Description
Overview:
Big end shells are the replaceable bearing halves that support the connecting rod on the crankpin, maintaining correct oil clearance and smooth rotation. This Genuine Jap pair is made for the Jap Model 5 industrial engine (often listed as JAP 5/JAP5). The size U/S 010 indicates an undersize of 0.010 in (approx. 0.25 mm), intended for use with a reground crankshaft to restore proper fit. Manufactured from durable, precision-machined bearing materials on a sturdy backing, they provide a stable, low-friction surface under load. Supplied as a matched pair to service one big end, OEM number 18473/010. As unused old stock for vintage engines, they offer a practical solution for keeping older machinery running reliably without modification.
Key Features:
- Genuine Jap part for assured compatibility and fit
- OEM reference 18473/010 for accurate identification
- U/S 010: 0.010 in undersize (approx. 0.25 mm) for reground crankpins
- Supplied as a matched pair to refurbish one connecting rod big end
- Durable construction with smooth bearing surfaces for reliable lubrication
- Helps restore correct oil clearance, pressure, and running smoothness
- Reduces knock and wear, supporting longer engine life
- Easy to fit for routine maintenance or full rebuilds
- Suitable for maintaining and restoring vintage industrial engines
- Unused old stock (NOS) solution for hard-to-find legacy parts
Typical Applications:
Used during engine overhauls on JAP Model 5 units powering site mixers, water pumps, generators, compactors, and other small industrial plant. Ideal when a crankshaft has been reground to 0.010 in (0.25 mm) undersize and new shells are required to bring oil clearances back within specification for dependable daily use.
Also known as:
Big-end shells, big end bearing shells, connecting rod bearing shells, con-rod bearings, conrod shells, crankpin shells, engine big end bearings.
Fits Models:
JAP 5, JAP5
Product Specifications
| L&S Part No. | 18473/010 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| OEM No. | 18473/010 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine Jap part for JAP Model 5 engine - U/S 010: 0.010 in undersize for reground crankpins - Supplied as a matched pair for one big end - Durable, precision-machined bearing materials - OEM reference 18473/010 for accurate identification |
| Fits Models | JAP 5 |


