Quicksilver 8M0058391 Gear Case Drain Screw Seal, Mercury Outboards & MerCruiser, Pack of 2
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Quicksilver 8M0058391 Gear Case Drain Screw Seal, Mercury Outboards & MerCruiser, Pack of 2

4.5/5
Product ID: 475303804
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🔩Durable 3/8-16 thread size
⚙️OEM-spec precision fit
🛥️Universal Mercury compatibility

Description

⚓ Seal your ride with confidence — don’t let leaks sink your style!

  • PACK OF TWO - Double up with this convenient 2-pack to keep your marine gear case maintenance on point.
  • EASY INSTALLATION - Designed for quick and secure replacement with standard 3/8-16 drain/fill screws.
  • PRECISION OEM FIT - Engineered to meet Mercury Marine original equipment specs for flawless gear case sealing.
  • DURABLE CONSTRUCTION - Built to withstand harsh marine environments, ensuring long-lasting performance and leak prevention.
  • UNIVERSAL COMPATIBILITY - Fits all Mercury MerCruiser and most Mercury Outboards (except Japanese models) for versatile use.

The Quicksilver 8M0058391 Gear Case Drain Screw Seal is a precision-engineered, OEM-spec replacement seal designed for Mercury MerCruiser and most Mercury Outboards. This durable, easy-to-install 3/8-16 threaded seal ensures leak-proof performance and long-lasting protection in marine gear cases. Sold in a convenient pack of two, it’s the essential upgrade for maintaining your boat’s optimal performance.

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Specifications

Item Package Dimensions L x W x H5.2 x 2.24 x 1.61 inches
Package Weight0.02 Kilograms
Brand NameQuicksilver
Model NameQuicksilver
ManufacturerQuicksilver
Part Number8M0058391
Included ComponentsEnd Product & Information

Reviews

4.5

All from verified purchases

R**E

Perfect replacement for the original

Perfect replacement for the OEM seal/washer. Do not take the chance with a lesser quality seal, as that can be costly.

R**

Great product

Works great

S**.

Perfect replacement

Exact fit. Perfect replacement

M**K

No knockoff

This was a manufactures part, not a knock off so everything was good.

A**R

quality of the quicksilver product

great job, change every yr on the Bass Tracker Classic XL, great product

J**G

OEM quality

OEM replacement. A must have when doing an oil change on lower unit. 40hp Mercury efi 2024

A**R

Good product

Good product

R**Y

Fit perfectly

Fit perfectly.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Quicksilver 8m0058391 Gear Case Drain Screw Seal Mercury Outboards Mercruiser | Desertcart GB