# 8M0058226 Mercury MerCruiser Rectifier | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Rectifier Assembly - Part Number: 8M0058226

  

A genuine Quicksilver rectifier assembly used across selected Mercury and Mariner 2-stroke outboard charging systems. This square 3-post rectifier converts AC charging output to DC current for battery charging and electrical-system operation.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM rectifier

• Correct Mercury part number 8M0058226

• Supersedes 816770 / 816770T rectifier references

• Square 3-post rectifier style

• Used across selected Mercury / Mariner 2-stroke outboard electrical systems

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 8M0058226 → Supersedes 816770T

• 816770T → Supersedes 816770

• 816770 → Supersedes earlier 62351 / 62351A-series references

  

OEM / Related Numbers:

  

• 8M0058226

• 816770

• 816770T

• 62351

• 62351A1

• 62351A2

• 49184

• 83-70350A1

• 83-70350A3

• 332-2910

• 332-2910A1

• 332-2910A2

• 332-2910A3

• 78614

• 78614A1

  

Aftermarket / Verified Equivalents:

  

• Sierra: 18-5707

• CDI Electronics: 154-6770

• Mallory: 9-17100

• GLM: 72310

• ARCO: AR351

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner 2-stroke outboard charging systems using the square 3-post rectifier

  

Typically suits:

  

• Engine models:

• Mercury / Mariner 6HP to 25HP 2-stroke applications where 8M0058226 / 816770 is specified

• Mercury / Mariner 7.5HP to 300HP 2-stroke applications using the square 3-post rectifier style

• Mercury / Mariner 20HP 2-stroke, 1977 charging-system applications using 816770-style rectifier

• Mercury / Mariner 20HP 2-stroke, 1984-2004 charging-system applications using 816770-style rectifier

• Mercury / Mariner 18HP / 20HP / 25HP 2-stroke, 1984-1994 rectifier applications using 816770

• Mercury / Mariner 40HP 2-stroke terminal-block rectifier applications, including 1990 40HP 4-cylinder style applications where specified

• Mercury 850 85HP 4-cylinder - serial 3493913 to 4366801, starter motor and wiring harness applications where 8M0058226 is specified

• Mercury / Mariner 40HP to 125HP terminal block rectifier applications where 8M0058226 is specified

• Mercury / Mariner V6 150HP to 200HP two-stroke charging systems where 816770 / 8M0058226 rectifier is specified

• Mercury / Mariner 2-cylinder, 3-cylinder, 4-cylinder and 6-cylinder 2-stroke outboards using square 3-post rectifier 8M0058226

  

• HP Range: broad 2-stroke coverage where the square 3-post rectifier is fitted

• Engine Type: Mercury / Mariner 2-stroke outboard

• System Type: Charging system rectifier

  

🔌 Function

  

The rectifier converts AC output from the stator into DC current for battery charging and electrical-system supply.

  

Common signs of failure:

  

• Battery not charging

• Tachometer stops working or reads incorrectly

• Battery voltage remains low while engine is running

• Burnt or corroded rectifier terminals

• Charging-system AC / DC test fails

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 141.9 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 141.90 AUD | In stock |

## Images

- 8M0058226 Mercury MerCruiser Rectifier | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/8m0058226-mercury-mercruiser-rectifier-genuine-quicksilver-oem-part)
> Updated: 2026-05-17