Description
Overview:
This Seat Nozzle is a Genuine Yanmar part designed for the fuel injection system on small single‐cylinder diesel engines. Manufactured as a precision‐machined steel ring, it supports and seals the injector nozzle within the assembly, helping to maintain correct fuel atomisation, stable combustion, and reliable starting. It is suitable for popular Yanmar L‐series engines used across construction and garden machinery, including compactors, generators and pumps. Compatible with models such as the L38N and L48N‐S, it provides a dependable replacement when the original seating surface is worn, pitted, or damaged. Supplied under Manufacturer Part Number 114240-11550, this component helps restore performance, reduce smoke and misfire symptoms linked to poor sealing, and protect the injector and cylinder head from further wear.
Key Features:
- Genuine Yanmar part for assured compatibility and quality
- Correct fit for listed L‐series engines for straightforward replacement
- Precision‐machined steel construction for durability and stability
- Maintains fuel spray pattern and combustion efficiency
- Helps reduce hard starting, rough running and excessive smoke caused by worn seats
- Resistant to heat, pressure and diesel exposure in demanding engine conditions
- Suitable for routine injector servicing to minimise downtime
- Supplied as MPN 114240-11550; directly interchangeable with 11424011550
Typical Applications:
Used during injector maintenance or overhaul on Yanmar single‐cylinder diesel engines powering equipment such as plate compactors, generators, water pumps, light plant, small agricultural machines and garden machinery. Ideal when refurbishing the injection nozzle assembly to restore sealing, combustion stability and overall engine efficiency.
Also known as:
Injector seating ring, injection nozzle base ring, diesel atomiser seat ring, injector spacer ring, fuel nozzle seat washer, nozzle base spacer, injector sealing ring (nozzle), fuel delivery nozzle ring.
Fits Models:
L100N, L38N, L48N, L48N-S, L48NS, L70N
Alternate Part Numbers:
114240-11550, 11424011550
Product Specifications
| L&S Part No. | 114240 11550 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Yanmar |
| OEM No. | 114240-11550 |
| Unit of Sale | 1 |
| Applications | L100N, L38N, L48N, L48N-S, L48NS, L70N |
| Machine Type | Engines |
| Fits Brands | Yanmar |
| Fits Models | L48N-S (Mixer) | L100N | L48N | L70N |
