Description
Overview:
This regulator/rectifier is a genuine Kohler component for CS-series petrol engines, supplied under OEM No. 63 403 01-S. It converts the alternator's alternating current (AC) to stable direct current (DC) for the charging circuit and electrical accessories, helping the engine run reliably under load. The unit uses a sealed, resin-potted electronic module with a heat-dissipating metal base for durability against vibration and moisture. It is commonly fitted to compact construction and garden machinery powered by Kohler CS engines, including CS8.5 and CS10, and is a direct-fit service replacement for the original part. Built for regular site use, it helps maintain battery health and consistent electrical output, reducing faults caused by unstable voltage. Brand: Kohler. Genuine Part.
Key Features:
- Genuine Kohler part for assured compatibility and performance
- Converts stator AC to stable DC to support charging and onboard electrics
- Helps protect the electrical system from voltage fluctuations
- Sealed, robust construction for vibration and weather resistance
- Heat-dissipating metal base for reliable thermal performance
- Straightforward fitment using existing mounts and connectors
- Direct replacement for OEM No. 63 403 01-S
- Suitable for a wide range of Kohler CS engines used in site and garden equipment
Typical Applications:
Used on equipment driven by Kohler CS engines such as plate compactors, generators, chippers, mowers, pressure washers, tillers, and light plant. It stabilises the charging system for dependable battery charging and consistent operation of lights, ignition support, and accessories in demanding outdoor conditions.
Also known as:
Charging regulator module, rectifier‐regulator unit, AC‐DC charging module, battery charging controller for small engines, Kohler CS series charging unit.
Fits Models:
CS10, CS10-931507, CS10-931508, CS10-931509, CS10-931607, CS10-931608, CS10-931609, CS10-931626, CS10GTS-931507, CS10S-931509, CS10ST-931508, CS12, CS12-941507, CS12-941508, CS12-941509, CS12-941512, CS12GTS-941507, CS12GTS-941512, CS12S-941509, CS12ST-941508, CS6, CS6-911509, CS8.5, CS8.5ST-921507, CS85
Alternate Part Numbers:
63 403 01S, 6340301-S, 6340301S
Product Specifications
| L&S Part No. | 63 403 01-S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kohler |
| OEM No. | 63 403 01-S |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Kohler |
| Key Features | - Converts AC to stable DC for charging and electrics - Sealed module with metal base resists vibration and moisture - Direct replacement for OEM No. 63 403 01-S - Fits Kohler CS engines, including CS8.5 and CS10 - Protects electrical system from voltage fluctuations |
| Fits Models | CS10 | CS12 | CS6 | CS8.5 |


