--- product_id: 535559924 title: "Synergy Gear MT 75W-90 GL-4 (MT-90); Full Synthetic Manual Trans Fluid; Smooth Shifting; No Sticking, Slipping, Vibration, or Shudder; Yellow Metal Safe (1 Gallon)" brand: "triax" price: "R3294" currency: ZAR in_stock: true category: "Triax" url: https://www.desertcart.co.za/products/535559924-synergy-gear-mt-75w-90-gl-4-mt-90-full store_origin: ZA region: South Africa --- # 100,000+ Mile Drain Interval 75W-90 GL-4 Full Synthetic Viscosity Yellow Metal & Synchro Safe Synergy Gear MT 75W-90 GL-4 (MT-90); Full Synthetic Manual Trans Fluid; Smooth Shifting; No Sticking, Slipping, Vibration, or Shudder; Yellow Metal Safe (1 Gallon) **Brand:** triax **Price:** R3294 **Availability:** ✅ In Stock ## Summary > ⚙️ Shift Smooth, Drive Confident: The Ultimate Manual Transmission Ally ## Quick Answers - **What is this?** Synergy Gear MT 75W-90 GL-4 (MT-90); Full Synthetic Manual Trans Fluid; Smooth Shifting; No Sticking, Slipping, Vibration, or Shudder; Yellow Metal Safe (1 Gallon) by triax - **How much does it cost?** R3294 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/535559924-synergy-gear-mt-75w-90-gl-4-mt-90-full) ## Best For - triax enthusiasts ## Why This Product - Trusted triax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Metal Guardian:** 100% safe for yellow metals, brass, copper, and aluminum alloys—preserving sensitive transmission parts. - • **Endurance Champion:** Engineered for 100,000+ mile drain intervals, cutting maintenance frequency and costs. - • **Universal Compatibility:** Trusted by top automakers like BMW, Jeep, Mercedes, and Toyota for broad manual transmission use. - • **Seamless Shifting Mastery:** Friction-optimized formula ensures silky smooth gear changes with zero sticking or slipping. - • **High-Performance Protection:** Withstands extreme horsepower, high speeds, and off-road stress without vibration or shudder. ## Overview TRIAX Synergy Gear MT 75W-90 GL-4 is a premium full synthetic manual transmission fluid designed for exceptional smooth shifting and long-lasting protection. Compatible with a wide range of vehicles, it prevents gear sticking, slipping, and shudder while safeguarding sensitive yellow metal components. Engineered for high-performance and endurance, it supports drain intervals beyond 100,000 miles, making it the go-to choice for professionals and enthusiasts seeking reliability and efficiency. ## Description Buy TRIAX Synergy Gear MT 75W-90 GL-4 (MT-90); Full Synthetic Manual Trans Fluid; Smooth Shifting; No Sticking, Slipping, Vibration, or Shudder; Yellow Metal Safe (1 Gallon): Gear Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Widely compatible with a huge range of manual transmissions from top manufactuers Jeep, Chrysler, BMW, VW/Audi, Ford, GM, Mercedes Benz 235.11, Toyota, Mazda and many others; Use wherever SAE 75W-90 GL-4 fluids are specified - Frictionally optimized for exceptionally smooth shifting, synchronizer engagement, and frictional stability; Prevents transmssion shudder, gear sticking or slipping. Optimal torque transfer and power curve stability. - 100% Synchro Safe - No reactive sulfurs; yellow metal / brass synchro safe as well as copper and aluminum alloys found in sensitive transmission components. - Excellent gear protection in high horsepower / high speed conditions and sustained mechanical / thermal loads such as racing and off-road conditions - Capable of 100,000+ miles drain intervals in most driving conditions, allowing for much longer life than most other fluids. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C5JX2LJ1 | | Best Sellers Rank | #14,372 in Automotive ( See Top 100 in Automotive ) #29 in Gear Oils | | Brand Name | Triax | | Compatible Material | Metal | | Container Type | Bottle | | Customer Reviews | 4.8 4.8 out of 5 stars (372) | | Item Form | Liquid | | Liquid Volume | 1 gallons | | Manufacturer | Triax Lubricants LLC | | Material | Synthetic | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 75W-90GL4 | | Recommended Uses For Product | Wherever GL-4 / GL-3 and synchromesh manual transmission fluids are recommended. | | SAE J300 Viscosity Grade | 75W-90 | | Specific Uses For Product | Wherever GL-4 / GL-3 and synchromesh manual transmission fluids are recommended. | | UPC | 850023978691 | | Unit Count | 128 Fluid Ounces | | Viscosity | 75W90 / MT 90 | ## Product Details - **Brand:** Triax - **Liquid Volume:** 1 gallons - **Material:** Synthetic - **Package Information:** Bottle - **Recommended Uses For Product:** Wherever GL-4 / GL-3 and synchromesh manual transmission fluids are recommended. ## Images ![Synergy Gear MT 75W-90 GL-4 (MT-90); Full Synthetic Manual Trans Fluid; Smooth Shifting; No Sticking, Slipping, Vibration, or Shudder; Yellow Metal Safe (1 Gallon) - Image 1](https://m.media-amazon.com/images/I/71mcnFWt8nL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Suitable for GM NV4500 5 Speed?** A: GL-4 gear oil. Check your manufacturers specifications. --- ## 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.co.za/products/535559924-synergy-gear-mt-75w-90-gl-4-mt-90-full](https://www.desertcart.co.za/products/535559924-synergy-gear-mt-75w-90-gl-4-mt-90-full) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-08-29*