Description
Overview:
This Cap Nut for Rocker Cover is a genuine Villiers part for vintage Villiers MK15 series petrol engines, including the MK15 and MK152. Made from durable metal with a domed cap profile, it secures the rocker cover to protect the valve gear and help keep the top end clean and sealed. Suitable for restoration and ongoing maintenance, it supports reliable operation on classic machinery used in workshops, small plant, and stationary engine applications. As unused old stock, it may show light tarnishing or minor storage marks, but performance is unaffected. Supplied as an OEM-quality item, it is intended to replace worn or missing nuts on the rocker cover assembly, ensuring a tidy, secure finish and maintaining authenticity on period engines.
Key Features:
- Genuine Villiers part for assured fit and quality (MPN: EM1553)
- Durable metal construction for long service life on classic engines
- Domed cap nut design protects exposed threads on the rocker cover stud
- Helps maintain a clean seal around the rocker cover for dependable running
- Straightforward to fit using standard hand tools
- Suitable for maintenance, repair, and restoration of vintage equipment
- Unused old stock; may show age-related tarnish without affecting function
- Keeps the engine top end secure, reducing the risk of leaks or loosening
- Matches original appearance to retain authenticity on Villiers MK15-series builds
Typical Applications:
Used to fasten and finish the rocker cover on Villiers MK15-series petrol engines in stationary equipment, small plant, generators, pumps, and classic garden or agricultural machinery. Ideal for replacing missing or damaged nuts during routine servicing, gasket changes, decarbonising, or full restorations, where a correct-fit OEM part is preferred to maintain reliability and preserve original specification.
Also known as:
Rocker cover cap nut, domed nut, acorn nut, valve cover nut, engine cap nut, top cover nut, head cover nut, rocker box cap nut. These terms refer to the same fastening role on the rocker/valve cover assembly of the engine.
Fits Models:
MK15, MK152
Alternate Part Numbers:
EM1553
Product Specifications
| L&S Part No. | EM1553 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | EM1553 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Key Features | - Genuine Villiers part for MK15-series petrol engines - Durable metal construction for long service life - Domed cap nut design protects exposed threads - Helps maintain a clean seal around the rocker cover - Suitable for maintenance and restoration of vintage equipment |
| Fits Models | MK15 |

