Description
Overview:
The Main Bearings U/S 040 for Lister Petter diesel engines are precision bearing shells that support the crankshaft and keep oil clearances correct. Made from high-quality bearing materials for consistent performance, they reduce friction and wear to help protect the crank and block. This set is engineered for Lister Petter ST and STW engines and supplied as 2x 201-80120/040 shells (one pair). The undersize specification is 0.040 in (approximately 1.02 mm), intended for engines where the crankshaft journals have been reground to this size. Genuine Lister Petter New Old Stock helps ensure correct fit and reliable service. A direct replacement that restores smooth rotation and contributes to stable oil pressure and long engine life in ST and STW units.
Key Features:
- Genuine Lister Petter part for ST and STW engines (OEM fit and geometry)
- U/S 040 size: 0.040 in (approx. 1.02 mm) for reground crank journals
- Supplied as 2x 201-80120/040 bearing shells (matched pair)
- Supports crankshaft rotation, reducing friction and wear
- Helps maintain correct oil clearance and stable lubrication
- Precision-made for reliable running and long service life
- Direct replacement for straightforward fitting during rebuilds
- New Old Stock item stored to OEM standards
Typical Applications:
Used during engine overhauls and repairs on Lister Petter ST and STW engines, particularly after crankshaft regrinds to 0.040 in (1.02 mm) undersize. Suitable for restoring correct main bearing clearances, improving oil film stability, reducing noise and vibration, and extending engine life in generators, pumps, compressors, site equipment, and agricultural or garden machinery powered by these engines.
Also known as:
Main bearing shells, crankshaft main bearings, crank main shells, engine main shells, journal bearings for mains, undersize mains 0.040 in (1.02 mm), replacement main shells for reground cranks, OEM main bearings for Lister Petter diesel engines.
Fits Models:
ST, STW
Alternate Part Numbers:
201 80120/040, 201-80120/040, 201 80120 040, 570-12980/040, 570 12980 040, 20180120040, 57012980040
Product Specifications
| L&S Part No. | 570 12980/040 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| OEM No. | 570-12980/040 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter part for ST and STW engines - U/S 040 size: 0.040 in for reground crank journals - Supplied as 2x 201-80120/040 bearing shells - Supports crankshaft rotation, reducing friction and wear - Direct replacement for straightforward fitting during rebuilds |
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