# 25 403 48-S - REGULATOR, VOLTAGE 20-30AMP - AEGIS / COMMAND EFI

25 403 48-S - REGULATOR, VOLTAGE 20-30AMP - AEGIS / COMMAND EFI- KOHLER / REHLKO

Replacement voltage regulator.  20-30amp charging.  
  
Fits Kohler Engines:  
  
Aegis  
LH680  
LH690  
LH775  
ELH775  
  
Command EFI  
ECH630  
ECH730  
ECH749  
  
  
Fits Argo XTV Models:  
  
All with the Kohler 19 EFI, 23hp EFI, 25hp carbureted, 26 EFI, and 30hp EFI from 2004-2020.  
  
  
Supersedes: 25 403 05-S , 25 403 20-S , 25 403 21-S , 25 403 29-S , 25 403 32-S , 25 403

 39-S

## Details

- **Price:** 76.84 USD
- **Vendor:** KOHLER / REHLKO
- **Tags:** Kohler Engine Parts, OEM Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 76.84 USD | In stock |

## Images

- 25 403 48-S - REGULATOR, VOLTAGE 20-30AMP - AEGIS / COMMAND EFI
- 25 403 48-S - REGULATOR, VOLTAGE 20-30AMP - AEGIS / COMMAND EFI
- 25 403 48-S - REGULATOR, VOLTAGE 20-30AMP - AEGIS / COMMAND EFI

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> Source: [Doc's Full Bore Outdoor](https://parts.docsfullboreoutdoor.com/products/25-403-48-s)
> Updated: 2026-05-15