---
product_id: 13632917
title: "STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube"
brand: "star brite"
price: "€ 72.28"
currency: EUR
in_stock: true
reviews_count: 11
category: "Star Brite"
url: https://www.desertcart.gr/products/13632917-star-brite-star-tron-high-viscosity-80w90-lower-unit-gear
store_origin: GR
region: Greece
---

# Salt & Freshwater Ready 80W90 High Viscosity Anti-wear & Corrosion Protection STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube

**Brand:** star brite
**Price:** € 72.28
**Availability:** ✅ In Stock

## Summary

> 🛥️ Keep your marine engine running smooth — because your boat deserves the best!

## Quick Answers

- **What is this?** STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube by star brite
- **How much does it cost?** € 72.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/13632917-star-brite-star-tron-high-viscosity-80w90-lower-unit-gear)

## 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

- • **Easy Application System:** Designed for hassle-free refills with STAR BRITE’s specialized pump and adapters.
- • **Premium 80W90 Viscosity:** Engineered for optimal gear protection under extreme marine conditions.
- • **Rust & Corrosion Shield:** Keeps your lower unit pristine in both saltwater and freshwater environments.
- • **Unmatched Anti-Wear Formula:** Special additives extend sterndrive life by reducing friction and wear.
- • **Warranty-Safe Compatibility:** Approved for Mercury, Yamaha, Volvo & more without voiding warranties.

## Overview

STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube is a premium marine lubricant formulated to meet rigorous MIL-PSF-2105E and API standards. It offers superior anti-wear, rust, and corrosion protection for outboard motors and stern drives from top brands like Mercury, Yamaha, and Volvo. Compatible with fresh and saltwater use, it maintains optimal gear performance up to 275°F without voiding manufacturer warranties. Packaged in a convenient 32 oz bottle, it’s trusted by professionals and boating enthusiasts alike for long-lasting sterndrive protection.

## 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: Quality Sterndrive Oil! - I’ve been using this gear oil in my older OMC Cobra sterndrive for years. I strictly use the boat in salt water. It has over 800 hours on the sterndrive. I appreciate the quality, protection level, and affordability.
Review: Good product - Good product

## 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 | #5,850 in Automotive ( See Top 100 in Automotive ) #14 in Gear Oils |
| Brand | STAR BRITE |
| Brand Name | STAR BRITE |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 193 Reviews |
| Global Trade Identification Number | 00071247270327 |
| Item Form | Liquid |
| Item Highlight | Premium SAE 80W-90 gear lube protects marine lower units with wear, rust, and corrosion resistance in fresh and saltwater. |
| Item Weight | 0.91 kg |
| Liquid Volume | 32 fluid ounces |
| Manufacturer | Star brite |
| Material | Gear Lube |
| Model Number | 027032 |
| Number of Items | 1 |
| Package Information | Bottle |
| Part Number | 027032 |
| Recommended Uses For Product | Lube |
| Specific Uses For Product | Lower units of all outboard motors and stern drives |
| UPC | 071247270327 |
| Unit Count | 32 Fluid Ounces |
| Upper Temperature Rating | 275 °F |
| Viscosity | 80W90 |

## Product Details

- **Brand:** STAR BRITE
- **Item Weight:** 0.91 kg
- **Liquid Volume:** 32 fluid ounces
- **Material:** Gear Lube
- **Package Information:** Bottle

## Images

![STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube - Image 1](https://m.media-amazon.com/images/I/71p+9EKiL2L.jpg)
![STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube - Image 2](https://m.media-amazon.com/images/I/81jFDaw16RL.jpg)
![STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube - Image 3](https://m.media-amazon.com/images/I/91A7OpR6WWL.jpg)
![STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube - Image 4](https://m.media-amazon.com/images/I/91sb-tZLzwL.jpg)
![STAR BRITE Star Tron High Viscosity 80W90 Lower Unit Gear Lube - Image 5](https://m.media-amazon.com/images/I/71DCHFFZFDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality Sterndrive Oil!
*by B***N on August 31, 2026*

I’ve been using this gear oil in my older OMC Cobra sterndrive for years. I strictly use the boat in salt water. It has over 800 hours on the sterndrive. I appreciate the quality, protection level, and affordability.

### ⭐⭐⭐⭐⭐ Good product
*by T***N on May 7, 2026*

Good product

### ⭐⭐⭐⭐ Delivery quick product should be fine
*by H***N on May 3, 2025*

Seems good

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.gr/products/13632917-star-brite-star-tron-high-viscosity-80w90-lower-unit-gear](https://www.desertcart.gr/products/13632917-star-brite-star-tron-high-viscosity-80w90-lower-unit-gear)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-23*