Description
Overview:
The Main Bearing Undersize 040 for Lister Petter HA4/6 and HB4/6 is a genuine Lister Petter component designed for bottom-end engine rebuilds where the crankshaft journals have been reground. It is manufactured from durable bearing materials for dependable support of the crankshaft, helping to maintain correct oil clearance, smooth rotation, and long service life. The 0.040 in undersize specification (approximately 1.02 mm) matches engines that require tighter internal dimensions after machining. Ideal for vintage Lister Petter H‐series engines, it suits restoration and maintenance of units used in demanding environments. Supplied as unused old stock, it may show minor tarnishing from storage that does not affect function. This is an OEM-quality solution for returning classic engines to reliable working order.
Key Features:
- Genuine Lister Petter main bearing, ensuring correct fit and performance
- Undersize 0.040 in (approx. 1.02 mm) for use with reground crankshaft journals
- Helps restore correct oil clearance for stable oil pressure and smooth running
- Durable bearing alloy construction for reliability and long service life
- Precision fitment reduces friction, wear, vibration, and bearing knock
- Direct replacement part to aid efficient overhauls with minimal downtime
- Unused old stock vintage item; cosmetic tarnish or dust may be present only from storage
- Shell markings commonly seen include 352 32460 and 352 32450 for identification
- Suitable for selected Lister Petter H‐series engines used in industrial applications
Typical Applications:
Used during engine overhauls and repairs on Lister Petter H‐series engines after crankshaft regrind to -0.040 in (approx. -1.02 mm). Common in generators, pumps, compressors, agricultural equipment, and construction machinery where dependable, long-term engine performance is required.
Also known as:
Main bearing shells, crankshaft main bearings, bottom-end bearings, undersize main shells, 0.040 in undersize main bearing (approx. 1.02 mm), engine main bearing set for Lister Petter H‐series.
Fits Models:
HA4/6, HA46, HB4/6, HB46, HS6, HW4/6, HW46, HWS6
Alternate Part Numbers:
352-12671/040, 35212671040
Product Specifications
| L&S Part No. | 352 12671 040 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| OEM No. | 352-12671/040 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter main bearing for HA4/6 and HB4/6 engines - 0.040 in undersize for reground crankshaft journals - Durable bearing alloy for long service life - Precision fitment reduces friction and wear - Suitable for vintage Lister Petter H-series engines |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
