Description
Overview:
This non-genuine Big End Bearing is a replacement part for Yanmar L40 and L48 single-cylinder diesel engines, designed to replace OEM number 714250-23600. It is a steel-backed, anti-friction bearing shell that sits in the connecting rod and runs on the crankshaft journal, providing a low-friction surface to reduce wear and maintain correct oil film. Built for dependable service, it helps restore oil clearance and maintain smooth rotation of the crank, preventing knock and premature failure. Suitable for compact plant and garden machinery powered by Yanmar L-series engines, it is a practical choice for tradespeople and DIY users who need reliable engine support without the cost of a full rebuild. Genuine status: Non-genuine part that offers a direct-fit replacement for worn or damaged bearings.
Key Features:
- Direct replacement for Yanmar reference 714250-23600 (L40/L48 compatibility)
- Steel-backed bearing with anti-friction overlay for durable, low-wear running
- Helps restore correct oil clearance and maintain stable oil film on the journal
- Reduces friction, heat, and noise for smoother engine operation
- Made for robust service in compact plant, pumps, generators, and small machinery
- Non-genuine part offering dependable performance and value
- Precision fit for straightforward installation with standard workshop tools
- Suitable for preventive maintenance or repair after crank/rod service
- Engineered to support the crankshaft under continuous load and vibration
- Sensible to install as part of a bottom-end refresh to extend engine life
Typical Applications:
Used when refurbishing the bottom end of Yanmar L40 and L48 engines in equipment such as portable generators, water pumps, plate compactors, concrete mixers, pressure washers, and small agricultural or garden machinery. Ideal for restoring performance after bearing wear, low oil events, or routine overhaul. Always verify journal condition and select the correct bearing size to match your crankshaft.
Also known as:
Connecting rod bearing, conrod bearing, rod journal bearing, big-end shell, crank pin bearing, engine bearing shell, bottom-end bearing. These terms describe the bearing shells that fit in the connecting rod to support the crankshaft journal and manage oil film and load.
Fits Models:
L40, L40AE, L48
Product Specifications
| L&S Part No. | 320 204 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Applications | L40, L40AE, L48 |
| Machine Type | Engines |
| Fits Brands | Chinese, Yanmar |
| Fits Models | L40AE |
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