---
product_id: 7601046
title: "Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon (4 Pack)"
brand: "red line"
price: "AR$1439212"
currency: ARS
in_stock: true
category: "Red Line"
url: https://www.desertcart.com.ar/products/7601046-red-line-50305-mt-90-75w-90-gl-4-manual
store_origin: AR
region: Argentina
---

# Friction formula for quicker, smoother shifts 75W-90 viscosity for optimal gear protection GL-4 safe for brass synchros, no corrosive sulfurs Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon (4 Pack)

**Brand:** red line
**Price:** AR$1439212
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the future with flawless precision and unmatched protection!

## Quick Answers

- **What is this?** Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon (4 Pack) by red line
- **How much does it cost?** AR$1439212 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/7601046-red-line-50305-mt-90-75w-90-gl-4-manual)

## Best For

- red line enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Value Pack:** Four 1-gallon containers to keep your ride running flawlessly longer
- • **Versatile Compatibility:** Ideal for GL-1, GL-3, and GL-4 applications, covering most manual transmissions
- • **Precision Gear Protection:** Extends synchro life with high-performance synthetic formula
- • **Safe on Sensitive Components:** Free from reactive sulfurs, protecting brass synchros from damage
- • **Seamless Shifting Experience:** Eliminates notchy shifts even in cold starts for smooth drives

## Overview

Red Line 50305 MT-90 is a premium synthetic 75W-90 GL-4 manual transmission lubricant designed to enhance gear protection and extend synchronizer life. Its unique friction formula ensures quicker, smoother shifts even in cold conditions, while being safe for brass synchros by excluding harmful reactive sulfurs. Perfect for GL-1, GL-3, and GL-4 gear applications, this 4-pack of 1-gallon containers offers professional-grade reliability for manual transmissions.

## Description

Buy Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon (4 Pack): Gear Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- HIGH PERFORMANCE - gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications
- QUICKER SHIFTS - perfect synchronizer coefficient of friction and eliminates notchy shifting, even when cold
- REQUIREMENTS - gear oil viscosity of 75W; 80W; SAE 40 10W40 and 15W40 motor oil
- POPULAR GEAR OIL FOR - GL-1, GL-3 and GL-4 applications, as well as where most special synchromesh fluids are specified. Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000T9TMX8 |
| Best Sellers Rank | #1,971,000 in Automotive ( See Top 100 in Automotive ) #673 in Gear Oils |
| Brand Name | Red Line |
| Compatible Material | Brass |
| Container Type | Pail |
| Customer Reviews | 4.7 4.7 out of 5 stars (10) |
| Global Trade Identification Number | 00083522503259 |
| Included Components | MT-90 75W-90 GL-4 |
| Item Form | Fluids,Liquid,Oil |
| Item Weight | 10 pounds |
| Liquid Volume | 512 fluid ounces |
| Manufacturer | Red Line |
| Material | Synthetic |
| Model Number | 50325 |
| Number of Items | 4 |
| Number of Packs | 4 |
| Part Number | 50325 |
| Recommended Uses For Product | Lubricant |
| SAE J300 Viscosity Grade | 75W-90 |
| UPC | 083522503259 |
| Unit Count | 512 Fluid Ounces |
| Upper Temperature Rating | 300 °F |
| Viscosity | 75W90 |

## Product Details

- **Brand:** Red Line
- **Item Weight:** 10 pounds
- **Liquid Volume:** 512 fluid ounces
- **Material:** Synthetic
- **Package Information:** Pail

## Images

![Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon (4 Pack) - Image 1](https://m.media-amazon.com/images/I/715jWOKbhPL.jpg)

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**Shop now:** [https://www.desertcart.com.ar/products/7601046-red-line-50305-mt-90-75w-90-gl-4-manual](https://www.desertcart.com.ar/products/7601046-red-line-50305-mt-90-75w-90-gl-4-manual)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-05*