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MADE FOR OPTIMAL LUBRICATION: Our XL formula contains the highest lubricity concentration on the market today, which helps to keep your engine operating at its best. IMPROVES FUEL ECONOMY: This diesel fuel additive has been shown to enhance fuel mileage, giving you more bang for your buck. CLEANS INJECTORS: The XL Xtreme Lubricant formula helps to reduce deposits and emissions, making it compatible with all vehicle emissions systems. ENHANCES PERFORMANCE: Opti-Lube’s XL Xtreme Lubrication formula works to improve the performance of the truck year-round.
Item #:
33922946
Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: Each Quart Treats up to 320 Gallons (6 Quart Case (Treats 1920 Gallons))
Item #:
33922946
AUD 243
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Imported from USA store
QTY:
Order now and get it around Thursday, August 13
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MADE FOR OPTIMAL LUBRICATION: Our XL formula contains the highest lubricity concentration on the market today, which helps to keep your engine operating at its best. IMPROVES FUEL ECONOMY: This diesel fuel additive has been shown to enhance fuel mileage, giving you more bang for your buck. CLEANS INJECTORS: The XL Xtreme Lubricant formula helps to reduce deposits and emissions, making it compatible with all vehicle emissions systems. ENHANCES PERFORMANCE: Opti-Lube’s XL Xtreme Lubrication formula works to improve the performance of the truck year-round.
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What Stands Out
Large Coverage
Each quart treats up to 320 gallons of diesel fuel, providing exceptional value and long-lasting performance for diesel engines, reducing the frequency of purchases and maintenance.
Enhanced Performance
Opti-Lube XL Xtreme improves fuel efficiency and power output, ensuring your diesel engine runs smoother and more efficiently, addressing common concerns about performance and reliability.
Protective Formula
This lubricant additive helps protect against wear and tear while reducing emissions, contributing to a cleaner environment and prolonging engine life for added peace of mind for diesel vehicle owners.
Product Details
| Brand Name | Opti-Lube |
| Item Form | Liquid |
| Manufacturer | Opti-Lube |
| Number of Items | 6 |
| Part Number | OPT-XTREMEQRTs |
| Container Type | Bottle |
| Liquid Volume | 32 Fluid Ounces |
| Brand | Opti-Lube |
| Package Information | Bottle |
| Item Weight | 13.2 lbs (5.99 kg) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Fleet Operators
Ideal for fleet vehicles requiring enhanced lubrication and fuel efficiency across large volumes of diesel.
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Heavy Equipment Users
Suitable for users of heavy machinery needing additional protection against wear in diesel engines.
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Cold Climate Drivers
Beneficial for drivers in cold regions seeking to prevent fuel gelling and ensure smoother engine performance.
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Gasoline Vehicles
Not suitable for gasoline engines, which could lead to operational issues if used inappropriately.
Product Description
Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive: Each Quart Treats up to 320 Gallons (6 Quart Case (Treats 1920 Gallons))
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Customer Questions & Answers
-
Question:
What is Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive?
Answer: Opti-Lube XL Xtreme is a high-performance diesel fuel additive designed to enhance fuel efficiency, lubricate the fuel system, and reduce wear on engine components. Its unique formulation helps to minimize deposits and improve cold-weather performance. This additive is particularly beneficial for diesel engines in heavy-duty applications, ensuring that your vehicle runs smoothly and efficiently in various conditions. -
Question:
How does Opti-Lube XL improve fuel efficiency?
Answer: Opti-Lube XL improves fuel efficiency by lubricating the fuel system, which allows for better injection and atomization of the fuel. Because it reduces friction and wear in critical engine components, the engine can operate more efficiently. Many users have reported an increase in miles per gallon, especially during heavy towing or long-haul drives, where engine load is significantly increased. -
Question:
Can I use Opti-Lube XL with any diesel engine?
Answer: Yes, Opti-Lube XL is compatible with all diesel engines including trucks, buses, and recreational vehicles. Its formulation is designed to work effectively in both older engines and modern ones equipped with emissions controls. Whether you’re maintaining a fleet or just keeping your personal vehicle in top shape, this additive provides benefits across the board. -
Question:
How often should I use Opti-Lube XL?
Answer: It is recommended to use Opti-Lube XL each time you fill up your tank for optimal results. Each quart of this additive treats up to 320 gallons of diesel fuel, meaning it can last a significant amount of time depending on your fueling habits. Regular use will help to maintain fuel system cleanliness and overall engine health. -
Question:
What benefits does Opti-Lube XL provide in cold weather?
Answer: Opti-Lube XL enhances cold-weather performance by preventing fuel gelling and improving cold start capability. In extremely low temperatures, diesel fuel can thicken and cause starting issues. This additive improves flow and helps keep the fuel system free from blockages, which is essential for reliable engine performance during winter months. -
Question:
Will using Opti-Lube XL affect my vehicle's emissions?
Answer: Using Opti-Lube XL can actually help reduce emissions by ensuring complete combustion of the fuel. Its lubricating properties minimize injector wear and fouling, promoting cleaner combustion. This can lead to lower particulate matter and other harmful emissions, making it a more environmentally-friendly choice for diesel vehicle owners. -
Question:
Is Opti-Lube XL safe for fuel filters and injectors?
Answer: Absolutely, Opti-Lube XL is formulated to be safe for all fuel filters and injectors. It does not contain harmful solvents or abrasive materials, thus preventing any damage to fuel system components. Regular use can even prolong the life of these parts, offering additional peace of mind for diesel engine owners. -
Question:
What is the shelf life of Opti-Lube XL?
Answer: Opti-Lube XL has a long shelf life, typically around 2 to 3 years when stored in a cool, dry place. This longevity makes it convenient for users who may not add additives frequently. Ensuring that the cap is tightly sealed and avoiding exposure to high temperatures can further extend its effectiveness. -
Question:
Can Opti-Lube XL help with performance issues in older diesel engines?
Answer: Yes, Opti-Lube XL can significantly benefit older diesel engines by cleaning injectors and fuel lines, thereby restoring lost power and efficiency. Many older engines suffer from deposit build-up that affects performance, and this additive can help mitigate such issues, providing a noticeable improvement during operation. -
Question:
Where can I buy Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive in Australia?
Answer: You can purchase Opti-Lube XL Xtreme Lubricant Diesel Fuel Additive from Ubuy in Australia. Ubuy offers a convenient and reliable platform where you can find a variety of automotive additives, ensuring that you can easily obtain this high-performance product to improve your diesel engine's performance.
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“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
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“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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AUD 243
Order now and get it around Thursday, August 13
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Highest lubricity concentration in the market for optimal engine operation
- Enhances fuel economy for increased power during summer driving
- Cleans injectors, reduces deposits and emissions, protects against rust and corrosion
- Improves overall truck performance by increasing lubrication and preventing premature wear
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