Description
Genuine Yanmar Lock Nut M27 – Professional Marine Engine Component
OEM lock nut designed for Yanmar marine diesel engines. Precision-threaded M27 metric lock nut that provides secure fastening with self-locking capability, preventing loosening from vibration in critical engine applications.
Technical Specifications:
- Part Number: 26776-270002
- Thread Size: M27 (27mm metric)
- Type: Self-locking nut
- Material: Marine-grade steel with corrosion-resistant finish
- Application: Critical engine fastening applications
Key Features:
- Genuine Yanmar OEM part for guaranteed fitment
- Self-locking design prevents loosening from vibration
- M27 metric thread for precise fit
- Marine-grade construction for corrosion resistance
- Direct OEM replacement for reliable fastening
- Essential for maintaining proper torque and clamping force
- Designed for high-vibration marine environments
Applications:
Compatible with Yanmar marine diesel engines. Critical fastener for propeller shafts, flywheels, or other high-torque applications where vibration resistance is essential.
Performance Benefits:
Self-locking feature maintains proper torque and prevents loosening under engine vibration and thermal cycling. Essential for safety-critical applications where fastener failure could cause serious damage or injury.
Installation Note:
Torque to Yanmar specifications using calibrated torque wrench. Do not reuse lock nuts – always install new lock nuts during service. Inspect threads for damage before installation.
Quality Assurance:
Backed by Yanmar’s reputation for precision engineering and reliability in marine propulsion systems. Professional-grade fastener for commercial and recreational vessels.






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