Top Cummins Fuel & Oil Additives

The Best Fuel and Oil Additives for Cummins Diesel Engines

Known for their toughness and reliability, Cummins engines are built for heavy-duty applications. Whether in construction, agriculture, power generation or long-haul trucking, Cummins engines can deliver. Despite their robust construction, these engines still need the right additives to perform at their peak.

Hot Shot’s Secret additives are scientifically engineered to solve common issues with Cummins diesel engines, such as ring stiction, fuel system varnish, excessive soot, and wear from high-torque loads. Discover the best Cummins fuel and oil additives for your engine.

Recommended Products for Cummins Engines

At Hot Shot’s Secret, our primary goal is to provide a reliable solution for truck owners and heavy machinery. Cummins owners continue to trust us because we cater to the specific needs of different powertrains. Below are the best fuel additives for Cummins diesel engines:

Stiction Eliminator: This oil treatment effectively removes stiction, sludge and varnish from burnt oil. It works wonders for early 5.9L and industrial models.

Diesel Extreme: This concentrated cleaner is engineered to remove all traces of internal diesel injector deposits while enhancing lubricity and increasing cetane.

Everyday Diesel Treatment (EDT): This six-in-one diesel additive is engineered to improve fuel lubricity, power, fuel economy and performance.

FR3 Friction Reducer: This oil additive enhances lubricity and increases wear reduction properties of the engine oil while extending its performance.

EDT + Winter Defense: This concentrated anti-gel fuel booster is formulated for daily diesel treatment to prevent gelling and icing.

Shift Restore: This transmission additive protects automatic transmissions by reducing the coefficient of friction and operating temperatures.

Premium DEFender: This ash- and dye-free formula cleans and prevents diesel exhaust fluid crystal buildup and eliminates harmful deposits in the engine’s Selective Catalytic Reduction System.

Cummins Engine Product Compatibility Guide

Different Cummins engines have different strengths and capabilities. Depending on their usage, these engines may also exhibit varying issues. Hot Shot’s Secret lists the most common problems owners experience with their engines and recommends the most effective Cummins diesel fuel treatment options for each model.

5.9L Cummins (Pre-2007)

Also known as the 6BT, the 5.9L Cummins diesel engine delivers power and durability for light-duty trucks. It’s widely known as the engine used in Dodge and RAM trucks, school buses and industrial machinery.

• Common issues: The 5.9L Cummins engine tends to suffer from fuel system varnish, stiction in turbos and wear from heavy loads.
• Recommended products: Stiction Eliminator, Diesel Extreme, EDT, FR3, EDT+ Winter Defense 

6.7L Cummins (2007+)

The 6.7L Cummins is a turbo diesel engine known for powering RAM 2500 and 3500 pickup trucks. It offers reliability, power and fuel economy. This engine comes in a standard output and high output version and is also suitable for industrial and marine applications.

• Common issues: The 6.7L Cummins engine’s common illnesses include injector issues, DPF soot accumulation and fuel dilution of oil.
• Recommended products: Diesel Extreme, EDT, FR3, EDT+ Winter Defense, Premium DEFender

ISX and ISC Cummins (Heavy-Duty/Industrial)

The ISC Cummins is a larger and more powerful engine known for its high torque and horsepower. It’s widely used for heavy-duty and industrial applications like large trucks and industrial machinery. The ISC is a mid-range engine known for durability and reliability. It’s more suitable for medium-duty trucks and buses.

• Common issues: Common engine troubles for the ISX and ISC Cummins are soot packing, high injector wear and turbo deposits.
• Recommended products: Diesel Extreme, Stiction Eliminator, EDT, Premium DEFender, EDT+ Winter Defense 

How Our Additives Solve Common Cummins Problems

Hot Shot’s Secret’s selection of Cummins oil additives solves different problems that plague the enginemaker’s powertrains. Whether you’re driving with a 5.9L, a 6.7L, an ISX or an ISC, we have the product you need:

Fuel economy loss: Diesel Extreme cleans the fuel system and injectors

Excessive soot: Everyday Diesel Treatment + clean fuel system = cleaner burn

Hard starts and cold weather: EDT+ Winter Defense keeps fuel from gelling + boost cetane

Oil shear under load: FR3 reduces oil oxidation + wear in high-torque conditions

Shop Fuel and Oil Additives for Cummins Diesel Engines

Get more out of your Cummins engine. Shop our full range of fuel and oil additives designed for unbeatable performance and protection.