--- product_id: 527086384 title: "Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack" brand: "opti-lube" price: "€ 234.04" currency: EUR in_stock: true category: "Opti Lube" url: https://www.desertcart.hr/products/527086384-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz store_origin: HR region: Croatia --- # Year-round diesel engine compatibility ULSD-specific formula Concentrated 8 oz treatment Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack **Brand:** opti-lube **Price:** € 234.04 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your diesel running like a dream—because your engine deserves the Xtreme edge! ## Quick Answers - **What is this?** Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack by opti-lube - **How much does it cost?** € 234.04 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/527086384-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz) ## Best For - opti-lube enthusiasts ## Why This Product - Trusted opti-lube brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Season Diesel Defender:** Optimized for year-round use, ensuring your diesel engine runs flawlessly in any climate. - • **Deposit-Busting Cleanliness:** Keeps fuel injectors and system components spotless for consistent, smooth engine performance. - • **High-Efficiency Concentrate:** Small dosage treats large fuel volumes—maximizing value and minimizing hassle. - • **Versatile Diesel Maintenance:** Perfect for passenger vehicles, pickups, and heavy-duty trucks demanding reliable fuel system care. - • **Precision ULSD Lubricity Boost:** Engineered to enhance ultra-low sulfur diesel fuel for peak injector and pump protection. ## Overview Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive is a concentrated 8 oz formula designed specifically for ultra-low sulfur diesel (ULSD) engines. It enhances fuel lubricity, protects injectors and fuel pumps, and maintains fuel system cleanliness year-round. Suitable for passenger vehicles, pickups, and heavy-duty diesel applications, it supports reliable engine operation and emission system compatibility with routine use. ## Description Opti-Lube XL Xtreme Lubricant Formula Diesel Fuel Additive is formulated for use with modern diesel engines and fuel systems, including those operating on ultra-low sulfur diesel (ULSD). The formula is designed to supplement the lubricating properties of ULSD and support the normal operation of fuel system components, including fuel pumps and injectors.Routine use helps maintain the cleanliness of fuel injectors and other fuel system components by addressing deposits that can accumulate during normal engine operation. A well-maintained fuel system supports consistent fuel delivery and reliable engine operation. The formula is also designed to help maintain the condition of fuel system components exposed to moisture and normal operating conditions.Opti-Lube XL Xtreme Lubricant is suitable for year-round use and is compatible with modern diesel emission systems. Its concentrated formula treats a large volume of diesel fuel with a small dosage, making it a practical choice for routine fuel system maintenance. When used as directed, it helps support the normal operation of diesel fuel systems in passenger vehicles, pickup trucks, and heavy-duty diesel applications. ## Features - FORMULATED FOR ULSD: Designed for use with ultra-low sulfur diesel (ULSD) to supplement fuel lubricity and support the normal operation of diesel fuel system components, including injectors and fuel pumps. - SUPPORTS FUEL SYSTEM CLEANLINESS: Helps maintain the cleanliness of injectors and fuel system components as part of routine maintenance, supporting consistent fuel delivery and engine operation. - YEAR-ROUND COMPATIBILITY: Suitable for use throughout the year and compatible with modern diesel engines and emission systems when used as directed. - CONCENTRATED TREATMENT: A small amount treats a large volume of diesel fuel, making it a convenient option for regular fuel system maintenance. - ROUTINE DIESEL FUEL MAINTENANCE: Formulated for ongoing use to help maintain fuel system components and support reliable operation in passenger vehicles, pickup trucks, and heavy-duty diesel applications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BTJ9X4SD | | Best Sellers Rank | #1,318,262 in Automotive ( See Top 100 in Automotive ) #334 in Diesel Additives | | Brand | Opti-Lube | | Brand Name | Opti-Lube | | Container Type | Bottle | | Included Components | Opti-Lube XL 8oz Bottles | | Item Form | Oil | | Item Highlight | Best lubricity performance for maximum fuel-pump and injector protection | | Item Type Name | Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive | | Item Weight | 2.95 kg | | Liquid Volume | 8 | | Manufacturer | Opti-Lube | | Model Number | OPT-XL8 | | Number of Items | 1 | | Package Information | Bottle | | Part Number | OPT-XL8 | | Recommended Uses For Product | Automotive | | Specific Uses For Product | Diesel fuel system maintenance | ## Product Details - **Brand:** Opti-Lube - **Item Weight:** 2.95 Kilograms - **Liquid Volume:** 8 - **Manufacturer:** Opti-Lube - **Number of Items:** 1 ## Images ![Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack - Image 1](https://m.media-amazon.com/images/I/71MayHBTe6L.jpg) ![Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack - Image 2](https://m.media-amazon.com/images/I/71RPLaHQjjL.jpg) ![Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack - Image 3](https://m.media-amazon.com/images/I/61K75JuBoOL.jpg) ![Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 12-Pack - Image 4](https://m.media-amazon.com/images/I/61SbQv603vL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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/527086384-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz](https://www.desertcart.hr/products/527086384-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-19*