--- product_id: 51487072 title: "Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart" brand: "lucas oil" price: "€ 48.45" currency: EUR in_stock: true reviews_count: 10 category: "Lucas Oil" url: https://www.desertcart.hr/products/51487072-lucas-oil-10121-75-140-syn-gear-oil-946ml-red store_origin: HR region: Croatia --- # Non-foaming, quiet operation High-temp stability 75W-140 viscosity grade Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart **Brand:** lucas oil **Price:** € 48.45 **Availability:** ✅ In Stock ## Summary > ⚙️ Gear up with Lucas Oil – where performance meets precision! ## Quick Answers - **What is this?** Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart by lucas oil - **How much does it cost?** € 48.45 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/51487072-lucas-oil-10121-75-140-syn-gear-oil-946ml-red) ## Best For - lucas oil enthusiasts ## Why This Product - Trusted lucas oil brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Limited Slip Ready:** Specially formulated for limited slip differentials to maximize traction - • **Silent Gear Shifts:** Non-foaming formula reduces gear noise for a smoother ride 🔇 - • **Long-Lasting Protection:** Advanced additive package extends bearing life and reduces wear - • **Engineered for Extreme Heat:** Maintains peak lubricity even under intense temperatures 🔥 - • **Precision Viscosity Control:** 75W-140 grade ensures optimal gear protection and performance ⚙️ ## Overview Lucas Oil 10121 75/140 Syn Gear Oil is a premium synthetic lubricant designed for high-performance and heavy-duty automotive gear systems. It excels in maintaining lubricity at elevated temperatures, reduces gear noise with its non-foaming formula, and is optimized for limited slip differentials. Trusted by professionals, this 946ml quart bottle delivers long-lasting protection and meets or exceeds multiple industry standards including API GL-5 and MIL-PRF 2105-E. ## Description Product Description Lucas pure synthetic gear oils are good-slick, long lasting lubricants designed especially for heavy duty or high-performance applications where regular gear lubricants just aren't good enough. They contain a special additive package that increases lubricity and ensures less gear noise and longer bearing life. Designed to stand up to high temperatures without losing its lubricity. good for use in limited slip differentials. Exceeds all gl classifications: API mt-1, API gl-5, mil-prf 2105-e, Mack go-g, pg-2 limited slip. Legal Disclaimer U.K MAINLAND SHIPPING ONLY Review: Good - Product was up to standards Review: Good stuff - Great ## Features - Suitable for use in limited slip differentials - Designed to stand up to high temperatures without losing its lubricity - Non-foaming lubricant ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000BCKWVE | | Best Sellers Rank | 129,990 in Automotive ( See Top 100 in Automotive ) 262 in Gear Oils | | Brand | Lucas Oil | | Brand Name | Lucas Oil | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 696 Reviews | | Global Trade Identification Number | 00049807101213 | | Included Components | 1 x Lucas Oil 75/140 Syn Gear Oil - 946 ml | | Item Form | Oil | | Item Type Name | 75/140 Syn Gear Oil - 946ml | | Item Weight | 903 g | | Item weight | 903 g | | Liquid Volume | 1 Quarts | | Liquid volume | 1 Quarts | | Manufacturer | Lucas Oil Products Inc | | Material | Blend | | Model Number | LUC10121 | | Number of Items | 1 | | Package information | Bottle | | Part Number | LUCA10121 | | Product Warranty | No Warranty | | Recommended Uses For Product | Automotive | | Recommended uses for product | Automotive | | SAE J300 Viscosity Grade | 75W-140 | | Specific Uses For Product | High performance transmissions | | UPC | 049807801212 049807401214 | | Unit Count | 946.0 millilitre | | Upper Temperature Rating | 1 Kelvin | | Viscosity | 75W-140 | ## Product Details - **Brand:** Lucas Oil - **Liquid volume:** 1 Quarts - **Material:** Blend - **Package information:** Bottle - **Recommended uses for product:** Automotive ## Images ![Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart - Image 1](https://m.media-amazon.com/images/I/61gA8zEIi4L.jpg) ![Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart - Image 2](https://m.media-amazon.com/images/I/61bebV77MSL.jpg) ![Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart - Image 3](https://m.media-amazon.com/images/I/81lPawsvhFL.jpg) ![Lucas Oil 10121 75/140 Syn Gear Oil-946ml, Red, 1 Quart - Image 4](https://m.media-amazon.com/images/I/81aQkYn+n1L.jpg) ## Questions & Answers **Q: so this can be used in rear axle and also in gear box? is that right ?** A: I used it in the rear axle (which technically contains gears). You cannot use this in the transmission **Q: Can use in worm gear saw?** A: Can you be more specific to your use of the oil? Are you wanting to use to lubricant the tool? Or to use as a cutting lubricant? **Q: Is this okay to use on a regular differential(non limited slip)?** A: I believe so. **Q: Can this be used on Differential 2021 toyota corolla manual??** A: Yes ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good *by A***Y on 19 August 2020* Product was up to standards ### ⭐⭐⭐⭐⭐ Good stuff *by P***Y on 11 January 2020* Great ### ⭐⭐⭐⭐⭐ Five Stars *by J***3 on 10 July 2017* Oil? ## Frequently Bought Together - Lucas Oil 10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart - Lucas Oil 10047 SAE 75W-90 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart - Lucas Oil 10122 Synthetic SAE 75W-140 Gear Oil - 1 Gallon --- ## 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/51487072-lucas-oil-10121-75-140-syn-gear-oil-946ml-red](https://www.desertcart.hr/products/51487072-lucas-oil-10121-75-140-syn-gear-oil-946ml-red) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-15*