---
product_id: 8145183
title: "Lubegard 30903 Gear Fluid Supplement, 8 oz."
brand: "lubegard"
price: "€ 27.77"
currency: EUR
in_stock: true
category: "Lubegard"
url: https://www.desertcart.pt/products/8145183-lubegard-30903-gear-fluid-supplement-8-oz
store_origin: PT
region: Portugal
---

# Reduces friction on gears & bearings Improves cold weather shifting Lowers operating temperature Lubegard 30903 Gear Fluid Supplement, 8 oz.

**Brand:** lubegard
**Price:** € 27.77
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift smarter, drive cooler — the secret sauce your transmission craves!

## Quick Answers

- **What is this?** Lubegard 30903 Gear Fluid Supplement, 8 oz. by lubegard
- **How much does it cost?** € 27.77 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/8145183-lubegard-30903-gear-fluid-supplement-8-oz)

## Best For

- lubegard enthusiasts

## Why This Product

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

## Key Features

- • **Power Saver:** Reduces drivetrain power loss for improved energy efficiency.
- • **Deposit Defender:** Prevents varnish and oxidation buildup for cleaner, longer-lasting gear oil.
- • **Friction Fighter:** Minimizes wear on hypoid gears and bearings under high stress.
- • **Cooler Runs, Longer Life:** Lowers gear fluid temperature to extend transmission lifespan.
- • **Smooth Shifts, Even in the Cold:** Enhances manual and synchromesh transmission performance in chilly conditions.

## Overview

Lubegard 30903 Gear Fluid Supplement is a synthetic blend additive designed to optimize manual transmission and final drive performance by lowering operating temperatures, reducing friction, and improving cold weather shifting. Its advanced formula extends fluid life, minimizes wear on gears and bearings, and reduces drivetrain power loss, making it essential for maintaining smooth, efficient vehicle operation.

## Description

LUBEGARD GEAR FLUID SUPPLEMENT is designed for use in all manual transmissions, transaxles and final drives that require gear oil. LUBEGARD contains LXE, (liquid wax esters) and their derivatives, a blend of high grade petroleum oil, synthetic base oils and a complete anti-wear formula. LUBEGARD is designed to provide high temperature stability to prevent harmful deposits on synchros and gears. BENEFITS: Reduces drive train power loss, Lowers temperature and extends fluid life, Improves heat transfer from the fluid to the case wall and out the gear box, Improves all cold weather stiffness, Improves all manual & synchromesh transmission shifting characteristics, Reduces tooth drag and absorbs shock loads, thus improves the life of all gear units, Lowers friction on bearings and gears with high wiping stresses, especially hypoid gears, Minimizes oxidation and varnish deposits, Suppresses lubricant foaming, Safe for new MTF Fluids, Increases power transfer, reduces energy consumption and Decreases equipment operating and maintenance costs. DIRECTIONS FOR USE: Add 3 fluid oz. to each quart of gear fluid.

## Features

- Lowers temperature and extends fluid life
- Improves cold weather stiffness
- Improves all manual and synchromesh transmission shifting characteristics
- Lowers friction on bearings and gears with high wiping stresses, especially hypoid gears
- Reduces drive train power loss

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0007ZDRW6 |
| Best Sellers Rank | #154,149 in Automotive ( See Top 100 in Automotive ) #225 in Gear Oils |
| Brand Name | Lubegard |
| Container Type | Bottle |
| Customer Reviews | 4.6 4.6 out of 5 stars (63) |
| Global Trade Identification Number | 00083137309031 |
| Included Components | Lubegard 30903 Gear Fluid Supplement, 8 oz. |
| Item Form | Liquid,Oil,Wax |
| Item Type Name | Gear Fluid Additive |
| Liquid Volume | 10 fluid ounces |
| Manufacturer | Lubegard |
| Material | Synthetic |
| Model Number | 30903 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 30903 |
| Recommended Uses For Product | all manual transmissions, transaxles and final drives that require gear oil |
| Specific Uses For Product | manual transmission lubrication, transaxle lubrication, final drive lubrication |
| UPC | 483137309039 083137309031 |
| Unit Count | 8 Fluid Ounces |
| Viscosity | 140,000 centipoise |

## Product Details

- **Brand:** Lubegard
- **Liquid Volume:** 10 fluid ounces
- **Material:** Synthetic
- **Package Information:** Bottle
- **Recommended Uses For Product:** all manual transmissions, transaxles and final drives that require gear oil

## Images

![Lubegard 30903 Gear Fluid Supplement, 8 oz. - Image 1](https://m.media-amazon.com/images/I/81bZo+buwzL.jpg)

## Available Options

This product comes in different **Size** options.

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-10*