Description
Overview:
The Pulley Adaptor for JAP 4/3, 5 and 6 machinery (Manufacturer Part Number 18127) is a genuine JAP metal component designed to couple a pulley securely to the engine drive shaft. Built for vintage JAP stationary engines typically found on garden and light construction equipment, it restores positive belt drive by providing a stable mounting interface and correct alignment. This genuine part is unused old stock and may show light tarnish or storage marks that do not affect use. Ideal for owners maintaining JAP 3 or JAP 4 engines, with suitability also covering JAP 5 and JAP 6, it is a practical solution for replacing worn or missing adaptors during repairs, refurbishments, or routine servicing where authenticity and fit are important.
Key Features:
- Genuine JAP part (MPN 18127) for authenticity and correct fit
- Durable metal construction for long service life on vintage machinery
- Provides a secure interface between engine shaft and pulley for smooth running
- Helps maintain belt alignment to reduce vibration and premature wear
- Suitable for JAP 3, 4, 5 and 6 engines used across various equipment types
- Unused old stock; may show storage tarnish that is cosmetic only
- Practical replacement for worn, damaged or missing adaptor hubs
- Supports efficient power transmission and dependable day-to-day operation
- Straightforward workshop installation using standard hand tools
- A sensible choice for authentic restorations and period-correct repairs
Typical Applications:
Used to mount and drive belt pulleys on JAP-powered equipment such as stationary plant, compact garden machinery, small agricultural implements, and light construction tools. Suitable for repair and maintenance work where a reliable pulley-to-shaft connection is needed to transmit power from the engine to auxiliary components like drives, pumps or accessories on heritage and working machines.
Also known as:
Pulley adapter, pulley attachment, pulley hub, pulley boss, drive hub, shaft-to-pulley adaptor, belt drive adaptor, sheave adaptor, coupling hub, pulley connector. These alternative terms are commonly used for the same component that creates a secure mechanical interface between an engine shaft and a belt-driven pulley.
Fits Models:
JAP 3, JAP 4, JAP 5, JAP 6