Description
Overview:
This head bolt is a Genuine JAP part for selected JAP industrial engines, supplied to original specification under OEM number 18676. Manufactured from high‐strength steel with a hex head, it clamps the cylinder head to the engine block to maintain compression and a reliable head‐gasket seal. It is suitable for maintenance and restoration of JAP engines used across plant, agricultural, and garden machinery, including common units such as the JAP 3 and 4f. As unused old stock, it remains to the original design for dependable fit and performance, though minor tarnishing or storage marks may be present. Use as a like‐for‐like replacement during rebuilds or gasket work to restore correct clamping load and ensure stable running under heat and vibration.
Key Features:
- Genuine JAP part (OEM 18676) for assured compatibility and performance
- High‐strength steel construction for reliable clamping under heat and vibration
- Direct replacement to original dimensions for a secure, accurate fit
- Helps maintain head‐gasket seal and cylinder compression for efficient running
- Hex‐head design for straightforward installation with standard hand tools
- Suitable for engine rebuilds, head gasket replacement, and routine overhauls
- Unused old stock to original spec; may show light tarnish from storage
- Supports correct torque settings and tightening sequence as per JAP manuals
Typical Applications:
Used during cylinder head refits on JAP industrial engines found in equipment such as generators, pumps, plate compactors, concrete mixers, small plant, and horticultural machinery. Ideal when replacing a head gasket, correcting fastener fatigue, or completing a period‐correct restoration where OEM hardware is preferred for fit and reliability.
Also known as:
JAP cylinder head bolt, engine head retaining bolt, cylinder head fixing bolt, J.A. Prestwich head bolt, OEM 18676 head bolt.
Fits Models:
2a, 2s, 4/3, 43, 4f, JAP 3, JAP3
Alternate Part Numbers:
18676
Product Specifications
| L&S Part No. | 18676 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| OEM No. | 18676 |
| Unit of Sale | 1 |
| Applications | 2a, 2s, 4/3, 43, 4f, JAP 3, JAP3 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Fits Models | JAP 3 |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
