# 893640T01 Mercury MerCruiser Voltage Regulator | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Voltage Regulator / Rectifier - Part Number: 893640T01

  

A genuine Quicksilver voltage regulator / rectifier for selected Mercury and Mariner EFI FourStroke outboards. This regulator converts and controls charging-system output to maintain stable battery charging voltage and protect onboard electrical systems.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM voltage regulator / rectifier

• Correct Mercury part number 893640T01

• Used on selected 30HP to 60HP EFI FourStroke engines

• Fits selected 3-cylinder and 4-cylinder EFI charging systems

• Helps prevent low-charge, overcharge and unstable charging faults

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 893640T01 current OEM voltage regulator reference

  

OEM / Related Numbers:

  

• 893640T01

• 893640001

• 893640-001

• 893640-T01

• 893640

  

Aftermarket / Verified Equivalents:

  

• Aftermarket regulator / rectifier replacements exist for 893640T01

• OEM regulator recommended for exact charging-system reliability

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner EFI FourStroke charging systems

  

Typically suits:

  

• Engine models:

• Mercury 30HP EFI 3-cylinder FourStroke - serial 1B227000 and up where 893640T01 is specified

• Mercury 40HP EFI 3-cylinder FourStroke - serial 1B227000 to 1B355027

• Mercury 40HP EFI 3-cylinder FourStroke - serial 0P401000 to 0P515896

• Mercury 40HP EFI 3-cylinder FourStroke - serial 1C000001 to 1C043416

• Mercury 40HP EFI 3-cylinder FourStroke - serial 1C043417 to 1C456299

• Mercury 40HP EFI 3-cylinder FourStroke - serial 1C456300 and up

• Mercury 35HP EFI Jet 4-cylinder FourStroke - serial 1C453840 and up

• Mercury 40HP EFI 4-cylinder FourStroke - serial 1B227000 and up where specified

• Mercury 40HP EFI 4-cylinder FourStroke - serial 0P401000 and up where specified

• Mercury 40HP EFI 4-cylinder FourStroke - serial 1C000001 to 1C050251

• Mercury 40HP EFI 4-cylinder FourStroke - serial 1C050252 to 1C453839

• Mercury 40HP EFI 4-cylinder FourStroke - serial 1C453840 and up

• Mercury 40HP EFI Jet 4-cylinder FourStroke - serial 1C051324 and up where specified

• Mercury 40HP EFI SeaPro 4-cylinder FourStroke - serial 1C453840 and up

• Mercury 50HP EFI 4-cylinder FourStroke - serial 1B227000 and up where specified

• Mercury 50HP EFI 4-cylinder FourStroke - serial 0P401000 and up where specified

• Mercury 50HP EFI 4-cylinder FourStroke - serial 1C000001 to 1C050251

• Mercury 50HP EFI 4-cylinder FourStroke - serial 1C050252 to 1C453839

• Mercury 50HP EFI 4-cylinder FourStroke - serial 1C453840 and up

• Mercury 60HP EFI 4-cylinder FourStroke - serial 1B227000 and up where specified

• Mercury 60HP EFI 4-cylinder FourStroke - serial 0P401000 and up where specified

• Mercury 60HP EFI 4-cylinder FourStroke - serial 1C000001 to 1C050251

• Mercury 60HP EFI 4-cylinder FourStroke - serial 1C050252 to 1C453839

• Mercury 60HP EFI 4-cylinder FourStroke - serial 1C453840 and up

• Mercury 60HP EFI SeaPro FourStroke - serial 1C453840 and up

• Mercury 60R EFI Racing FourStroke - serial 1C615064 and up

  

• HP Range: 30HP - 60HP EFI FourStroke, plus 35 Jet, SeaPro and 60R Racing where specified

• Engine Type: Mercury / Mariner EFI FourStroke outboard

• System Type: Charging system voltage regulator / rectifier

  

🔌 Function

  

The regulator / rectifier converts stator output to usable DC voltage and limits charging voltage to protect the battery and electrical system.

  

Common signs of failure:

  

• Battery not charging

• Overcharging or high voltage

• Low charging voltage

• Electrical warning or blown fuses

• Burnt smell, heat damage or charging-system fault

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 267.2 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 267.20 AUD | In stock |

## Images

- 893640T01 Mercury MerCruiser Voltage Regulator | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/893640t01-mercury-mercruiser-voltage-regulator-genuine-quicksilver-oem-part)
> Updated: 2026-05-17