10 Best Engine Degreasers 2025 in the United States

The Simple Green Industrial Cleaner and Degreaser is a versatile, industrial-strength cleaning solution available in a 1-gallon bottle. This product is recognized for its powerful cleaning ability, capable of handling heavy dirt, grease, food residue, and stains on a wide range of washable surfaces such as counters, carpets, floors, machines, equipment, and vehicles. One of its standout features is its biodegradability, making it an environmentally friendly choice, as recognized by the U.S. EPA's Safer Choice Program. This means it is safer for both users and the environment compared to many conventional degreasers.

The cleaner is also cost-effective due to its concentrated formula, which allows users to dilute it according to their specific cleaning needs, thus extending the product’s usage and value. Additionally, its compatibility with various cleaning equipment, like floor scrubbers and pressure washers, adds to its practical appeal for both manual and professional cleaning tasks. However, the product's strong industrial scent of sassafras might be a drawback for those sensitive to strong odors.

Moreover, while its broad application is a plus, it may require careful handling and proper dilution to avoid potential damage to delicate surfaces. Its weight of 7.72 pounds and larger dimensions might also make it less convenient to handle for some users. This Simple Green cleaner is a robust and environmentally friendly option for heavy-duty cleaning tasks, ideal for users who need a versatile and effective degreaser for various surfaces but can manage its strong scent and the need for proper dilution.

The 3D Orange Degreaser is a versatile and organic citrus-based cleaner designed for multiple surfaces, including plastic, metal, vinyl, leather, and carpet. It's especially useful for both interior and exterior uses, making it a handy product for car maintenance. One of its significant strengths is its cleaning power without leaving any residue or stains, which is crucial for maintaining the appearance of your surfaces.

Its biodegradability and safety for various materials highlight its user and environmentally friendly aspects. The citrus scent is a pleasant bonus, especially for those who prefer natural fragrances over chemical odors. However, as a general-purpose cleaner, it might not replace heavy-duty commercial degreasers for more stubborn grime and grease.

This product is well-suited for individuals looking for a safe, organic, and multifunctional degreaser for regular maintenance, especially within the automotive sector.

The Chemical Guys CLD_201_16 Signature Series Orange Degreaser is a versatile and effective cleaning solution ideal for a variety of vehicles, including cars, trucks, SUVs, motorcycles, and RVs. One of its standout features is the powerful citrus-based formula that effortlessly removes motor oil, coolant, hydraulic fluid, diesel fuel, grease, and road grime. This makes it an excellent choice for tackling tough messes on engines, wheels, suspension components, and undercarriage parts.

The product comes super concentrated, allowing users to customize the strength of the solution based on their specific needs, which adds to its flexibility and efficiency in different cleaning scenarios. Additionally, it is scented with a fresh, citrusy fragrance, making the cleaning process more pleasant.

The product's size of 16 fl oz may not suffice for extensive or repeated heavy-duty cleaning tasks, potentially necessitating frequent reorders. Despite these minor drawbacks, the Chemical Guys Orange Degreaser is a robust, multipurpose cleaning agent that performs well across various applications, making it a valuable addition to your cleaning arsenal.