---
product_id: 11865932
title: "Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack)"
brand: "red line"
price: "€ 636.95"
currency: EUR
in_stock: true
reviews_count: 13
category: "Red Line"
url: https://www.desertcart.pt/products/11865932-red-line-50204-sae-75w80-api-gl-4-manual-transmission
store_origin: PT
region: Portugal
---

# High-temp stability up to 400°F Balanced friction for quicker, smoother shifts 75W80 viscosity for optimal gear protection Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack)

**Brand:** red line
**Price:** € 636.95
**Availability:** ✅ In Stock

## Summary

> ⚙️ Shift smarter, drive smoother — don’t get left in the slow lane!

## Quick Answers

- **What is this?** Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack) by red line
- **How much does it cost?** € 636.95 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/11865932-red-line-50204-sae-75w80-api-gl-4-manual-transmission)

## 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

- • **DIY Friendly Maintenance:** Easy oil change upgrade that transforms your manual transmission feel
- • **Cost-Effective Excellence:** Premium synthetic quality at half the price of OEM fluids
- • **Precision Gear Protection:** Extends synchro life with GL-4 safe formula, no brass damage
- • **Effortless Shifting Experience:** Balanced friction control delivers silky smooth gear changes
- • **Trusted by Performance Enthusiasts:** Preferred by BMW, Mini Cooper, Land Rover & more

## Overview

Red Line 50204 SAE 75W80 API GL-4 Manual Transmission Lubricant is a synthetic gear oil engineered for high performance and longevity. It protects brass synchros, ensures quicker shifts with balanced friction, and withstands temperatures up to 400°F. Trusted by premium brands like BMW and Mini Cooper, this 12-quart pack offers a cost-effective upgrade for manual transmission maintenance, enhancing driving precision and gearbox durability.

## Description

Buy Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack): Transmission Fluids - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Works well on BMW e60 - I have an '07 BMW 550i with a stick shift that I picked up this past summer. No idea when or if the transmission oil was last changed. The gearbox mostly shifted fine, but there were times it was reluctant to go into gear, and crunched a weee bit on occasion, so I figured a transmission oil change was a good first step. BMW, of course, only recommends their own $50+ per liter solution, but this redline MTL was recommended on a couple of sites / forums @ half the price. Oil change was stupidly easy, with the worse part being the removal and reinstall of the underbody tray. Note that the car does need to be level in order to refill the gearbox properly, so that may be easier for some than others. I am fortunate enough to have a lift, so it was <30min job. It took a full 2qts, so if you have an e60 V8 BMW manual, you may want to grab a 3rd qt just in case you have some spillage. There are plenty of online videos with instructions you can search for help. The old oil in the gearbox was definitely well used, but not so terrible that I would believe it to have been the original oil. BMW has this stupid concept of "lifetime fill" with transmission fluid for the past ~20 years. This obviously discourages proper maintenance, so it really wouldn't have been surprising to find original fluid in a 16 year old car with 110k miles. I did the differential fluid as well with the redline oil recommended for that application. I did not notice much of a change the first couple trips after the oil change, but after 50-100 miles, I could definitely tell the difference. Every shift has a more "syrupy" feel to it, and the shifts slot into place with a more positive action overall. This gearbox still doesn't like to be rushed. This MTL fluid won't turn your BMW into a Honda, but it definitely works well and costs a lot less than the "genuine" oil. Definitely a worthwhile job to perform yourself, if you are able, and a great product to improve the driving experience.
Review: Quick service at a good price - It arrived on time at a fair price and the product totally changed how my 2002 Miata shifts I am extremely happy with it

## Features

- HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified.
- OFFERS QUICKER SHIFTS - MLT Gear Oil with balanced friction control for most manual transmission synchronizers. Other synthetic gear oils are often too slippery.
- SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications.
- POPULAR MOTOR OIL FOR - BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 & NV5600 truck transmissions.
- WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000T9RLFE |
| Best Sellers Rank | #13,881 in Automotive ( See Top 100 in Automotive ) #105 in Transmission Fluids |
| Brand | Red Line |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,769 Reviews |
| Global Trade Identification Number | 00083522502245 |
| Item Form | Oil |
| Item Weight | 10 pounds |
| Liquid Volume | 384 fluid ounces |
| Manufacturer | Red Line |
| Material | Synthetic |
| Model Number | 50204 CASE/12 |
| Number of Items | 12 |
| Number of Packs | 12 |
| Package Information | Bottle |
| Part Number | 50224 |
| Recommended Uses For Product | Anti-friction |
| SAE J300 Viscosity Grade | 30 |
| Specific Uses For Product | Manual transmission and transaxle lubrication, prevention of corrosion, increased efficiency in specific motor vehicles |
| UPC | 083522502245 |
| Unit Count | 384 Fluid Ounces |
| Upper Temperature Rating | 400 °F |
| Viscosity | 75W80 |

## Product Details

- **Brand:** Red Line
- **Item Weight:** 10 Pounds
- **Liquid Volume:** 384 Fluid Ounces
- **Material:** Synthetic
- **Package Information:** Bottle

## Images

![Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack) - Image 1](https://m.media-amazon.com/images/I/71fVon1mirL.jpg)
![Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack) - Image 2](https://m.media-amazon.com/images/I/81WUfVAGJGL.jpg)
![Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack) - Image 3](https://m.media-amazon.com/images/I/814i3d0yoDL.jpg)
![Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack) - Image 4](https://m.media-amazon.com/images/I/81owXIUH2ML.jpg)
![Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (12 Pack) - Image 5](https://m.media-amazon.com/images/I/81UK2s4HueL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well on BMW e60
*by E***Y on November 6, 2023*

I have an '07 BMW 550i with a stick shift that I picked up this past summer. No idea when or if the transmission oil was last changed. The gearbox mostly shifted fine, but there were times it was reluctant to go into gear, and crunched a weee bit on occasion, so I figured a transmission oil change was a good first step. BMW, of course, only recommends their own $50+ per liter solution, but this redline MTL was recommended on a couple of sites / forums @ half the price. Oil change was stupidly easy, with the worse part being the removal and reinstall of the underbody tray. Note that the car does need to be level in order to refill the gearbox properly, so that may be easier for some than others. I am fortunate enough to have a lift, so it was <30min job. It took a full 2qts, so if you have an e60 V8 BMW manual, you may want to grab a 3rd qt just in case you have some spillage. There are plenty of online videos with instructions you can search for help. The old oil in the gearbox was definitely well used, but not so terrible that I would believe it to have been the original oil. BMW has this stupid concept of "lifetime fill" with transmission fluid for the past ~20 years. This obviously discourages proper maintenance, so it really wouldn't have been surprising to find original fluid in a 16 year old car with 110k miles. I did the differential fluid as well with the redline oil recommended for that application. I did not notice much of a change the first couple trips after the oil change, but after 50-100 miles, I could definitely tell the difference. Every shift has a more "syrupy" feel to it, and the shifts slot into place with a more positive action overall. This gearbox still doesn't like to be rushed. This MTL fluid won't turn your BMW into a Honda, but it definitely works well and costs a lot less than the "genuine" oil. Definitely a worthwhile job to perform yourself, if you are able, and a great product to improve the driving experience.

### ⭐⭐⭐⭐⭐ Quick service at a good price
*by J***S on August 16, 2026*

It arrived on time at a fair price and the product totally changed how my 2002 Miata shifts I am extremely happy with it

### ⭐⭐⭐⭐⭐ Made a huge difference in my Jeep TJ.
*by G***. on June 1, 2026*

I recently had issues with my NV3550 making noise and shifting rather difficult at times. Flushed my transmission and installed this fluid and wow what a difference. Shifts like it's new and no more grinding when shifting. Highly recommend for Jeep TJs with manual transmissions.

---

## 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.pt/products/11865932-red-line-50204-sae-75w80-api-gl-4-manual-transmission](https://www.desertcart.pt/products/11865932-red-line-50204-sae-75w80-api-gl-4-manual-transmission)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-14*