Description
Overview:
The Piston Ring Set Oversize 040 Plus for Lister Petter HA/HW Engines (572 11930/040) is a genuine replacement ring set designed to restore correct sealing and compression in re-bored cylinders. Manufactured from high-quality ring-grade materials to withstand heat, pressure, and abrasive conditions, it helps control blow-by and oil consumption for steady performance. This set is sized at +0.040 in oversize (1.016 mm), making it suitable after a cylinder rebore. It is intended for Lister Petter HA and HW engines used across construction, agricultural, and industrial machinery. As unused old stock, the parts may show minor tarnishing or storage marks, but remain fully serviceable. A precise OEM fit supports reliable operation and helps extend engine life under demanding day-to-day use.
Key Features:
- Genuine Lister Petter part for assured compatibility and performance
- Oversize +0.040 in (1.016 mm) to suit re-bored cylinders and restore correct clearances
- Engineered for high temperature and high pressure service with durable ring metallurgy
- Helps recover compression, reduce blow-by, and stabilise oil control
- Precise fit in OEM ring grooves for consistent sealing across the bore
- Supports smoother starting, improved efficiency, and reduced smoke when paired with good bores
- Suitable for HA and HW engines commonly used in plant and machinery
- Unused old stock: cosmetic ageing from storage only, not affecting function
Typical Applications:
Used during engine rebuilds, rebores, and overhauls of Lister Petter HA/HW units to restore compression and oil control. Common on generators, pumps, compressors, and small plant in construction and agriculture where dependable cold starting and steady running are required.
Also known as:
Oversize 0.040 inch piston rings (1.016 mm), +40 thou ring set, HA/HW oversize ring kit, engine rebore ring set, compression and oil control rings for Lister Petter HA/HW, piston rings for restored cylinder bores.
Fits Models:
HA, HW, HAHW
Product Specifications
| L&S Part No. | 572 11930/040 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| OEM No. | 572 11930/040 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter part ensures compatibility with HA/HW engines - Oversize +0.040 in (1.016 mm) for re-bored cylinders - High-grade materials withstand heat and pressure - Restores compression and reduces blow-by - Precise OEM fit for consistent sealing and performance |
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