Hot Shot's Secret Diesel Extreme | Diesel Injector Cleaner – 1 Quart

Hot Shot's Secret Diesel Extreme – 1 Quart Diesel Injector Cleaner

Hot Shot's Secret Diesel Extreme is a concentrated 6-in-1 diesel fuel additive formulated to deep clean fuel injectors, remove stubborn fuel system deposits, and help restore diesel engine performance. Its powerful detergent formula targets internal and external diesel injector deposits, including waxy and polymeric buildup that can affect fuel delivery and combustion efficiency.

The 1 quart (32 oz) bottle treats up to 80 gallons of diesel fuel, making it an excellent choice for semi trucks, heavy-duty diesel pickups, commercial fleets, agricultural equipment, and construction machinery.

Hot Shot's Secret Diesel Extreme Features & Benefits

• Part Number: P040432Z
• Size: 1 Quart / 32 fl oz
• Treatment Capacity: Up to 80 gallons of diesel fuel
• Concentrated 6-in-1 diesel fuel system cleaner
• Helps remove internal and external diesel injector deposits
• Cleans fuel injectors, fuel lines, and fuel system components
• Boosts cetane by up to 7 points
• Helps restore throttle response and engine performance
• May improve fuel economy and combustion efficiency
• Helps reduce excessive black exhaust smoke associated with fuel deposits
• Contains lubricity-enhancing additives to protect fuel system components
• Helps prevent rust and corrosion
• Contains fuel stabilizers and moisture-control additives
• Compatible with modern diesel emissions equipment

Deep Cleaning Diesel Injector Treatment

Diesel fuel injectors can accumulate deposits that interfere with proper fuel delivery and spray patterns. Hot Shot's Secret Diesel Extreme Injector Cleaner contains concentrated detergents designed to remove internal diesel injector deposits (IDIDs), external injector deposits, varnish, and other buildup.

By helping restore injector cleanliness, Diesel Extreme supports efficient combustion, smoother engine operation, and consistent fuel system performance.

Diesel Cetane Booster & Fuel System Protection

Diesel Extreme contains a cetane improver capable of boosting diesel fuel cetane ratings by up to 7 points, depending on fuel quality and treatment conditions. Improved ignition quality can support smoother operation, better cold starting, and more efficient fuel combustion.

The formula also includes lubricity additives, corrosion inhibitors, moisture-control ingredients, and fuel stabilizers designed to help protect fuel pumps, injectors, and other fuel system components.

Diesel Fuel System Cleaner for Semi Trucks & Heavy-Duty Equipment

Hot Shot's Secret Diesel Extreme is suitable for compatible diesel engines used in Freightliner, Peterbilt, Kenworth, Volvo, Mack, International, Western Star, and other commercial trucks.

It can also be used in diesel applications powered by Detroit Diesel DD13, DD15, DD16, Series 60, Cummins ISX and X15, PACCAR MX-13, Volvo D13, Mack MP7 and MP8, along with compatible diesel pickups, farm equipment, construction machinery, and industrial diesel engines.

Hot Shot's Secret Diesel Extreme Treatment Dosage

• Recommended Dosage: 8 fl oz per 20 gallons of diesel fuel
• 1 Quart Bottle: Treats up to 80 gallons of diesel fuel
• Recommended Interval: Every 6,000 miles
• Application: Add directly to the diesel fuel tank during fueling

For regular fuel maintenance between deep-cleaning treatments, Hot Shot's Secret recommends using Everyday Diesel Treatment (EDT) at routine fuel fill-ups.

Diesel Extreme vs. Everyday Diesel Treatment

Diesel Extreme is formulated for periodic deep cleaning of diesel injectors and fuel system components. Its concentrated detergent package helps remove stubborn deposits that can affect diesel engine performance.

Everyday Diesel Treatment (EDT) is designed for regular use to maintain fuel quality, injector cleanliness, fuel lubricity, and fuel system protection between Diesel Extreme treatments.

Product Specifications

• Brand: Hot Shot's Secret
• Part Number: P040432Z
• Product: Diesel Extreme
• Product Type: Diesel Injector Cleaner / Fuel System Cleaner
• Container Size: 1 Quart / 32 fl oz
• Fuel Compatibility: Diesel / Ultra-Low Sulfur Diesel (ULSD)
• Formula: 6-in-1 Diesel Fuel Treatment
• Treatment Capacity: Up to 80 gallons
• Recommended Interval: Every 6,000 miles

Application Note

Hot Shot's Secret Diesel Extreme is formulated for diesel fuel applications. Always follow the manufacturer's dosage recommendations and your vehicle or equipment manufacturer's fuel requirements. Diesel Extreme is a preventative maintenance and cleaning treatment and is not a substitute for repairing damaged injectors, fuel pumps, or other mechanical fuel system problems.