Description
Overview:
This Crankshaft Bearing Washer (Spring) is a Genuine Villiers OEM component for MK20 and MK25 engines, supplied under Manufacturer Part Number E4531. Made from hardened spring steel, it sits in the crankshaft assembly to support and preload the bearing, helping to control end float and maintain smooth, reliable rotation. It is designed to fit correctly without modification, preserving alignment and reducing wear across the bearing surfaces. As an unused old stock vintage part, it may show light tarnishing from storage, but performance and fit remain as intended. This is a practical service item for owners and rebuilders of Villiers-powered machinery who need an authentic replacement to keep classic engines running efficiently and within correct tolerances.
Key Features:
- Genuine Villiers OEM part (E4531) for assured compatibility and quality
- Hardened spring-steel washer designed to support and preload the crankshaft bearing
- Controls axial movement to help maintain correct crankshaft end float
- Precise fit for Villiers engine tolerances, avoiding guesswork during rebuilds
- Durable construction for long service life in vintage and working engines
- Helps reduce vibration and uneven wear by maintaining correct bearing pressure
- Suitable for preventative maintenance or direct replacement of worn or flattened washers
- Unused old stock vintage item; may show cosmetic tarnish with no effect on function
- Straightforward to install during standard strip-down and reassembly procedures
- Supports reliable starting, smoother running, and improved overall engine longevity
Typical Applications:
Used during engine overhauls, bearing replacements, and routine maintenance on Villiers single-cylinder engines. Ideal for restoring correct bearing preload on classic stationary engines and small machinery powered by Villiers units, helping maintain reliability in garden, agricultural, and light construction equipment that relies on consistent crankshaft support.
Also known as:
Crankshaft washer, bearing spring washer, engine washer, bearing preload washer, spring thrust washer. Commonly referenced during engine rebuilds when addressing end float, bearing seating, or crankshaft alignment issues in Villiers-powered equipment.
Fits Models:
MK20, MK25, C25
Product Specifications
| L&S Part No. | E4531 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | E4531 |
| Unit of Sale | 1 |
| Applications | C25, MK20, MK25 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Fits Models | MK20 | MK25 / C25 |
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