---
product_id: 13632916
title: "80W-90 Premium Gear Lube for Outboards and Sterndrives, 1 Quart 858058K01"
brand: "mercury"
price: "€ 80.06"
currency: EUR
in_stock: true
reviews_count: 9
category: "Mercury"
url: https://www.desertcart.pt/products/13632916-80w-90-premium-gear-lube-for-outboards-and-sterndrives-1
store_origin: PT
region: Portugal
---

# Water-Resistant Emulsifiers 80W-90 SAE Grade Viscosity Corrosion & Wear Protection 80W-90 Premium Gear Lube for Outboards and Sterndrives, 1 Quart 858058K01

**Brand:** mercury
**Price:** € 80.06
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your engine smooth sailing with Mercury’s premium gear lube!

## Quick Answers

- **What is this?** 80W-90 Premium Gear Lube for Outboards and Sterndrives, 1 Quart 858058K01 by mercury
- **How much does it cost?** € 80.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/13632916-80w-90-premium-gear-lube-for-outboards-and-sterndrives-1)

## Best For

- mercury enthusiasts

## Why This Product

- Trusted mercury brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Pros:** Backed by decades of engineering excellence and a 4.8-star rating from over 120 satisfied users.
- • **OEM-Approved Quality:** Crafted by Mercury Marine to meet stringent original equipment manufacturer standards for trusted reliability.
- • **Water-Resistant Formula:** Improved emulsifiers shield gears even if water enters the housing—no compromises on durability.
- • **Marine-Grade Performance:** Specifically engineered for outboards under 75hp to keep your gearcase running flawlessly.
- • **Ultimate Gear Protection:** Advanced formula guards against corrosion and excessive wear, extending engine life.

## Overview

Mercury 80W-90 Premium Gear Lube is a synthetic, marine-grade lubricant designed for outboards below 75hp. It offers superior protection against corrosion, wear, and water intrusion, meeting strict OEM specifications to ensure optimal gearcase performance and longevity.

## Description

Protect your investment and keep your engine performing smoothly with Mercury Premium Gear Lube 858058K01. It's recommended for use in the gearcase or lower unit of any outboard below 75hp. Specially formulated for marine applications, Premium Gear Lube helps prevent wear and corrosion even in the presence of water.

Review: It's lube what else can i say - Good oil
Review: Prefect - It is the right stuff to keep your motor happy

## Features

- Formulated to protect against corrosion and excessive wear
- Designed for outboard applications below 75hp
- Improved emulsifiers protect gears should water enter the gear housing
- 1 Quart
- Produced by Mercury Marine to our stringent original equipment manufacturer specifications
- Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001QFDH44 |
| Best Sellers Rank | #72,974 in Automotive ( See Top 100 in Automotive ) #99 in Gear Oils |
| Brand | MERCURY |
| Customer Reviews | 4.8 4.8 out of 5 stars (123) |
| Date First Available | January 22, 2009 |
| Global Trade Identification Number | 00745061030008 |
| Is Discontinued By Manufacturer | No |
| Item Form | Oil |
| Item Weight | 1.98 pounds |
| Item model number | 858058K01 |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Mercury Marine/Mercruiser |
| Manufacturer Part Number | 858058K01 |
| Material | Synthetic |
| Model | 80W-90 Gear Oil |
| Number of Items | 1 |
| OEM Part Number | 858058K01 |
| Package Information | Bottle |
| Product Dimensions | 12 x 7 x 8 inches |
| UPC | 745061030008 |
| Unit Count | 32 Fluid Ounces |
| Viscosity | 80W-90 SAE Grade |

## Product Details

- **Brand:** MERCURY
- **Liquid Volume:** 32 Fluid Ounces
- **Material:** Synthetic
- **Package Information:** Bottle
- **Viscosity:** 80W-90 SAE Grade

## Images

![80W-90 Premium Gear Lube for Outboards and Sterndrives, 1 Quart 858058K01 - Image 1](https://m.media-amazon.com/images/I/511f45NnVfL.jpg)

## Questions & Answers

**Q: Is this oil synthetic oil?**
A: Good afternoon, yes it is
Thanks 
AB Marine

## Customer Reviews

### ⭐⭐⭐⭐⭐ It's lube what else can i say
*by J***A on August 15, 2025*

Good oil

### ⭐⭐⭐⭐⭐ Prefect
*by T***R on June 4, 2025*

It is the right stuff to keep your motor happy

### ⭐⭐⭐⭐⭐ Great pricing
*by C***E on May 24, 2025*

Perfect for my boat motor. Great pricing.

## Frequently Bought Together

- OEM Mercury Marine Precision Premium SAE 80W90 Gear Lube 32oz.
- Mercury 25w-40 OEM Oil Change & Filter Kit 40-50-60hp Four Stroke Outboard 8M0081916
- Gearcase Drain Plug Seal 6 Pack for Mercury Marine/Mercruiser Drives

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**Shop now:** [https://www.desertcart.pt/products/13632916-80w-90-premium-gear-lube-for-outboards-and-sterndrives-1](https://www.desertcart.pt/products/13632916-80w-90-premium-gear-lube-for-outboards-and-sterndrives-1)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-19*