--- product_id: 6635153 title: "Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart" brand: "red line" price: "€ 90.12" currency: EUR in_stock: true category: "Red Line" url: https://www.desertcart.gr/products/6635153-red-line-50504-mt-85-manual-transmission-75w85-gl-4 store_origin: GR region: Greece --- # 75W85 GL-4 viscosity for optimal gear protection Smooth shifting even in cold climates Safe for brass synchros, no corrosive sulfurs Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart **Brand:** red line **Price:** € 90.12 **Availability:** ✅ In Stock ## Summary > ⚙️ Shift smarter, not harder — gear oil that keeps you ahead of the pack! ## Quick Answers - **What is this?** Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart by red line - **How much does it cost?** € 90.12 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/6635153-red-line-50504-mt-85-manual-transmission-75w85-gl-4) ## 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 - • **Legacy of Excellence:** Red Line’s proven performance since 1979 means no compromises on quality - • **Trusted Compatibility:** Ideal for Nissan 350Z/370Z, Mitsubishi Evo, Hyundai, Kia & Quaife manual transmissions - • **Effortless Cold Shifts:** Balanced friction control ensures quicker, smoother gear changes in any weather - • **Synchro-Safe Chemistry:** Formulated without reactive sulfurs to protect brass synchros from damage - • **Precision Gear Protection:** Extends synchro life with high-performance GL-4 formula ## Overview Red Line 50504 MT-85 75W85 GL-4 Gear Oil is a premium manual transmission fluid designed for superior gear and synchro protection. Its unique polyol ester base ensures smooth, quick shifts even in cold climates while being safe for brass synchros. Perfectly suited for high-performance vehicles like Nissan 350Z/370Z, Mitsubishi Evolution, and more, this 1-quart bottle delivers trusted, long-lasting transmission care backed by Red Line’s decades of expertise. ## Description Buy Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart: Motor 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, as well as where most special synchromesh fluids are specified - OFFERS QUICKER SHIFTS - Excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates - 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 GEA OIL FOR - Nissan 350Z and 370Z (also most Maxima, Altima & Sentra), Mitsubishi Evolution, Hyundai, Kia and Quaife synchro manual trans applications - WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004D4URV6 | | Best Sellers Rank | #15,818 in Automotive ( See Top 100 in Automotive ) #268 in Motor Oils | | Brand Name | Red Line | | Compatible Material | Brass | | Container Type | Bottle | | Customer Reviews | 4.8 4.8 out of 5 stars (907) | | Global Trade Identification Number | 00083522505048 | | Included Components | (1063027) MT-85 75W85 GL-4 GEAR OIL - QUART | | Item Form | Fluids,Oil | | Item Type Name | ENGINE OIL | | Liquid Volume | 32 fluid ounces | | Manufacturer | Red Line | | Material | Mineral Oil, Synthetic | | Model Number | RED50504 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 50504 | | Recommended Uses For Product | Vehicle | | UPC | 083522505048 | | Unit Count | 32 Fluid Ounces | | Viscosity | 5w-30 | | Warranty Description | LIMITED WARRANTY | ## Product Details - **Brand:** Red Line - **Liquid Volume:** 32 fluid ounces - **Material:** Mineral Oil, Synthetic - **Package Information:** Bottle - **Recommended Uses For Product:** Vehicle ## Images ![Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart - Image 1](https://m.media-amazon.com/images/I/71eCG2BDySL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart - Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart (4 Pack) - Slippery Pete - Fluid Pump for Standard Quart Bottles - 8cc per Pump Stroke and 3rd Hand Adapter, Transfer Gear Oil, Transmission and Differential Fluid (28mm) --- ## 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/6635153-red-line-50504-mt-85-manual-transmission-75w85-gl-4](https://www.desertcart.gr/products/6635153-red-line-50504-mt-85-manual-transmission-75w85-gl-4) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-13*