Description
Overview:
The Piston Ring Set for Petter AB/AC Standard Size Engines is a genuine Lister Petter part designed to restore and maintain engine sealing performance. Built to factory specification for standard-bore cylinders, it helps preserve compression and control oil consumption in Petter AB and AC engines. As OEM 391820, it offers dependable compatibility and the correct fit for vintage units that are still in service on plant, agricultural and industrial equipment. This set is supplied as unused old stock and may show light tarnishing or storage marks, but this does not affect function. Made with engine-grade materials and precision finishes, it supports reliable running, stable power delivery and reduced blow-by, helping extend the service life of your engine with an OEM-quality solution.
Key Features:
- Genuine Lister Petter part for assured compatibility and quality (OEM 391820)
- Standard-size ring set for unrebored cylinders on Petter AB and AC engines
- Precision finished to help restore compression and reduce oil consumption
- Supports cleaner running by minimising blow-by and exhaust smoke
- Durable construction for long service life in demanding industrial use
- Suitable for ongoing maintenance of vintage engines still in daily operation
- Unused old stock: cosmetic ageing possible; performance remains unaffected
- Direct-fit replacement to OEM tolerances to simplify installation and setup
- Helps maintain cold-start performance and steady idle when engine is in good order
- Cross-reference: ABC11/13 for identification in older parts catalogues
Typical Applications:
Used during engine servicing or overhaul of Petter AB and AC units powering generator sets, water pumps, site lighting, compressors, cement mixers, agricultural machinery and other small plant. Ideal where compression has dropped or oil usage has increased, returning the cylinder sealing system to OEM standards for dependable everyday operation.
Also known as:
Piston ring kit for Petter engines, ring pack, standard-bore ring set, compression and oil control rings for Petter AB/AC, cylinder ring set, engine ring set, rebuild rings, OEM ring set for vintage Petter diesels.
Fits Models:
AB, AC, ABAC
Alternate Part Numbers:
ABC11/13
Product Specifications
| L&S Part No. | 391820 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| OEM No. | 391820 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter part, OEM 391820 - Standard-size for unrebored Petter AB/AC engines - Precision finished to restore compression, reduce oil use - Durable for long service life in industrial use - Direct-fit replacement simplifies installation and setup |
