# 8M0050522 Mercury MerCruiser 8M057748 Oil Seal Carrier Assembly | Genuine Quicksilver OEM Part

🔧 Product Description

  

Genuine Quicksilver Oil Seal Carrier Assembly - Part Number: 8M0050522

  

A genuine Quicksilver oil seal carrier assembly used in selected Mercury / Mariner 65HP to 150HP EFI and FourStroke gearcase applications. This carrier is fitted in the lower-unit gear housing and supports the propeller shaft / driveshaft sealing arrangement depending on the gearcase diagram.

  

⚙️ Key Features

  

• Genuine Quicksilver OEM oil seal carrier assembly

• Correct Mercury part number 8M0050522

• Cross-referenced with 8M0057748 carrier assembly

• Used on selected 65HP to 150HP Mercury / Mariner outboard gearcases

• Supports correct lower-unit sealing and gearcase oil retention

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 8M0057748 related / later oil seal carrier reference

• 8M0050522 earlier / related oil seal carrier reference

  

OEM / Related Numbers:

  

• 8M0050522

• 8M0057748

• 8M057748 title shorthand / typo reference

• 8M0028663 related carrier / gearcase reference

• 853651 related driveshaft bearing retainer

• 8M0057716 related gearcase seal kit reference

  

Aftermarket / Verified Equivalents:

  

• Recmar: REC8M0057748

• GLM-style oil seal carrier equivalents may exist for selected applications

  

🚤 Compatibility

  

Commonly used on:

  

• Mercury / Mariner 65HP to 150HP EFI and FourStroke lower gearcase oil seal carrier applications

  

Typically suits:

  

• Engine / gearcase models:

• Mercury 65 Jet FourStroke gear housing, 2.38:1 standard / counter rotation - serial 2B095049 and up

• Mercury 65 Jet FourStroke gear housing, 2.07:1 standard rotation - serial 2B095049 and up

• Mercury 75HP EFI FourStroke gear housing applications - serial 2B095049 and up where 8M0050522 / 8M0057748 is specified

• Mercury 80HP EFI FourStroke gear housing applications - serial 2B095049 and up where specified

• Mercury 80 Jet FourStroke gear housing applications - serial 2B095049 and up where specified

• Mercury 90HP EFI FourStroke gear housing applications - serial 2B095049 and up where specified

• Mercury 100HP EFI FourStroke gear housing applications - serial 2B095049 and up where specified

• Mercury 115HP EFI FourStroke gear housing applications - serial 2B095049 and up where specified

• Mercury 150HP FourStroke gear housing, standard / counter rotation - serial 1B905505 and up

• Mercury 150HP SeaPro FourStroke gear housing, standard / counter rotation - serial 2B139139 and up

• Mercury 90HP / 100HP / 115HP / 150HP 2.1L EFI gearcase applications using carrier 8M0050522 / 8M0057748

• Mercury / Mariner 65HP - 150HP EFI lower-unit gearcases where the parts diagram specifies 8M0050522 or 8M0057748

  

• HP Range: commonly 65HP - 150HP where specified

• Engine Type: Mercury / Mariner EFI FourStroke outboard

• System Type: Lower-unit oil seal carrier / gearcase sealing component

  

🔌 Function

  

The oil seal carrier supports the gearcase seal arrangement, helping retain gear oil and prevent water entry into the lower unit.

  

Common signs of failure:

  

• Gear oil leakage from lower-unit seal area

• Water contamination in gear oil

• Failed pressure / vacuum test

• Corroded, cracked or damaged carrier

• Seal carrier replacement required during lower-unit reseal service

  

📦 Condition

  

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 27.8 AUD
- **Vendor:** Quicksilver
- **Tags:** Quicksilver Marine Parts | Oils Service Kits & Engine Components

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 27.80 AUD | In stock |

## Images

- 8M0050522 Mercury MerCruiser 8M057748 Oil Seal Carrier Assembly | Genuine Quicksilver OEM Part
- 8M0050522 Mercury MerCruiser 8M057748 Oil Seal Carrier Assembly | Genuine Quicksilver OEM Part
- 8M0050522 Mercury MerCruiser 8M057748 Oil Seal Carrier Assembly | Genuine Quicksilver OEM Part
- 8M0050522 Mercury MerCruiser 8M057748 Oil Seal Carrier Assembly | Genuine Quicksilver OEM Part
- 8M0050522 Mercury MerCruiser 8M057748 Oil Seal Carrier Assembly | Genuine Quicksilver OEM Part

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> Source: [Sawley's Auto and Marine](www.sawleysautoandmarine.com.au/products/8m0050522-mercury-mercruiser-8m057748-oil-seal-carrier-assembly-genuine-quicksilver-oem-part)
> Updated: 2026-05-17