--- product_id: 215600857 title: "SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart" brand: "ultra 1plus" price: "€ 59.66" currency: EUR in_stock: true category: "Ultra 1 Plus" url: https://www.desertcart.hr/products/215600857-sae-75w-90-synthetic-gear-oil-gl-4-manual-transmission store_origin: HR region: Croatia --- # API GL-4 Certified All-Season Viscosity Stability Extended Gear & Bearing Protection SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart **Brand:** ultra 1plus **Price:** € 59.66 **Availability:** ✅ In Stock ## Summary > ⚙️ Shift into the future with unstoppable gear protection! ## Quick Answers - **What is this?** SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart by ultra 1plus - **How much does it cost?** € 59.66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/215600857-sae-75w-90-synthetic-gear-oil-gl-4-manual-transmission) ## Best For - ultra 1plus enthusiasts ## Why This Product - Trusted ultra 1plus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Year-Round Reliability:** Maintains optimal viscosity from freezing winters to scorching summers, ensuring smooth manual transmission shifts. - • **Thermal & Oxidation Fortress:** Resists heat breakdown, rust, and foaming to keep your drivetrain cleaner and running longer. - • **Limited Slip Differential Ready:** Friction modifier technology guarantees superior performance and protection for limited-slip differentials. - • **Maximized Gear & Bearing Lifespan:** Advanced synthetic formula forms a resilient lubrication film that drastically reduces wear and maintenance costs. - • **Precision Engineered for Peak Performance:** Exceeds API GL-4 & SAE J306 standards for unmatched gear protection under extreme pressure. ## Overview SAE 75W-90 Synthetic Gear Oil GL-4 is a premium, API GL-4 certified lubricant designed for manual transmissions, transaxles, and limited-slip differentials. Its advanced synthetic base oils and friction modifiers provide year-round viscosity stability, superior thermal and oxidation resistance, and extended gear and bearing life, making it the go-to choice for professionals demanding reliable, high-performance drivetrain protection. ## Description Buy SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart: Gear Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - API GL-4 CERTIFIED 75W-90 SYNTHETIC GEAR OIL: Exceeds API GL-4 and SAE J306 standards with premium synthetic base oils, advanced anti-scuff additives, and friction modifiers for extreme-pressure gear protection. - ALL-SEASON VISCOSITY STABILITY: Meets SAE J306 year-round requirements with reliable low-temperature flow and high-temperature lubrication for manual transmissions, transaxles, and drivetrain gear systems. - EXTENDED GEAR & BEARING LONGEVITY: Forms a strong, stable lubrication film under high-load and high-torque conditions—reducing wear on gears, synchronizers, and bearings while minimizing deposits and maintenance costs. - SUPERIOR THERMAL & OXIDATION STABILITY: Resists heat breakdown, oxidation, rust, foaming, and varnish formation—maintaining full lubricant film strength and drivetrain cleanliness across extreme temperature ranges. - LIMITED SLIP COMPATIBLE : 75w-90 gl-4 Friction modifier technology ensures limited-slip differential performance. Cost-effective gear protection for passenger cars and light trucks. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B088ZYPJQX | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #11,682 in Automotive ( See Top 100 in Automotive ) #27 in Gear Oils | | Brand Name | ULTRA 1PLUS | | Compatible with Vehicle Type | Motorcycle | | Container Type | Bottle | | Customer Reviews | 4.8 4.8 out of 5 stars (602) | | Flash Point | 205 Degrees Celsius | | Item Weight | 1.92 Pounds | | Liquid Volume | 1.0 | | Manufacturer | Ultrachem LLC | | Manufacturer Part Number | UFS7590GL4L | | Model Number | UFS7590GL4L | | SAE J300 Viscosity Grade | 75W-90 | | Size | 1 Quart | | UPC | 810050654326 | | Unit Count | 32 Fluid Ounces | | Viscosity Level | High | ## Product Details - **Brand:** ULTRA 1PLUS - **Liquid Volume:** 1.0 - **Package Information:** Bottle - **SAE J300 Viscosity Grade:** 75W-90 - **Vehicle Service Type:** Motorcycle ## Images ![SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart - Image 1](https://m.media-amazon.com/images/I/81-KeiQYUIL.jpg) ![SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart - Image 2](https://m.media-amazon.com/images/I/81h4-EYs8nL.jpg) ![SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart - Image 3](https://m.media-amazon.com/images/I/81-I9kpFbVL.jpg) ![SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart - Image 4](https://m.media-amazon.com/images/I/813HnVd9q4L.jpg) ![SAE 75W-90 Synthetic Gear Oil GL-4 | Manual Transmission, Transaxle & Limited Slip | 1 Quart - Image 5](https://m.media-amazon.com/images/I/8158J6z2WwL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - ULTRA 1PLUS SAE 75W-90 Synthetic Gear Oil, API GL-4 - Ultra 1PLUS SAE 50 Full Synthetic Manual Transmission Fluids (CD-50) (5 Gallon Pail) - Performance Tool W54232 Lever-Action Bucket Pump for 5 Gallon Pails, Black --- ## 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.hr/products/215600857-sae-75w-90-synthetic-gear-oil-gl-4-manual-transmission](https://www.desertcart.hr/products/215600857-sae-75w-90-synthetic-gear-oil-gl-4-manual-transmission) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-18*