Diesel Deep Clean Fuel Additive Case 12x16oz.

Lucas Oil Diesel Deep Clean Fuel Additive in a case of 12 x 16oz bottles is formulated to restore fuel system cleanliness and optimize diesel engine performance. This fuel additive targets combustion chamber deposits, fuel injectors, and intake valves—areas where carbon buildup degrades efficiency and increases emissions. Each 16-ounce bottle treats a substantial fuel tank volume, making the 12-bottle case ideal for fleet operators, service facilities, and serious diesel enthusiasts who rely on consistent fuel system maintenance.

The formula includes detergents that dissolve accumulated carbon without damaging seals or fuel system components. Lucas Oil engineered this diesel fuel cleaner to work with all diesel fuel types and does not require tank draining before use—simply add the product to your fuel tank at each fill-up. The 16-ounce per-bottle concentration is proportioned for typical diesel fuel tank sizes, delivering effective cleaning action across a full driving cycle. Fleet managers and diesel mechanics specify this additive because it addresses DPF (diesel particulate filter) efficiency by reducing the carbon load that clogs filter elements prematurely.

This case format serves contractors, heavy-equipment operators, commercial trucking operations, and maintenance departments that treat vehicles regularly rather than as a one-time fix. Regular use prevents deposit buildup before it impacts cold starts, fuel economy, or power delivery. The 12-bottle quantity provides long-term treatment supply, reducing per-unit cost versus purchasing individual bottles and ensuring you maintain a consistent maintenance schedule without re-ordering frequently.

Diesel fuel additives remain one of the most cost-effective preventive maintenance investments available to diesel vehicle owners. Unlike in-tank or external flush procedures that require labor and downtime, pour-in additives integrate seamlessly into normal refueling. Lucas Oil's market position in diesel engine care is anchored in formulations designed to address real-world operational challenges—hard starts, rough idle, reduced fuel economy—rather than theoretical performance claims.