Description
Overview:
These Connecting Rod Bolts are genuine JAP fasteners for Models 4/3 and 5 industrial engines, supplied under OEM number 18546/2. They secure the connecting rod big-end cap to the crankshaft journal, maintaining correct clamping force and alignment under load. Made from quality steel to original equipment tolerances, they are built for the demands of continuous-duty engines used in plant and machinery. As unused vintage old stock, they preserve the original specification for a precise, like-for-like fit on classic JAP units such as the JAP 4. Suitable for tradespeople and DIY users, they help restore reliability during engine rebuilds and repairs across construction, agricultural, and garden equipment powered by JAP engines.
Key Features:
- Genuine JAP part to original specification (OEM 18546/2)
- Designed for JAP Models 4/3 and 5; ideal for JAP 4 series rebuilds
- Quality steel construction for consistent clamping under combustion loads
- Ensures correct big-end cap alignment and bearing clearances
- Unused vintage old stock; may show light tarnish or storage marks only
- Direct replacement part for straightforward fitting with no modifications
- Helps prevent big-end loosening, vibration, and premature wear
- Suitable for professional workshops and home engine restorations
- Use with correct torque settings as per manufacturer guidance
Typical Applications:
Used during big-end overhauls, connecting rod replacement, crankshaft work, and general engine rebuilds on JAP industrial engines. Common in classic equipment such as mixers, compressors, generators, pumps, cultivators, and other light plant used in construction and garden settings. Ideal when original bolts are stretched, damaged, or missing, to restore safe and reliable operation.
Also known as:
Con-rod bolts, big-end bolts, connecting rod fasteners, crankshaft big-end bolts, JAP engine rod bolts, engine connecting rod clamp bolts, OEM 18546/2 rod bolts.
Fits Models:
JAP 4, JAP4
Product Specifications
| L&S Part No. | 18546/2 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| OEM No. | 185462 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine JAP part, OEM number 18546/2 - Fits JAP Models 4/3 and 5 engines - Made from quality steel for durability - Ensures correct big-end cap alignment - Unused vintage stock, may show light tarnish |
| Fits Models | JAP 4, 3 |

