--- product_id: 24084581 title: "50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon" brand: "red line" price: "KD 49.44" currency: KWD in_stock: true reviews_count: 13 category: "Red Line" url: https://www.desertcart.com.kw/products/24084581-50505-mt-85-manual-transmission-75w85-gl-4-gear-oil store_origin: KW region: Kuwait --- # 75W85 viscosity for optimal gear protection Smooth shifting even in cold climates Safe for brass synchros, no corrosive sulfurs 50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon **Brand:** red line **Price:** KD 49.44 **Availability:** ✅ In Stock ## Summary > ⚙️ Shift smarter, not harder — gear oil that keeps you ahead of the pack! ## Quick Answers - **What is this?** 50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon by red line - **How much does it cost?** KD 49.44 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/24084581-50505-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 - • **Trusted Legacy:** Red Line’s proven performance since 1979 means no compromises on quality or reliability - • **Synchro-Safe Formula:** Free from reactive sulfurs, perfect for brass synchros and sensitive transmissions - • **Effortless Cold Shifts:** Balanced friction control ensures quicker, smoother gear changes in any weather - • **Versatile Compatibility:** Ideal for Nissan 350Z/370Z, Mitsubishi Evo, Hyundai, Kia, and Quaife manual gearboxes - • **Precision Gear Protection:** Extends synchro life with high-performance GL-4 formula ## Overview Red Line 50505 MT-85 is a premium 75W85 GL-4 gear oil designed for superior gear and synchro protection. It enables quicker, smoother shifts even in cold climates and is safe for brass synchros, making it ideal for a wide range of manual transmissions including Nissan, Mitsubishi, Hyundai, and Kia models. Trusted since 1979, Red Line delivers uncompromising performance and longevity. ## Description Product description ## 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 | B019XB6FQO | | Best Sellers Rank | #22,051 in Automotive ( See Top 100 in Automotive ) #155 in Gear Oils | | Brand | Red Line | | Brand Name | Red Line | | Container Type | Can | | Customer Reviews | 4.8 out of 5 stars 872 Reviews | | Global Trade Identification Number | 00083522505055 | | Included Components | MT-85 75W85 GL-4 - 1 gallon | | Item Form | Oil | | Item Type Name | MT-85 75W85 GL-4 - 1 gallon | | Item Weight | 7 Pounds | | Liquid Volume | 128 Fluid Ounces | | Manufacturer | Red Line | | Material | Synthetic | | Model Number | 50505 | | Number of Items | 1 | | Package Information | Can | | Part Interchange Info | 50505 | | Part Number | 50505 | | Recommended Uses For Product | Automotive | | Specific Uses For Product | Manual transmission lubrication, specific vehicle models and transmissions | | UPC | 083522505055 | | Unit Count | 128.0 Fluid Ounces | | Viscosity | 75W-85 | ## Product Details - **Brand:** Red Line - **Package Information:** Can - **Liquid Volume:** 128 Fluid Ounces - **Item Weight:** 7 Pounds - **Recommended Uses For Product:** Automotive ## Images ![50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/71ah1WZ0rnL.jpg) ![50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon - Image 2](https://m.media-amazon.com/images/I/81RW3yyJpAL.jpg) ![50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon - Image 3](https://m.media-amazon.com/images/I/81RV3PCsZtL.jpg) ![50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon - Image 4](https://m.media-amazon.com/images/I/81owXIUH2ML.jpg) ![50505 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Gallon - Image 5](https://m.media-amazon.com/images/I/815gxEfuaCL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Help. I have 09 Tacoma 5 speed manual will this item work or any other recommendation?** A: If owners manual calls for a GL-4 oil then yes this is will be fine. Dont use GL-5 in a transmission that calls for GL-4. Sulpher in the oil will destroy the brass synchros and brass washers and parts. Redline is great but its not a miracle oil. **Q: work on 370z ?** A: MT-85 is specifically designed for the 370z. Take a look here: http://www.the370z.com/diy-section-do-yourself/8311-diy-transmission-oil-change.html **Q: Will this be compatible with my 2014 F34 335i rear non-limited slip differential?** A: This is not the correct fluid. You need 75w90 and this is 75w85. it's close but not the same. I would recommend the BMW Specific fluid for your car that is the correct spec. **Q: Can it use with Vespa Paige 50cc?** A: I purchased this oil for an older Hyundai with a manual transmission. I believe it is a formula specifically for Korean cars, and it worked remarkably well. With that said, I don't see where Vespa calls for this viscosity. Personally, I would stick with what they recommend. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***S on March 3, 2026* ### ⭐⭐⭐⭐⭐ Review *by E***S on March 2, 2026* ### ⭐⭐⭐⭐⭐ Review *by B***H on January 29, 2017* --- ## 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.kw/products/24084581-50505-mt-85-manual-transmission-75w85-gl-4-gear-oil](https://www.desertcart.com.kw/products/24084581-50505-mt-85-manual-transmission-75w85-gl-4-gear-oil) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-13*