Description
Overview:
This valve spring retainer is a non-genuine replacement for Yanmar small diesel engines, designed to secure the valve spring on the valve stem and keep correct valve tension during operation. Precision-machined steel construction provides dependable strength under heat and vibration, supporting reliable compression and timing. It is suitable for Yanmar L40 and L48 series engines and associated variants used across compact plant and machinery. The part replaces OEM reference 114250-11180 and corresponds to Manufacturer Part Number (MPN) 320 343. Use it during head rebuilds or valve train maintenance to restore proper spring seating and reduce wear on associated components. Non Genuine Part, built for easy, direct replacement with standard workshop tools on well-maintained engines.
Key Features:
- Non-genuine replacement engineered to substitute OEM 114250-11180 for cost-effective maintenance
- Compatible with Yanmar L40 and L48 series for a straightforward, accurate fit
- Robust steel body resists fatigue, heat, and vibration in long-duty operation
- Smooth seating surface helps keep the spring aligned and reduces component wear
- Stable geometry maintains correct spring height and tension for reliable valve timing
- Drop-in format; no machining required when replacing like-for-like parts
- Suitable for routine overhauls and corrective repairs using standard valve spring tools
Typical Applications:
Used when servicing the cylinder head or valve gear on Yanmar single-cylinder diesel engines found in generators, water pumps, plate compactors, tillers, and other small plant. Ideal for fixing damaged or worn retainers, addressing valve float or poor compression, and restoring consistent valve operation during preventative maintenance or full rebuilds.
Also known as:
Valve spring cap, retainer cap, spring cap, top spring retainer, valve cap. These terms are commonly used for the component that locates and secures the valve spring at the top of the assembly.
Fits Models:
170F, L40, L40AE, L48
Alternate Part Numbers:
114250-11180, 11425011180
Product Specifications
| L&S Part No. | 320 343 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Chinese, Yanmar |
| Key Features | - Non-genuine replacement for OEM 114250-11180 - Compatible with Yanmar L40 and L48 series - Precision-machined steel resists heat and vibration - Smooth surface reduces component wear - Drop-in format; no machining required |
| Fits Models | L40AE |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Pair of Valve Collets for Yanmar L40 L48 Engines£3.54 £2.95
Related Products
-
![]()
Rocker Cover Gasket for Yanmar L40 L48 L60 L70£1.20 £1.00 -
![]()
Crank Case Gasket for Yanmar L40 L48£4.20 £3.50
