--- product_id: 133046749 title: "Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 6-Pack" brand: "opti-lube" price: "R3192" currency: ZAR in_stock: true category: "Opti Lube" url: https://www.desertcart.co.za/products/133046749-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz store_origin: ZA region: South Africa --- # Keeps injectors & fuel system clean ULSD-specific formula Concentrated 8oz bottle treats large fuel volume Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 6-Pack **Brand:** opti-lube **Price:** R3192 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Keep your diesel running smoother, longer β€” don’t let your engine miss out! ## Quick Answers - **What is this?** Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 6-Pack by opti-lube - **How much does it cost?** R3192 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/133046749-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 - β€’ **Injector & Pump Cleanser:** Routine use prevents deposit buildup, ensuring smooth fuel delivery and peak engine efficiency. - β€’ **Versatile Diesel Defender:** Ideal for passenger vehicles, pickups, and heavy-duty diesel rigsβ€”your all-in-one fuel system ally. - β€’ **Year-Round Engine Guardian:** Compatible with modern diesel engines and emission systems for reliable performance in any season. - β€’ **Powerful Concentrated Formula:** Small 8oz dose treats large fuel tanks, making maintenance effortless and cost-effective. - β€’ **Precision ULSD Lubricity Boost:** Engineered specifically for ultra-low sulfur diesel to maximize fuel system longevity. ## Overview Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive is a concentrated 8oz formula designed for ultra-low sulfur diesel 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 consistent fuel delivery and reliable engine operation 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 | B01J2CRS1U | | Best Sellers Rank | #788,916 in Automotive ( See Top 100 in Automotive ) #258 in Diesel Additives | | Brand Name | Opti-Lube | | Container Type | Bottle | | Customer Reviews | 4.4 4.4 out of 5 stars (12) | | Included Components | Opti-Lube XL 8oz Bottles | | Item Form | Liquid | | 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 | 3 pounds | | Liquid Volume | 8 | | Manufacturer | Opti-Lube | | Model Number | OPT-XL8 | | Number of Items | 1 | | Part Number | OPT-XL8 | | Recommended Uses For Product | Automotive | | UPC | 853001004399 | | Unit Count | 48 Fluid Ounces | ## Product Details - **Brand:** Opti-Lube - **Item Weight:** 3 pounds - **Liquid Volume:** 8 - **Package Information:** Bottle - **Recommended Uses For Product:** Automotive ## Images ![Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive, 8 oz Bottles, 6-Pack - Image 1](https://m.media-amazon.com/images/I/71v2y-9nysL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: 8oz Bottles (6 Pack) - Opti-Lube XPD All Seasons Diesel Fuel Additive: 1 Gallon with Accessories (1 Hand Pump & 2 Empty 8oz Bottles) (1 Gallon XPD with Hand Pump and Regular Accessory Bottles) - Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40, 55 Gallon Drum --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/133046749-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz](https://www.desertcart.co.za/products/133046749-opti-lube-xl-xtreme-lubricant-diesel-fuel-additive-8-oz) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-10-11*