Yanmar crankshaft 129508-21002 12950821002 4TNE84 crankshaft 4TNE88 crankshaft 4TNV84 crankshaft 4TNV88 crankshaft Yanmar 45mm crankshaft

◆ Product Overview
A high-precision, OEM-grade crankshaft engineered for Yanmar 4TNE84, 4TNE88, 4TNV84, and 4TNV88 compact diesel engines. Manufactured to exact factory specifications for part numbers 129508-21002 and 12950821002, this 45mm crankshaft ensures optimal performance, durability, and compatibility in industrial, agricultural, and marine applications.

◆ OEM Part Numbers
✓ 129508-21002
✓ 12950821002

◆ Compatible Engine Series
✓ 4TNE84
✓ 4TNE88
✓ 4TNV84
✓ 4TNV88

◆ Product Specifications
✓ Condition: 100% Brand New
✓ Material: High-Strength Alloy Steel
✓ Journal Diameter: 45mm (Precision Machined)
✓ Finish: Hardened, Ground & Micro-Polished

◆ Key Features
✓ Direct OEM Replacement for Multiple Yanmar Engine Families
✓ 45mm Precision Journals for Optimal Bearing Fit & Lubrication
✓ Engineered for High Torque & Reliability in Compact Engine Designs
✓ Restores Factory Power, Fuel Efficiency & Smooth Operation

◆ Quality Assurance
✓ 100% New Production – Not Remanufactured
✓ Dimensional Accuracy Certified to Yanmar Specifications
✓ Non-Destructive Testing (NDT) & Hardness Verification Passed
✓ Dynamically Balanced for Minimal Vibration & Extended Bearing Life

◆ Installation Applications
✓ Complete Overhaul of 4TNE84/88 & 4TNV84/88 Engines
✓ Crankshaft Replacement in Compact Machinery & Generators
✓ Marine Auxiliary & Industrial Pump Engine Repairs
✓ Agricultural Equipment & Small Construction Machinery Maintenance

◆ Service Advantages
✓ One Crankshaft Fits Multiple Engine Models – Reduces Inventory Complexity
✓ Ensures Long Service Life in High-Cycle Applications
✓ Trusted Replacement for Global Yanmar Equipment Fleets
✓ Available with OEM-Equivalent Documentation & Packaging