---
product_id: 615253453
title: "(50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3)"
brand: "red line"
price: "€ 134.88"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/615253453-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle
store_origin: PT
region: Portugal
---

# Faster, smoother shifts even in cold temps 75W-90 viscosity for optimal gear protection GL-4 safe, protects brass synchros without damage (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3)

**Brand:** red line
**Price:** € 134.88
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift into the fast lane with flawless precision!

## Quick Answers

- **What is this?** (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3) by red line
- **How much does it cost?** € 134.88 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/615253453-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle)

## 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

- • **Trusted Legacy:** Red Line’s proven formula since 1979 ensures uncompromised quality
- • **Triple Pack Value:** Three quarts of premium lubricant to keep your transmission running flawlessly
- • **Cold-Weather Ready:** Maintains perfect friction coefficient even at low temperatures
- • **Precision Gear Protection:** Extends synchro life with high-performance GL-4 formula
- • **Seamless Shifting Experience:** Eliminates notchy shifts for smooth gear changes every time

## Overview

Red Line MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant is a high-performance gear oil designed to protect and extend the life of your transmission’s synchros. Its unique formula ensures smoother, quicker shifts even in cold conditions, while being safe for brass synchros by avoiding harmful reactive sulfurs. Trusted since 1979, this lubricant meets GL-1, GL-3, and GL-4 specifications and comes in a convenient 3-quart pack for lasting maintenance.

## Description

Full description not available

## Features

- The information below is per-pack only
- 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
- WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Red Line |
| Package Information | Flasche |
| Liquid Volume | 96 Fluid Ounces |
| Item Weight | 5.1 Pounds |
| Recommended Uses For Product | Lubricant,Lube |
| Viscosity | 75W90 |
| Upper Temperature Rating | 300 Degrees Fahrenheit |
| Item Form | Fluids,Oil |
| Manufacturer | Yukon Gear & Axle |
| Unit Count | 96.0 Fluid Ounces |
| SAE J300 Viscosity Grade | 75W-90 |
| Number of Items | 3 |
| Item Weight | 5.1 pounds |
| Product Dimensions | 9 x 4 x 4 inches |
| Item model number | 50304 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 50304 |

## Product Details

- **Brand:** Red Line
- **Package Information:** Flasche
- **Liquid Volume:** 96 Fluid Ounces
- **Item Weight:** 5.1 Pounds
- **Recommended Uses For Product:** Lubricant,Lube

## Images

![(50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3) - Image 1](https://m.media-amazon.com/images/I/51cy6cBj6hL.jpg)

## Available Options

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

## Frequently Bought Together

- Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3)
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**Shop now:** [https://www.desertcart.pt/products/615253453-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle](https://www.desertcart.pt/products/615253453-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-03*