---
product_id: 615253453
title: "Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3)"
brand: "red line"
price: "€ 211.56"
currency: EUR
in_stock: true
category: "Red Line"
url: https://www.desertcart.gr/products/615253453-red-line-50304-mt-90-75w-90-gl-4-manual
store_origin: GR
region: Greece
---

# High-temp resistance up to 300°F Safe for brass synchros, no reactive sulfurs 75W-90 viscosity for optimal gear protection Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3)

**Brand:** red line
**Price:** € 211.56
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift smoother, drive smarter — the ultimate manual transmission upgrade!

## Quick Answers

- **What is this?** Red Line (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?** € 211.56 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/615253453-red-line-50304-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

- • **Gearbox Guardian:** Protects brass synchros by avoiding damaging reactive sulfurs found in GL-5 oils.
- • **Proven Track Record:** Trusted by enthusiasts and pros since 1979 for unmatched transmission longevity.
- • **Versatile Compatibility:** Perfect for GL-1, GL-3, and GL-4 applications, including special synchromesh fluids.
- • **Endurance Under Pressure:** Maintains performance on high-speed tracks, daily commutes, and rugged off-road use.
- • **Smooth Shifts, Every Time:** Eliminates notchy shifting even in cold starts for buttery gear changes.

## Overview

Red Line MT-90 75W-90 GL-4 Manual Transmission Lubricant is a premium gear oil designed for superior synchro protection and ultra-smooth shifting. With a high-temp rating of 300°F and compatibility across GL-1, GL-3, and GL-4 specs, it’s engineered to extend transmission life and eliminate grinding, even in cold conditions. Trusted by automotive enthusiasts for over four decades, this lubricant ensures reliable performance on everything from daily drives to high-performance track days.

## Description

Buy Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3): Gear Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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 |
|---------------|-------|
| ASIN | B0CXPXWGY5 |
| Best Sellers Rank | #1,897 in Automotive ( See Top 100 in Automotive ) #5 in Gear Oils |
| Brand | Red Line |
| Brand Name | Red Line |
| Compatible Material | Brass |
| Container Type | Bottle |
| Customer Reviews | 4.9 out of 5 stars 5,111 Reviews |
| Included Components | MT-90 75W-90 GL-4 |
| Item Form | Fluids,Oil |
| Item Type Name | ACCESSORIES |
| Item Weight | 5.1 pounds |
| Liquid Volume | 96 fluid ounces |
| Manufacturer | Yukon Gear & Axle |
| Material | Brass |
| Model Number | 50304 |
| Number of Items | 3 |
| Package Information | Bottle |
| Part Number | 50304 |
| Recommended Uses For Product | Lubricant,Lube |
| SAE J300 Viscosity Grade | 75W-90 |
| Unit Count | 96 Fluid Ounces |
| Upper Temperature Rating | 300 °F |
| Viscosity | 75W90 |
| Warranty Description | LIMITED WARRANTY |

## Product Details

- **Brand:** Red Line
- **Item Weight:** 5.1 pounds
- **Liquid Volume:** 96 fluid ounces
- **Material:** Brass
- **Package Information:** Bottle

## Images

![Red Line (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/711nckj+iNL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Frequently Bought Together

- Red Line (50304) MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant - 1 Quart (Pack of 3)
- Slippery Pete 5cc Hand Pump Transfers Gear Oil, Transmission and Differential Fluids From Quart Bottles (Not for Red Line Quarts) (1)
- Rexka 12pcs Transfer & Differential Service Gasket Kit Compatible with Toyota Lexus 4Runner Land Cruiser Tundra Tacoma FJ Cruiser Highlander RAV4 Sequoia Sienna 1215710010 9043024003 90430A0003

---

## 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/615253453-red-line-50304-mt-90-75w-90-gl-4-manual](https://www.desertcart.gr/products/615253453-red-line-50304-mt-90-75w-90-gl-4-manual)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-11*