Description
Overview:
This is a genuine Lister Petter engine valve to fit Lister HA diesel engines, supplied under Manufacturer Part Number (MPN) 291 50140. Built from durable metal, it forms part of the valvetrain, opening and closing the intake or exhaust ports to maintain correct combustion and engine efficiency. It is suitable for routine maintenance or repairs on Lister HA engines used in generators, pumps, compressors and industrial plant. As unused old stock, it remains an authentic OEM component while potentially showing storage-related marks or tarnishing that do not affect function. Designed for long service life and reliable sealing in the cylinder head, this valve helps restore performance and extend the working life of HA-series machinery.
Key Features:
- Genuine Lister OEM valve for assured fit and function on HA engines
- Robust metal construction engineered for diesel engine temperatures and pressures
- Precision-made stem and head for dependable sealing and smooth operation
- Helps maintain compression, power output and fuel efficiency
- Suitable for preventive maintenance or like-for-like replacement of worn valves
- Unused old stock; may show cosmetic ageing without affecting performance
- Compatible with existing OEM guides, seats and collets where in serviceable condition
- Straightforward installation for experienced DIY users and professional mechanics
Typical Applications:
Ideal for overhauling Lister HA engines found in agricultural equipment, site generators, water pumps, welders and industrial drives. Use when rebuilding cylinder heads, addressing loss of compression, poor starting, smoke, misfiring or excessive valve clearances. Suitable for scheduled maintenance, engine restorations and returning older machinery to reliable daily service.
Also known as:
Poppet valve, inlet valve, exhaust valve, cylinder head valve, valvetrain component, valve stem and head, HA series valve, OEM valve assembly for Lister HA.
Fits Models:
HA
Alternate Part Numbers:
291-50140, 29150140
Product Specifications
| L&S Part No. | 291 50140 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| OEM No. | 291 50140 |
| Unit of Sale | 1 |
| Size | Head Size 42mm (1 5/8") |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister OEM valve for HA diesel engines - Durable metal construction for high temperatures and pressures - Precision-made for reliable sealing and operation - Compatible with existing OEM guides and seats - Suitable for maintenance or replacing worn valves |
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