Description
Overview:
The Spring Valve Set for Loncin petrol engines is a genuine Loncin replacement that restores correct valve control and reliable running. Supplied as a matched set, the springs are manufactured from high‐grade spring steel for consistent tension and long service life. They maintain proper seating of the inlet and exhaust valves, helping the engine start cleanly, idle smoothly, and deliver stable power under load. Designed for Loncin horizontal‐shaft engines commonly used in generators and compact construction or garden machinery, this set is a direct fit for models such as G240F and G270F. Genuine Part, OEM No. 381150334-0001, for users who want the correct specification parts to keep equipment dependable and easy to service.
Key Features:
- Genuine Loncin part for assured fit and function (OEM No. 381150334-0001)
- Made from durable, high-tensile spring steel to resist fatigue and set
- Maintains accurate valve timing and seating for stable performance
- Direct replacement for worn or weakened valve springs
- Helps reduce hard starting, misfires, and power loss due to valve float
- Consistent spring rate supports smooth idle and cleaner combustion
- Suitable for heavy, frequent use in trade and hire environments
- Compatible with a wide range of Loncin engines used on generators, pumps, and machinery
- Straightforward installation with standard workshop tools
- Cost-effective preventative maintenance to protect cylinder head components
Typical Applications:
Used during routine top-end servicing or repairs on Loncin engines powering portable generators, water pumps, plate compactors, pressure washers, tillers, and other construction or garden equipment. Ideal when refurbishing cylinder heads, addressing valve bounce at high load, or replacing springs that have lost tension through hours of operation or heat cycling.
Also known as:
Valvetrain springs, inlet/exhaust valve return springs, poppet valve spring set, cylinder head valve springs, engine valve return spring pack.
Fits Models:
G240F
G240FC
G270F
G270FB
G270FC
G270FD
G340F
G340FD
G340FI
G340FL
G390FD
G420FD
LC5000-F
LC5000F
LC6500D-F
LC8000D-F
Product Specifications
| L&S Part No. | 381150334-0001 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Loncin |
| OEM No. | 381150334-0001 |
| Unit of Sale | 1 |
| Applications | G240F, G240FC, G270F, G270FB, G270FC, G270FD, G340F, G340FD, G340FI, G340FL, G390FD, G420FD, LC5000-F, LC5000F, LC6500D-F, LC8000D-F |
| Machine Type | Engines |
| Fits Brands | Loncin |
| Fits Models | G240F C Shaft (242cc, 7hp) | G270F B Shaft (270cc, 8hp) | G270F C Shaft (270cc, 8hp) | G270FD (270cc, 8hp) | G340F I Shaft (337cc, 10hp) | G340F L Shaft (337cc, 10hp) | G340FD (337cc, 10hp) | G390FD (389cc, 11hp) | G420FD Taper Shaft (420cc, 12hp) | G420FD U Shaft (420cc, 12hp) | LC5000-F | LC6500D-F | LC8000D-F |
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