--- product_id: 257386191 title: "50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart" brand: "red line" price: "3077357₫" currency: VND in_stock: true category: "Red Line" url: https://www.desertcart.vn/products/257386191-50504-mt-85-manual-transmission-75w85-gl-4-gear-oil store_origin: VN region: Vietnam --- # 75W85 viscosity for optimal gear lubrication Cold climate friendly for smooth shifting GL-4 formula protects brass synchros 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart **Brand:** red line **Price:** 3077357₫ **Availability:** ✅ In Stock ## Summary > ⚙️ Shift smarter, not harder — unlock peak manual transmission performance! ## Quick Answers - **What is this?** 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart by red line - **How much does it cost?** 3077357₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/257386191-50504-mt-85-manual-transmission-75w85-gl-4-gear-oil) ## 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 - • **Synchro Savior:** Special GL-4 formula extends synchro life by eliminating corrosive sulfurs - • **Synthetic Strength:** Polyol Ester base ensures superior wear resistance and longevity - • **Precision Shift Mastery:** Experience quicker, smoother gear changes even in freezing temps - • **Universal Compatibility:** Trusted by Nissan 350Z/370Z, Mitsubishi Evo, Hyundai, Kia & more - • **Proven Performance Legacy:** Red Line’s 40+ years of no-compromise gear protection ## Overview Red Line 50504 MT-85 is a premium 75W85 GL-4 manual transmission gear oil designed for high-performance protection and smoother shifting. Its synthetic polyol ester base and sulfur-free GL-4 formula safeguard brass synchros and extend transmission life, making it ideal for cold climates and popular manual cars like Nissan 350Z/370Z and Mitsubishi Evolution. ## Description Red Line Oil 50504 Redline Manual Trans 85 -Qt. Manual transmission gear lube 75W85 GL-4 that offers quicker shifts, improved coefficient of friction, and better gear protection. Also offers better cold shifting and works with high and low mileage vehicles. ## 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 | #42,144 in Automotive ( See Top 100 in Automotive ) #500 in Automotive Oils | | Brand Name | Red Line | | Container Type | Bottle | | Customer Reviews | 4.8 4.8 out of 5 stars (837) | | Global Trade Identification Number | 00083522505048 | | Included Components | (1063027) MT-85 75W85 GL-4 GEAR OIL - QUART | | Item Form | Oil | | Item Type Name | ENGINE OIL | | Item Weight | 1.95 Pounds | | Liquid Volume | 32 Fluid Ounces | | Manufacturer | Red Line | | Material | Polyol Ester | | Model Number | RED50504 | | Number of Items | 1 | | Part Number | 50504 | | Recommended Uses For Product | transmission oil | | SAE J300 Viscosity Grade | 5W-30 | | Specific Uses For Product | Differential oil, final drive oil, gear oil, transfer case fluid, Nissan 350Z and 370Z, Mitsubishi Evolution, Hyundai, Kia, Quaife synchro manual trans applications | | UPC | 083522505048 | | Unit Count | 32 Fluid Ounces | | Viscosity | 75W85 | ## Product Details - **Brand:** Red Line - **Item weight:** 885 g - **Liquid volume:** 32 Fluid Ounces - **Material:** Polyol Ester - **Package information:** Bottle ## Images ![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.vn/products/257386191-50504-mt-85-manual-transmission-75w85-gl-4-gear-oil](https://www.desertcart.vn/products/257386191-50504-mt-85-manual-transmission-75w85-gl-4-gear-oil) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-20*