--- product_id: 174478655 title: "Hot Shot's Secret Green Diamond 15W-40 Diesel Engine Oil, 1 Gallon" brand: "hot shot's secret" price: "€ 167.52" currency: EUR in_stock: true category: "Hot Shot's Secret" url: https://www.desertcart.hr/products/174478655-hot-shots-secret-green-diamond-15w-40-diesel-engine-oil store_origin: HR region: Croatia --- # 3% fuel economy boost Patented FR3 nanotech lubrication 71% less engine wear Hot Shot's Secret Green Diamond 15W-40 Diesel Engine Oil, 1 Gallon **Brand:** hot shot's secret **Price:** € 167.52 **Availability:** ✅ In Stock ## Summary > ⚡ Drive smarter, not harder — unleash the Green Diamond edge! ## Quick Answers - **What is this?** Hot Shot's Secret Green Diamond 15W-40 Diesel Engine Oil, 1 Gallon by hot shot's secret - **How much does it cost?** € 167.52 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/174478655-hot-shots-secret-green-diamond-15w-40-diesel-engine-oil) ## Best For - hot shot's secret enthusiasts ## Why This Product - Trusted hot shot's secret brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Engine Armor:** Reduce engine wear by 71% to keep your diesel running like new. - • **Heavy-Duty Ready:** 15W-40 viscosity excels under the toughest operating conditions for diesel engines. - • **Clean Power Boost:** CK4 additive package keeps oil clean and horsepower high, ensuring peak performance. - • **Maximize Your Mileage:** Boost fuel economy by up to 3% with advanced Group III base oils. - • **Next-Level Lubrication:** Patented FR3 nanotechnology penetrates engine crevices for ultra-smooth performance. ## Overview Hot Shot's Secret Green Diamond 15W-40 Diesel Engine Oil is a premium synthetic formula designed to enhance fuel economy by up to 3%, reduce engine wear by 71%, and deliver superior lubrication through patented FR3 nanotechnology. Ideal for diesel pickups, semis, tractors, and heavy equipment, this 1-gallon oil keeps engines running cleaner, smoother, and more efficiently under demanding conditions. ## Description Hot Shot's Secret Green Diamond uses a unique blend of Group III base oils to improve your engine's fuel economy by up to 3 percent; specialized blend gives Green Diamond formula excellent viscosity and reduces friction ## Features - Hot Shot's Secret Green Diamond uses a unique blend of Group III base oils to improve your engine's fuel economy by up to 3 percent; specialized blend gives Green Diamond formula excellent viscosity and reduces friction - By improving fuel economy and reducing wear, Green Diamond Fleet Oil lowers your engine's overall fuel consumption by up to 78 percent compared to CJ-4 spec oils - Compared to CJ-4 spec oils, Green Diamond Fleet Oil reduces wear and tear on your engine's components by 71 percent; synthetic oil product keeps your engine free from scarring so it can run like new - Green Diamond Fleet Oil uses patented FR3 nanotechnology lubrication with CK4 Additive packaging to keep your oil clean and increase your horsepower; 15W-40 engine oil excels in vehicles subjected to demanding operating conditions - Patented FR3 nanotechnology gets into the fine crevices of your engine to create smooth, slick surfaces that minimize metal-on-metal contact for the longest possible service life ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B082YFQQ25 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #72,153 in Automotive ( See Top 100 in Automotive ) #509 in Motor Oils | | Brand Name | Hot Shot's Secret | | Compatible with Vehicle Type | Diesel engine heavy equipment, Diesel engine pickups, Diesel engine semis, Diesel engine tractors | | Container Type | Bottle | | Customer Reviews | 4.8 4.8 out of 5 stars (115) | | Included Components | Bottle | | Item Type Name | Green Diamond 100 Percent Synthetic 15W40 Oil Diesel 1 Gallon | | Liquid Volume | 128 fluid ounces | | Manufacturer | Hot Shot's Secret | | Manufacturer Part Number | DIAMOND OIL FLEET:GDGALFULL-SYN1540 | | Manufacturer Warranty Description | 100% Satisfaction Guarantee | | Model Number | GDGALFULL-SYN1540 | | SAE J300 Viscosity Grade | 15W-40 | | Size | 1 Gallon | | UPC | 731717961482 | | Unit Count | 128 Fluid Ounces | ## Product Details - **Brand:** Hot Shot's Secret - **Liquid Volume:** 128 fluid ounces - **Package Information:** Bottle - **SAE J300 Viscosity Grade:** 15W-40 - **Vehicle Service Type:** Diesel engine heavy equipment, Diesel engine pickups, Diesel engine semis, Diesel engine tractors ## Images ![Hot Shot's Secret Green Diamond 15W-40 Diesel Engine Oil, 1 Gallon - Image 1](https://m.media-amazon.com/images/I/71iIROX9cIL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - Hot Shot's Secret Green Diamond 100 Percent Synthetic 15W40 Oil Diesel 1 Gallon - Hot Shot's Secret Original Stiction Eliminator 32 Fluid Ounce Bottle - Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS) --- ## 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/174478655-hot-shots-secret-green-diamond-15w-40-diesel-engine-oil](https://www.desertcart.hr/products/174478655-hot-shots-secret-green-diamond-15w-40-diesel-engine-oil) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-26*