Description
Overview:
This is a genuine JAP fixing stud for classic JAP industrial engines. Made from durable steel, it provides a secure threaded fastening point to hold engine components in alignment under vibration and heat. Sized to original specification at 41 mm length and 8 mm diameter (1 5/8 in x 5/16 in), it is suitable for service and restoration work on engines such as the JAP 3 and JAP 4. Supplied as unused old stock, it may show light tarnish from storage, but remains fully functional. Marked to OEM No. 20946, this stud helps restore correct clamping force where original hardware is worn, damaged, or missing, supporting reliable day-to-day running of vintage machinery powered by JAP industrial engines.
Key Features:
- Genuine JAP part (Genuine Part) for reliable fit and function on listed engines
- OEM reference 20946 for straightforward identification and replacement
- Original-size hardware: 41 mm x 8 mm (1 5/8 in x 5/16 in) for compatibility
- Strong steel construction resists shear, heat cycling, and vibration in service
- Accurate threads for secure clamping and consistent torque retention
- Ideal for maintaining originality on vintage restorations and repairs
- Unused old stock; cosmetic tarnish may be present, performance unaffected
- Simple to install using standard hand tools and correct nuts/washers
- Supports long-term reliability by replacing stretched or corroded studs
- Suitable for multiple fastening positions across JAP industrial engine assemblies
Typical Applications:
Used as a threaded fastener within JAP industrial engines to secure covers, brackets, guards, and ancillary components. Commonly fitted during engine rebuilds, routine maintenance, or when replacing damaged hardware on vintage equipment in workshops, on-site machinery, and small plant powered by JAP engines used in construction, agriculture, and grounds care.
Also known as:
Engine fixing stud, JAP threaded stud, JAP fastener, 41 mm x 8 mm stud, 1 5/8 in x 5/16 in stud, OEM 20946 stud, vintage JAP engine hardware, replacement engine stud for JAP industrial engines.
Fits Models:
JAP 2, JAP 3, JAP 4, JAP 5, JAP 6
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