the cylinder head bolts and check valve clearances. Follow the Yanmar service manual for the 3TNE68 engine for complete maintenance intervals.
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