Yanmar Lock Nut M27 26776-270002 - Marine Diesel Engine
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
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.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.