Description
Overview:
The Stud (1 7/16 in x 5/16 in) (36.5 mm x 8 mm) for JAP industrial engines is a steel fixing used to secure engine components and maintain correct alignment under load and vibration. It is suitable for a range of vintage JAP engines used in construction, agricultural, and industrial equipment, including JAP 3 and JAP 4f models. The stud is threaded at both ends for use with matching nuts and components, providing a reliable clamping force in areas such as cylinder heads, manifolds, and covers. This is a Genuine JAP part (OEM No. 18859), supplied as unused old stock, so minor tarnish or marks from long-term storage may be present without affecting function. It is a direct replacement for maintenance and restoration work on compatible JAP engines.
Key Features:
- Genuine JAP part for assured compatibility and fit (OEM No. 18859)
- Correct size: 1 7/16 in (36.5 mm) length and 5/16 in (8 mm) diameter
- Steel construction for strength and durability in engine environments
- Threaded both ends for secure clamping with standard 5/16 in hardware
- Helps maintain alignment of mating parts and resist loosening under vibration
- Direct replacement on listed JAP engines with no modifications required
- Suitable for preventative maintenance and full restorations of vintage units
- Supplied as unused old stock; may show storage tarnish that does not affect use
Typical Applications:
Commonly used to secure cylinder heads, inlet or exhaust manifolds, and engine casings on JAP industrial engines found in mixers, pumps, generators, and small plant. It replaces worn or damaged studs to restore correct clamping force, prevent leaks, and extend service life. Fitment should be carried out with clean threads and tightened to the manufacturer's specification.
Also known as:
JAP engine stud, stud bolt, manifold stud, cylinder head stud, threaded stud, fixing stud, engine fastening stud, double-ended stud for JAP engines.
Fits Models:
2a, 2s, 4/3, 43, 4f, JAP 2, JAP 3, JAP 4, JAP 5, JAP 6, JAP2, JAP3, JAP4, JAP5, JAP6
Alternate Part Numbers:
18859
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