---
product_id: 13632917
title: "80W90 Mineral Gear Lube"
brand: "star brite"
price: "$58.34"
currency: USD
in_stock: true
reviews_count: 8
category: "Star Brite"
url: https://www.desertcart.us/products/13632917-80w90-mineral-gear-lube
store_origin: US
region: United States of America
---

# Compatible with all major outboard motors 80W-90 Viscosity - optimal gear protection Anti-wear & corrosion inhibitors 80W90 Mineral Gear Lube

**Brand:** star brite
**Price:** $58.34
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your marine gears running smoother, longer — don’t let your boat miss out!

## Quick Answers

- **What is this?** 80W90 Mineral Gear Lube by star brite
- **How much does it cost?** $58.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/13632917-80w90-mineral-gear-lube)

## Best For

- star brite enthusiasts

## Why This Product

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

## Key Features

- • **Warranty-Safe Formula:** Compatible with Mercury, Yamaha, Suzuki & more without voiding warranties
- • **Marine-Grade Protection:** Formulated with advanced anti-wear additives and rust inhibitors to extend gear life
- • **Universal Compatibility:** Perfect for all outboard motors and stern drives, from Johnson to Volvo
- • **Easy Maintenance Routine:** Simple fill and drain process with recommended tools for hassle-free gear lube changes
- • **Precision Viscosity for Peak Performance:** 80W-90 grade ensures smooth, reliable gear operation under pressure

## Overview

STAR BRITE 80W90 Mineral Gear Lube is a premium, high-viscosity lubricant designed specifically for the lower units of outboard motors and stern drives. Meeting rigorous MIL-PSF-2105E and API GL-5 standards, it offers superior anti-wear, rust, and corrosion protection while maintaining compatibility with leading marine engine brands. Trusted by thousands with a 4.8-star rating, it ensures optimal gear performance and longevity without risking manufacturer warranties.

## Description

Discover the ultimate solution for maintaining your outboard motors and stern drives with STAR BRITE High Viscosity Lower Unit Gear Lube. Specially formulated to meet the rigorous standards for MIL-PSF-2105E, API MT-1, API GL-5, MACK GO-J, MACK GO-H, this 80W 90 gear lube ensures optimal performance under various conditions. Enhanced with anti-wear additives, rust, and corrosion inhibitors, it provides unparalleled protection and longevity for your equipment. Ideal for all outboard motors and stern drives, this gear lube is compatible with top brands like Mercury, Mercruiser, Johnson, Evinrude, OMC, Force, Mariner, Nissan, Suzuki, Yamaha, Volvo & Tohatsu and more, ensuring it won't void manufacturers' warranties. Adhering to SAE J2360 specifications, it's the perfect choice for those seeking reliable, high-quality maintenance for their marine engines. DIRECTIONS: Refer to Manufacturer's Engine Service Manual for flushing and filling instructions. If none are available: 1) Remove upper and lower plugs on lower unit gear case and completely drain old oil. 2) Install fill tube into the lower hole. We recommend using STAR BRITE Lower Unit Quart Pump (#27410) or Lube Tube (#28600) for 10 ounce tubes. A 10 mm Adapter is available for conections that are not the standard 3/8" or 8 MM fitting. 3) Slowly refill unit with new lubricant until fluid appears at the lip of the upper hole. 4) Replace upper plug and tighten securely. 5) Remove fill tube from lower hole and replace lower plug. Tighten securely.

Review: I use this oil in the lower unit of a 150hp EVinrude - The oil quality is very good for use in marine outoard lower units.
Review: Keeps the old outboard running - Great quality synthetic oil. It's keeping the Old Outboard running. A value the the money

## Features

- Recommended for use in Mercury, Mercruiser, Johnson, Evinrude, OMC, Force, Mariner, Nissan, Suzuki, Yamaha and Volvo Will not void manufacturers warranties
- Formulated with special anti-wear additives, rust and corrosion inhibitors
- For lower units of all outboard motors and stern drives

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000RZNK5K |
| Best Sellers Rank | #14,981 in Automotive ( See Top 100 in Automotive ) #34 in Gear Oils |
| Brand | STAR BRITE |
| Brand Name | STAR BRITE |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,763 Reviews |
| Global Trade Identification Number | 00071247270327 |
| Item Form | Liquid |
| Item Weight | 2.04 Pounds |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Star brite |
| Package Information | Bottle |
| Recommended Uses For Product | Lube |
| Specific Uses For Product | Lower units of all outboard motors and stern drives |
| UPC | 071247270327 |
| Unit Count | 32.0 Fluid Ounces |
| Upper Temperature Rating | 275 Degrees Fahrenheit |
| Viscosity | 80W 90 |

## Product Details

- **Brand:** STAR BRITE
- **Item Weight:** 2.04 Pounds
- **Liquid Volume:** 32 Fluid Ounces
- **Package Information:** Bottle
- **Recommended Uses For Product:** Lube

## Images

![80W90 Mineral Gear Lube - Image 1](https://m.media-amazon.com/images/I/71p+9EKiL2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I use this oil in the lower unit of a 150hp EVinrude
*by E***. on January 31, 2026*

The oil quality is very good for use in marine outoard lower units.

### ⭐⭐⭐⭐⭐ Keeps the old outboard running
*by P***N on October 3, 2025*

Great quality synthetic oil. It's keeping the Old Outboard running. A value the the money

### ⭐⭐⭐⭐⭐ Awesome deal and delivered next day
*by T***O on August 4, 2025*

Could find no where locally and needed for my boat. great price and delivered next day. Awesome.

## Frequently Bought Together

- STAR BRITE High Viscosity Lower Unit Gear Lube 80W90 - Anti-Wear, Rust & Corrosion Inhibitors, Ideal for Outboard Motors & Stern Drives - 32 OZ (027032)
- Slippery Pete - Lower Unit Gear Oil Pump for Standard Quart Bottles, Includes 3/8 inch Metal Swivel, 8mm and 10mm Adapters Fit Most Marine Boat Outboard Motors (NOT COMPATIBLE WITH VOLVO PENTA)
- STAR BRITE Power Trim & Tilt Fluid - Formulated for Maximum Pump and Seal Life With Special Anti-Wear, Anti-Foam Additives, Superior Lubrication Additives and Corrosion Inhibitors

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*