Description
Overview:
The Inlet/Exhaust Valve for JAP Model 5 engines (MPN 14818) is a genuine Villiers replacement part for restoring reliable breathing and sealing in vintage powerplants. Made from machined steel, it is suitable for use as either the inlet or the exhaust valve, simplifying sourcing when working on a JAP Model 5 or JAP 5 engine. As unused old stock, it retains original factory specification and build quality, though minor tarnish or storage marks may be present. This valve is intended for technicians, restorers, and hobbyists maintaining classic stationary engines used across small plant and heritage machinery. Correct valve operation helps maintain compression, stable running, and starting performance, making this component an important service item during a rebuild or overhaul.
Key Features:
- Genuine Villiers part for assured compatibility and fit with JAP Model 5 engines
- Dual-purpose design: suitable for either inlet or exhaust positions to simplify repairs
- Steel construction for durability under heat, load, and repeated cycling
- Unused old stock (NOS) with original manufacturing standards; may show light storage tarnish
- Direct replacement for worn, pitted, or burnt valves to restore sealing and running quality
- Precision-machined faces and stem for consistent operation in the guide and on the seat
- Designed to match OEM geometry for correct lift, timing relationship, and clearance setting
- Suitable for full rebuilds or routine top-end refresh during scheduled maintenance
Typical Applications:
Used when rebuilding or servicing JAP Model 5 engines in vintage equipment. Appropriate for bringing heritage machinery back to working order, maintaining reliable operation on period small plant, or completing authentic restorations. Ideal when addressing poor compression, misfiring, or hard starting linked to valve wear, burning, or seat leakage.
Also known as:
Poppet valve, valve head, intake poppet, exhaust poppet, gas‐exchange valve, inlet valve component, exhaust valve component, JAP 5 replacement valve.
Fits Models:
JAP 5
JAP Model 5
JAP5
JAPModel5
Product Specifications
| L&S Part No. | 14818 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | 14818 |
| Unit of Sale | 1 |
| Applications | JAP 5, JAP Model 5, JAP5, JAPModel5 |
| Machine Type | Engines |
| Fits Brands | JAP |
| Fits Models | JAP 5 |
