Description
Overview:
This 1/4 inch (6.35 mm) BSP Male Union is a genuine JAP spare, OEM No. 22739, for classic JAP stationary engines. Made from solid brass for strength and corrosion resistance, it provides a reliable threaded connection in engine pipework, typically for fuel, oil, or breather lines. Its compact male BSP form helps maintain leak-tight joints while preserving originality on vintage restorations. Supplied as unused old stock, it may show light tarnishing from age but remains fully serviceable. Designed with a precise fit for JAP 3 and JAP 4 engines and widely used across similar JAP units, it is a practical choice for tradespeople and DIY users restoring or maintaining heritage machinery powered by JAP engines.
Key Features:
- Genuine JAP part for correct fit and function
- 1/4 inch (6.35 mm) BSP male thread for common engine pipework
- Brass construction for durability and corrosion resistance
- Clean, well-defined threads for secure sealing and easy assembly
- Suitable for fuel, oil, and ventilation line connections on vintage engines
- Compact union geometry for tight spaces on engine frames and shrouds
- Unused old stock; may show minor tarnish or storage marks only
- Compatible with standard spanners; straightforward installation and removal
- Helps maintain period-correct appearance on restorations
- Supports reliable maintenance of classic JAP systems without modification
Typical Applications:
Used to join or terminate 1/4 inch (6.35 mm) BSP pipework on JAP engines in pumps, generators, cement mixers, compact plant, and vintage garden machinery. Common in fuel feed lines, oil circulation links, and breather or governor connections where a robust, leak-resistant male union is required on classic JAP installations.
Also known as:
Male pipe union, BSP male connector, pipe coupling, line union, threaded pipe fitting, brass engine union, hose adaptor, fuel line connector, oil line fitting, pipe joiner.
Fits Models:
JAP 3, JAP 4, JAP 5, JAP 6
Alternate Part Numbers:
22739
Product Specifications
| L&S Part No. | 22739 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| OEM No. | 22739 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | JAP |
| Key Features | - Genuine JAP part ensures correct fit for JAP engines - 1/4 inch (6.35 mm) BSP male thread - Brass construction offers durability and corrosion resistance - Suitable for fuel, oil, and ventilation lines - Compatible with JAP 3, JAP 4, JAP 5, JAP 6 models |
| Fits Models | JAP 4, 3 | JAP 5 | JAP 6 |


