Description
Overview:
This non‐genuine Engine Bonnet is a replacement top cover for Yanmar single‐cylinder diesel engines, providing robust protection for the upper engine assembly. Built from pressed steel with a hard‐wearing painted finish, it shields the valve gear and related components from dust, debris, moisture and day‐to‐day site grime. It replaces OEM reference 114250-11951 and is identified by MPN 320 172. Designed for small plant and equipment such as compactors, generators and water pumps, it helps maintain reliability by keeping contaminants away from critical moving parts. The bonnet offers a precise fit on Yanmar L‐series engines, with a focus on straightforward installation using existing fixings. Suitable for models including the L40 and L48, it is a practical, cost‐effective alternative to an OEM cover for routine maintenance or damaged part replacement. This is a Non Genuine Part.
Key Features:
- Non genuine direct replacement for Yanmar 114250-11951 (MPN 320 172)
- Pressed steel construction with a durable painted finish for long service life
- Precision fit to the listed Yanmar L‐series models for reliable seating
- Protects the top end from dust, debris and light impact during operation
- Helps maintain cleanliness around the valve gear and rocker assembly
- Straightforward installation using existing bolts and hardware
- Suitable for demanding site, workshop and garden machinery use
- Cost‐effective alternative to a genuine cover without compromising fit
Typical Applications:
Used during engine overhauls, routine servicing, or when the original cover is dented, corroded or missing. Common on compactors, generators, pressure washers, pumps and other small plant powered by Yanmar L‐series engines operating outdoors or in dusty conditions, where reliable protection of the top end is essential.
Also known as:
Rocker cover, valve cover, cylinder head cover, top cover, engine hood, cam/valvetrain cover. These terms are often used interchangeably for the protective lid that seals and shields the upper engine assembly on small diesel engines.
Fits Models:
L40, L40AE, L48, L60, L60AE, L70
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