--- product_id: 7823972 title: "50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL)- 1 Quart (12 Pack)" brand: "red line" price: "AR$1265427" currency: ARS in_stock: true reviews_count: 10 category: "Red Line" url: https://www.desertcart.com.ar/products/7823972-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle store_origin: AR region: Argentina --- # Friction formula enables quicker, smoother shifts 75W-90 viscosity for optimal gear protection GL-4 rating safe for brass synchros, no corrosive sulfurs 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL)- 1 Quart (12 Pack) **Brand:** red line **Price:** AR$1265427 **Availability:** ✅ In Stock ## Summary > ⚙️ Shift into the future with buttery smooth precision! ## Quick Answers - **What is this?** 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL)- 1 Quart (12 Pack) by red line - **How much does it cost?** AR$1265427 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/7823972-50304-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 excellence since 1979 ensures no compromises - • **Bulk Value Pack:** 12 quarts of premium lubricant to keep your fleet or project running smooth - • **Effortless Shifting:** Eliminates notchy shifts even in cold starts for seamless driving - • **Versatile Compatibility:** Meets GL-1, GL-3, and GL-4 specs for broad vehicle coverage - • **Precision Gear Protection:** Extends synchro life with high-performance synthetic formula ## Overview Red Line 50304 MT-90 is a synthetic 75W-90 GL-4 rated manual transmission and transaxle lubricant designed to protect gears and extend synchronizer life. It delivers quicker, notch-free shifting even in cold conditions and is safe for brass synchros due to its non-corrosive formula. Packaged in a convenient 12-quart set, it’s the trusted choice for classic and modern vehicles requiring high-performance gear oil. ## Description Buy Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL)- 1 Quart (12 Pack): Gear Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: The best choice for you classic VW Transaxle - This is the best gear oil for Classic Volkswagen Type 1 & 2 transaxles. It provides the requires GL-4 rating needed while adding the benefit of quieter operation and buttery smooth gear engagement in any temperature. Be aware the synthetic nature of this gear oil will allow more oil seepage than regular non-synthetic, but it is nothing to be alarmed about. Gear oil loss over the years is negligible. Review: better than I expected. - I've heard a lot of good things about this gear oil for my transmission and I'm going to try it out. So far so good. ## 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 - WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000T9OEUE | | Best Sellers Rank | #782,075 in Automotive ( See Top 100 in Automotive ) #398 in Gear Oils | | Brand | Red Line | | Brand Name | Red Line | | Compatible Material | Metal | | Container Type | Bottle | | Customer Reviews | 4.4 out of 5 stars 35 Reviews | | Global Trade Identification Number | 00083522503242 | | Item Form | Oil | | Item Weight | 10 pounds | | Liquid Volume | 384 fluid ounces | | Manufacturer | Red Line | | Material | Synthetic | | Model Number | 50304 | | Number of Items | 12 | | Number of Packs | 12 | | Package Information | Bottle | | Part Number | 50304 | | Recommended Uses For Product | Gear Oil | | SAE J300 Viscosity Grade | 75W-90 | | UPC | 083522503242 | | Unit Count | 384 Fluid Ounces | | Viscosity | 75W90 | ## Product Details - **Brand:** Red Line - **Item Weight:** 10 Pounds - **Liquid Volume:** 384 Fluid Ounces - **Material:** Synthetic - **Package Information:** Bottle ## Images ![50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL)- 1 Quart (12 Pack) - Image 1](https://m.media-amazon.com/images/I/71LJIn7PldL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ The best choice for you classic VW Transaxle *by C***N on June 20, 2016* This is the best gear oil for Classic Volkswagen Type 1 & 2 transaxles. It provides the requires GL-4 rating needed while adding the benefit of quieter operation and buttery smooth gear engagement in any temperature. Be aware the synthetic nature of this gear oil will allow more oil seepage than regular non-synthetic, but it is nothing to be alarmed about. Gear oil loss over the years is negligible. ### ⭐⭐⭐⭐⭐ better than I expected. *by G***Z on October 3, 2019* I've heard a lot of good things about this gear oil for my transmission and I'm going to try it out. So far so good. ### ⭐⭐⭐⭐⭐ Not 100% satisfied but happy *by E***E on August 3, 2014* I used it on my Mazda, and I am sure Red Line is better than Mazda factory filled oil. Below are my personal rating for comparing Red Line Oil and Factory Oil. Cold Shifting: Red Line 8 out of 10, Factory Oil 6 out of 10 When gear box reaches working temperature: Red Line 9.5 out of 10, Factory Oil 7.5 out of 10 When driving in a stop and go condition for more than two hours: Red Line Oil 8.5 out of 10, Factory Oil 7 out of 10 Overall: Red Line 9 out of 10, Factory Oil 7 out of 10. ## Frequently Bought Together - Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL)- 1 Quart (12 Pack) - Red Line 57904 75W90 GL-5 Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Quart (4 Pack) --- ## 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.com.ar/products/7823972-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle](https://www.desertcart.com.ar/products/7823972-50304-mt-90-75w-90-gl-4-manual-transmission-transaxle) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-10-09*