12V Regulator Rectifier for Briggs & Stratton 8-20HP Engines 691188 491546 794360
12V Regulator Rectifier for Briggs & Stratton 8-20HP Engines 691188 491546 794360
SKU:230-22030
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Regulator Rectifier for Briggs & Stratton 8-20HP
Premium Quality Replacement Part - 12V 10-16 Amp
Maintain the health of your small engine's electrical system with this high-performance 12V Voltage Regulator Rectifier. Specifically engineered for Briggs & Stratton engines ranging from 8HP to 20HP, this unit converts AC voltage from the alternator into DC voltage to charge your battery and power on-board electronics. A failing regulator can lead to battery overcharging, flickering lights, or a completely dead electrical system—this direct replacement restores factory charging performance.
Key Features
- ✔ Direct Fit: Plug-and-play installation
- ✔ 3-Terminal Design: Industry standard layout
- ✔ Protective Circuitry: Prevents battery overcharging
- ✔ Versatile: Fits wide range of 8-20HP models
Technical Specs
| Voltage: | 12V DC (nominal) |
| Amperage: | 10-16 Amp Systems |
| Terminals: | 3 Pins (in a row) |
| Casing: | Die-Cast Aluminum |
| Mounting: | Dual-Hole Flange |
Compatibility / Fitment Guide
| Engine Series | Example Models | Notes |
|---|---|---|
| 21 Series | 21A800, 21A900, 21B900 | Single & Twin Cylinder |
| 28 Series | 28M700, 28N700, 28P700, 28Q700 | 10-16 Amp Dual Circuit |
| 31 Series | 31A600, 31C700, 31G700, 31P700 | Inteq / PowerBuilt Engines |
| 40/44 Series | 40H700, 441700, 445500 | V-Twin Applications |
OEM Cross Reference
| Briggs & Stratton | 691188, 491546, 794360, 793360, 394890, 691185 |
| Stens / DB Electrical | 435-227, 230-22018 |
Questions & Answers
Is this a genuine original part?
This is a premium quality 4Drive aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for durability and fitment.
How do I know if it is compatible?
Check the number of terminals and your original part number. This unit is a 3-pin regulator designed for 10-16 Amp dual output charging systems common on engines between 8HP and 20HP.
Will this fix flickering headlights?
Yes, flickering lights are often a symptom of a failed rectifier that can no longer provide a steady DC output. Replacing the regulator usually resolves flickering and weak charging issues.
Note: Always disconnect the battery before installing electrical components. Verify your original part number matches the references above (e.g., 691188 or 794360) for guaranteed fitment. Shop with confidence at 4drive.co.uk.
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