Description
Overview:
The Sems Drill 8-18 x 1/2 inch (12.7 mm) screw is a genuine Kohler fastener engineered for reliable use in Kohler petrol engines used on construction and garden machinery. As a SEMS screw, it includes a captive washer for secure clamping and quicker assembly. The No. 8, 18 TPI thread is suited to common engine fixings, helping prevent loosening under vibration. Manufactured from durable steel, it provides a firm, repeatable hold on service parts and covers. It is suitable for routine maintenance and repairs on engines such as the Kohler CV26 and CV25, and many others in the Command and LV ranges. OEM No. 25 086 40-S ensures direct compatibility and an accurate fit without modification.
Key Features:
- Genuine Kohler part for correct fit and specification (OEM No. 25 086 40-S)
- SEMS design with captive washer for faster, easier installation
- No. 8 thread, 18 TPI for common engine fastening tasks
- 1/2 inch (12.7 mm) length suited to covers, brackets, and light fixtures
- Steel construction for strength and dependable clamping under vibration
- Helps maintain alignment and stability of engine components
- Compatible with a wide range of Kohler CV and LV models
- Straightforward replacement with standard hand tools
Typical Applications:
Used to secure engine shrouds, air cleaner housings, brackets, and ancillary covers on Kohler engines fitted to lawn tractors, mowers, generators, compact equipment, and similar machinery. Ideal for maintenance tasks where a short, robust screw with an integrated washer is required.
Also known as:
Kohler SEMS flange screw, No. 8-18 engine screw, Kohler fixing screw, engine fastener, captive-washer screw, service screw for Kohler engines.
Fits Models:
CV1000, CV25, CV26, CV730, CV740, CV750, CV752, CV940, CV960, CV980, LV625, LV675, LV680
Alternate Part Numbers:
25 086 40S, 2508640-S, 2508640S
Product Specifications
| L&S Part No. | 25 086 40-S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kohler |
| OEM No. | 25 086 40-S |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Kohler |
| Key Features | - Genuine Kohler part ensures correct fit (OEM No. 25 086 40-S) - SEMS design with captive washer for quick assembly - No. 8 thread, 18 TPI for engine fastening - 1/2 inch length for covers and brackets - Steel construction for strength under vibration |
| Fits Models | LV625 | LV675 | LV680 | CV26 | CV25 | CV730 | CV740 | CV750 | CV752 | CV940 | CV960 | CV980 | CV1000 |

