Description
Overview:
The Valve Spring for Jap Models 4F Industrial Engine (OEM 22449) is a genuine Jap replacement component made from robust spring steel. It is designed to maintain correct valve tension and reliable valve return, helping to preserve compression, timing accuracy, and clean valve seating. Purpose-built for the Jap 4F engine used across industrial plant and machinery, this helical compression spring is suitable for demanding service where heat, oil, and vibration are present. Supplied as unused old stock, it may show cosmetic tarnishing or storage marks that do not affect function. A like-for-like fit with the original, it is a practical choice when refurbishing the top end, replacing tired springs, or restoring a Jap 4F engine to dependable running.
Key Features:
- Genuine Jap part for assured compatibility and function (OEM 22449)
- Durable spring steel construction for fatigue resistance and long service life
- Consistent closing force to support stable idle and reduced valve float
- Performs reliably under heat, oil, and vibration in industrial use
- Made to original specification for straightforward fitting in the 4F engine
- Helps restore compression, starting performance, and throttle response
- Unused old stock; cosmetic tarnish from storage may be present only
- Ideal for preventative maintenance or during a cylinder head overhaul
Typical Applications:
Used when servicing or rebuilding Jap 4F industrial engines fitted to site mixers, water pumps, generators, compressors, and light plant. Suitable for valve train maintenance, replacing weakened or fatigued springs, and keeping engines running smoothly in construction, agriculture, and workshop settings where reliable performance is required.
Also known as:
J.A.P. 4F valve spring, J.A. Prestwich 4F valve return spring, engine valve spring for Jap 4F, valve train spring for Jap industrial engine, OEM 22449 spring.
Fits Models:
Jap 4F
Product Specifications
| L&S Part No. | 22449 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| OEM No. | 22449 |
| Unit of Sale | 1 |
| Machine Type | Engines |
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