Description
Overview:
This lock nut is a Genuine Yanmar part designed to secure critical fixings on small diesel engines used in construction and mixing equipment. Made from durable steel with a self-locking design, it resists vibration and prevents fasteners from backing off during operation. It is suitable for Yanmar mixer-spec engines such as the L48N5SJ1 and is also used across popular compact engine families including the L48N and L70N. By keeping shafts, covers and brackets firmly in place, it helps maintain reliable performance and reduces the risk of mechanical looseness. Supplied under Manufacturer Part Number 183250-66341, it is a straightforward replacement that supports routine servicing and repairs for tradespeople, plant hire, and DIY users who need dependable engine hardware.
Key Features:
- Genuine Yanmar part for correct fit and reliable performance
- Self-locking design helps resist vibration and prevents loosening
- Durable steel construction for long service life in harsh environments
- Suitable for mixer-spec and compact Yanmar engines across multiple models
- Helps maintain alignment and stability of engine-mounted components
- Easy to install with standard hand tools to minimise downtime
- Supports routine maintenance, rebuilds, and preventative servicing
- Supplied under MPN 183250-66341 for accurate identification
Typical Applications:
Used to secure rotating and fixed components on Yanmar engines in site mixers and compact machinery. Common locations include pulley assemblies, guards, brackets, covers, and other vibration-prone fixings. Ideal for maintenance, overhaul, and replacement where a secure, long-lasting fastener is required to keep equipment running safely and efficiently on site or at home.
Also known as:
Locknut, self-locking nut, hex lock nut, engine locking fastener, prevailing-torque nut, retaining nut, vibration-resistant nut, secure fastening nut.
Fits Models:
100T, 150T, 175T, 200T, L100N, L48N, L48N-S, L48N5SJ1, L48NS, L70N, Premier 100XT, Premier 150XT, Premier 175XT, Premier 200XT
Alternate Part Numbers:
183250-66341, 18325066341
Product Specifications
| L&S Part No. | 183250 66341 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 183250-66341 |
| Unit of Sale | 1 |
| Machine Type | Mixers |
| Fits Brands | Belle, Winget, Yanmar |
| Key Features | - Genuine Yanmar part ensures correct fit and performance - Self-locking design resists vibration and loosening - Compatible with Yanmar L48N and L70N engines - Durable steel construction for harsh environments - Supplied under MPN 183250-66341 for easy identification |
| Fits Models | L48N-S (Mixer) | L100N | L48N | L70N |
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