Description
This pinion gear is a Genuine Villiers part for the MK25 engine fitted with the 5.2:1 reduction box. Identified by OEM No. DM1651, it is a precision-machined steel gear designed to transfer drive smoothly from the engine to the reduction gearbox, maintaining the correct reduction ratio and consistent output speed. Built for durability, the pinion’s tooth profile is engineered for clean meshing and reliable torque transmission under continuous use on vintage machinery. Supplied as unused old stock, it may show minor tarnishing or storage marks that do not affect performance. Ideal for restoring or maintaining Villiers MK25-powered equipment, it helps resolve issues such as noisy gear engagement, poor drive, or erratic output caused by worn gear teeth.
Key Features:
– Genuine Villiers component for assured compatibility and function (OEM No. DM1651)
– Direct replacement for the MK25 5.2:1 reduction bopinion
– Precision-machined steel construction for strength and long service life
– Accurate tooth form for smooth, efficient power transfer and reduced wear
– Helps maintain the correct 5.2:1 gearboratio and stable output speed
– Suitable for vintage restorations; unused old stock with possible cosmetic tarnish only
– Supports quiet operation when paired with a correctly matched gear set
– Straightforward fitment when replacing like-for-like parts; no modifications typically required
– Reliable choice for preventative maintenance on classic small plant and garden machinery
– Aids in reducing vibration and improving drive consistency under load
Typical Applications:
Used in the Villiers MK25 reduction boon classic small plant, generators, pumps, compact mixers, rotavators, and similar machinery. Commonly selected to replace worn or chipped pinions, restore smooth meshing, and maintain dependable drive on equipment that sees intermittent or regular service in workshops, farms, estates, and light construction settings.
Also known as:
Reduction gearbopinion, MK25 drive pinion, DM1651 pinion gear, primary pinion gear, gearbodrive gear, Villiers reduction gear pinion, pinion gearwheel for 5.2:1 box, MK25 input pinion.
Fits Models:
MK25
Product Specifications
| L&S Part No. | DM1651 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| OEM No. | DM1651 |
| Unit of Sale | 1 |
| Applications | MK25 |
| Machine Type | Engines |
| Fits Brands | Villiers |
| Fits Models | MK25 / C25 |






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