Description
Overview:
This O-Ring (1.78 inches / 45.21 mm diameter) is a Genuine Kohler part, OEM No. 12 153 05-S, used to create a reliable seal in Kohler petrol engines. Made from a durable engine-grade elastomer, it helps prevent fluid leaks and maintain system pressure around covers, housings, and fittings. Designed for Kohler equipment in garden, grounds care, and light construction use, it is suitable for routine servicing or repairs. Correct sealing supports performance and helps extend component life by keeping oil and fuel where they should be. It is compatible with a wide range of engines, including CH11 and CH410, and is built to Kohler's OEM standards for fit and function.
Key Features:
- Genuine Kohler part for assured compatibility and quality (OEM No. 12 153 05-S)
- Diameter: 1.78 inches (45.21 mm) for the specified applications
- Engine-grade elastomer resists common oils, fuels, and service fluids
- Stable sealing under typical engine temperature and pressure variations
- Helps prevent oil and fuel leaks to maintain engine performance
- Accurate fit on listed Kohler engine models to reduce rework
- Simple to install with basic hand tools, minimising downtime
- Ideal as a preventative replacement during scheduled maintenance
- Supports long-term reliability by replacing worn or flattened seals
- Backed by Kohler's manufacturing and material standards
Typical Applications:
Used in Kohler engine assemblies to seal joints between covers, housings, and fittings where fluids or crankcase pressure are present. Typical locations include pump or filter covers, sump or crankcase interfaces, and other serviceable points that rely on an O-ring to prevent oil or fuel seepage during operation.
Also known as:
Seal ring, sealing O-ring, toroidal seal, engine sealing ring, rubber ring, Kohler sealing gasket (O-ring style).
Fits Models:
CH11, CH410, CH430, CH450, CV682, CV732, CV742, CV752, ECV630, ECV650, ECV680, ECV730, ECV740, ECV749, ECV850, ECV860, ECV870, ECV880, FCV740, PCV680, PCV740, PCV850, PCV860
Alternate Part Numbers:
12 153 05S, 1215305-S, 1215305S
Product Specifications
| L&S Part No. | 12 153 05-S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kohler |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Kohler |
| Key Features | - Genuine Kohler part, OEM No. 12 153 05-S - Diameter: 1.78 inches (45.21 mm) - Engine-grade elastomer resists oils and fuels - Compatible with CH11, CH410, and more - Prevents leaks, maintains engine performance |
| Fits Models | FCV740 | PCV680 | PCV740 | PCV850 | PCV860 | ECV630 | ECV650 | ECV680 | ECV730 | ECV740 | ECV749 | ECV850 | ECV860 | ECV870 | ECV880 | CH11 | CH410 | CH430 | CH450 | CV682 | CV732 | CV742 | CV752 |
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