Opti-Lube Summer+ Cetane Formula Diesel Fuel Additive - 1 Gallon, Pump & 1 Empty 16oz Dosing Bottle

Opti-Lube Summer+ Cetane Formula is a high-performance warm-weather diesel fuel additive designed to improve fuel quality, combustion, and engine efficiency. It increases lubricity, boosts cetane by approximately 5–7 points, helps clean and protect injectors, and supports fuel economy and dependable diesel performance.

Key Features

• Boosts cetane by approximately 5–7 points to support better ignition quality and efficient combustion.
• Improves lubricity to help protect injectors, fuel pumps, and other critical components.
• Helps clean injectors, reduce deposits, and prevent rust and corrosion.
• Supports improved fuel economy, power, water separation, and fuel-storage stability.
• Designed for warm-weather and year-round use where severe anti-gel protection is not required.

Kit Includes

• One gallon of Opti-Lube Summer+ Cetane Formula.
• One hand pump for the gallon jug.
• One empty labeled 16-ounce Summer+ dosing bottle.

Treatment Capacity

• One gallon treats up to 2,560 gallons of diesel fuel at the standard treatment rate.
• Standard treatment rate: 1 ounce treats up to 20 gallons of diesel fuel.

Directions: Add the recommended amount to the fuel tank before or during fueling to promote thorough mixing. Follow the treatment instructions printed on the product label.