# 84004837 - REGULATOR, VOLTAGE 20 AMP - 16/18/33HP - BRIGGS

84004837 - REGULATOR, VOLTAGE 20 AMP - 16/18/33HP - BRIGGS & STRATTON PARTS

Replacement voltage regulator/rectifier with spark plug cap.  

20 amp  
  
  
Fits Briggs Engines/Spec:  

Vanguard 16HP engine  (Code range  303400 -303499)  
Vanguard 18HP engine  (Code: 350477-1282-E1)  
Vanguard 33hp engine  (Code: 54E177-0001-J1)

Also fits engine code 54E177933806  
  
  
Supersedes: 808297 , 691573 , 847385 , 84004657

## Details

- **Price:** 88.26 USD
- **Vendor:** BRIGGS & STRATTON
- **Tags:** Briggs & Stratton Engine Parts, OEM Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 88.26 USD | In stock |

## Images

- 84004837 - REGULATOR, VOLTAGE 20 AMP - 16/18/33HP - BRIGGS
- 84004837 - REGULATOR, VOLTAGE 20 AMP - 16/18/33HP - BRIGGS

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> Source: [Doc's Full Bore Outdoor](https://parts.docsfullboreoutdoor.com/products/84004837)
> Updated: 2026-05-20