10 Best Engine Degreaser For Caked On Grease (2024 Update)

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As a car owner, one of the most challenging tasks is to clean the engine of your vehicle. Grease and oil build-up over time can cause caked-on grease that is tough to remove. This is where engine degreasers come in handy. However, with so many products available in the market, finding the right one can be a daunting task. Here are five key points to consider when looking for an engine degreaser for caked-on grease:

1. The type of engine degreaser: There are two types of engine degreasers, solvent-based and water-based. Solvent-based degreasers are potent and work fast but can be harmful to the environment. Water-based degreasers are more environmentally friendly but may take longer to work.

2. The strength of the degreaser: The strength of the degreaser depends on the amount of grease build-up on the engine. If you have caked-on grease, you need a strong degreaser that can dissolve the grease quickly.

3. The application method: Engine degreasers come in different application methods, including spray cans, pump sprayers, and foamers. Choose a method that is easy for you to use and apply.

4. The safety of the degreaser: Always read the label of the degreaser to ensure it is safe for your engine and will not cause any damage or harm to you.

5. The price: Compare prices of different engine degreasers and choose one that fits your budget.

In summary, when looking for an engine degreaser for caked-on grease, consider the type of degreaser, strength, application method, safety, and price. With these key points in mind, you can find the right degreaser for your car's engine and keep it clean and running smoothly.

10 Best Engine Degreaser For Caked On Grease

1. Chemical Guys Signature Series Orange Degreaser – 128 Oz – Multipurpose And Safe For Vehicles

Chemical Guys CLD_201 Signature Series Orange Degreaser is a professional-strength citrus degreaser that has been specially designed to safely and effectively remove the toughest dirt, grime, and grease. This versatile degreaser is suitable for use on a wide range of vehicles, including cars, trucks, SUVs, motorcycles, RVs, and more. The product comes in a 128 fl oz (1 Gallon) container, making it perfect for both professional and personal use.

The Signature Series Orange Degreaser is blended with powerful citrus extracts and hyper surfactants that easily cut through and separate grease and oil from any surface. The product is shipped at full strength, without added water to dilute the solution, which allows users to tailor their own cleaning solution to tackle even the toughest messes.

This super concentrated formula is perfect for removing years of grime from engines, including motor oil, coolant, hydraulic fluid, or diesel fuel. It can also be used to remove caked-on mud, grease, and road grime from wheels, suspension components, and undercarriage parts. The uses for this versatile product are endless!

Chemical Guys is a go-to brand in car care, and professionals and beginners alike choose their products for their superior quality and world-class customer support. Chemical Guys is more than just a brand; it's a lifestyle with a worldwide following. With years of experience in the car care industry, Chemical Guys has established a reputation for producing some of the finest car care products on the market.

In summary, Chemical Guys CLD_201 Signature Series Orange Degreaser is a super concentrated, versatile, and professional-strength citrus degreaser that effectively removes the toughest dirt, grime, and grease from a wide range of vehicles. It is the perfect choice for those looking for a high-quality product that delivers excellent results and is backed by a company with a global reputation for excellence in the car care industry.

2. Mahle Set Of 8 (+.020" / +.50mm) Pistons W/rings Compatible With: Ford 6.7l Diesel Engine 2011-2022

The MAHLE Set of 8 (+.020" / +.50mm) Pistons w/rings is a top-quality replacement part for the Ford 6.7L Diesel engine manufactured between 2011 and 2022. These pistons come in a +.5MM / +.020" size, making them compatible with the Ford 6.7L Diesel Powerstroke engine.

The set includes eight MAHLE pistons, rings, and pins/clips, making it a complete package for anyone looking to replace their engine's pistons. The pins and clips included in the set are designed to fit perfectly with the pistons, ensuring a secure and stable connection.

The MAHLE Set of 8 Pistons w/rings is made of high-quality materials, ensuring durability and reliability. MAHLE is a well-known brand in the automotive industry, and their products have been tested and proven to be of top quality.

The pistons are designed to meet OEM standards and specifications, ensuring that they are a perfect fit for the Ford 6.7L Diesel engine. This means that users can expect the same level of performance and reliability as the original pistons that came with the engine.

The MAHLE Set of 8 Pistons w/rings is an ideal replacement part for anyone looking to improve the performance and reliability of their Ford 6.7L Diesel engine. The set is easy to install and comes with all the necessary components, making it a hassle-free solution for engine repair and maintenance.

In summary, the MAHLE Set of 8 Pistons w/rings is a high-quality, reliable, and durable replacement part for the Ford 6.7L Diesel engine. It is designed to meet OEM standards and specifications, ensuring that it is a perfect fit for the engine. The set is easy to install and comes with all the necessary components, making it a hassle-free solution for engine repair and maintenance.

3. Malco Red Thunder – Automotive Cleaner And Degreaser – Heavy Duty And Multi-Purpose – 1 Gallon (102301) – Biodegradable, Breaks Down Grease & Grime On Engines, Wheels And Tires.

Malco Red Thunder is a versatile and powerful automotive cleaner and degreaser that effectively breaks down dirt, grime, and grease on engines, tires, and wheels in just minutes. This heavy-duty, multi-purpose cleaner is perfect for those who want a deep cleaning for their vehicles without the hassle of spending hours scrubbing and cleaning.

One of the standout features of Malco Red Thunder is its effectiveness in breaking down heavy soils on engines, wheels, and tires. Its powerful formula quickly dissolves dirt and grime, making it easy to remove even the toughest stains.

In addition to its effectiveness on engines and wheels, Malco Red Thunder is also safe to use on most vehicle surfaces, including carpet and upholstery. Its versatile formula can be diluted to suit different cleaning needs and is gentle enough to use on vinyl and plastic surfaces.

Malco Red Thunder's concentrated formula rinses clean, leaving no residue behind. It loosens and removes oils, grease, and built-up dirt from hard-to-reach areas easily and quickly, making it an ideal solution for those who want a spotless and clean vehicle.

One of the most noteworthy advantages of Malco Red Thunder is its biodegradability and phosphate-free formula. It is environmentally friendly and can be used virtually anywhere, making it an excellent choice for those who want to be environmentally conscious and still maintain a clean and spotless vehicle.

Malco has been providing powerful cleaning and detailing products and accessories to keep cars spotless and clean, inside and out since 1953. Their commitment to quality and effectiveness is evident in their products, and Malco Red Thunder is no exception.

Overall, Malco Red Thunder is a reliable and versatile automotive cleaner that effectively breaks down grease and grime on engines, wheels, and tires. Its biodegradable and phosphate-free formula, coupled with its effectiveness, makes it an excellent choice for anyone who wants a deep cleaning for their vehicle while being environmentally conscious.

4. 1-Gallon Non-Flammable Water-Based Por-15 Cleaner Degreaser – Removes Grease, Oil, And Debris.

POR-15 Cleaner Degreaser is a powerful and efficient cleaning solution that is specially designed to remove grease, oil, soap films, wax, and other surface debris from a variety of surfaces. The product is water-based and non-flammable, making it an excellent alternative to traditional solvent-based cleaners.

The water-based formula of POR-15 Cleaner Degreaser ensures that it cleans without leaving any films, which makes it a more effective and efficient cleaning solution than petroleum-based cleaners. Additionally, the product can be diluted with water up to 4 to 10 times its volume while remaining more potent than other cleaners.

POR-15 Cleaner Degreaser can be used for a wide range of applications, including cleaning canvas, vinyl, nylon, holding tanks, grease traps, auto parts, and more. The product should be diluted with hot water, with a ratio of four parts water to one part Cleaner Degreaser (4:1) working well for most jobs. However, it can be diluted up to ten parts water to one part Cleaner Degreaser (10:1) for more heavy-duty tasks.

After using the Cleaner Degreaser, the area should be thoroughly rinsed with water. For metal surfaces, the product should be followed up with POR-15 Metal Prep before painting to ensure optimal results.

POR-15 Cleaner Degreaser is essential for removing dirt, grit, and oxidation that can cause corrosion on engines, machinery, tools, tires, rims, and undercarriages. Moreover, it leaves behind zero films, promoting superior adhesion, making it an ideal solution for cleaning any bare or rusted metal for paint.

At POR-15, the company is committed to innovation, quality control, and excellent customer service. The brand is known for its unbeatable 3-step stop rust system and is trusted by DIY enthusiasts and professionals alike. The satisfaction of the customers is the foremost priority, and the company strives to provide the ultimate rust prevention solution.

5. Organic Citrus Degreaser & Cleaner – Multi-Surface Use – Removes Grease & Grime – 1 Gallon

3D Orange Degreaser is a high-quality organic citrus cleaner that is designed to effectively clean a wide range of interior and exterior surfaces. This all-purpose cleaner is safe to use on plastic, cloth, vinyl, metal, leather, carpet, and more, providing you with a versatile cleaning solution that can tackle even the toughest dirt, grease, and grime.

Unlike traditional cleaners, 3D Orange Degreaser is specially formulated to remove oil build-up on high-touch surfaces without leaving any residue or stains. This makes it an ideal choice for anyone looking to keep their home or car clean and well-maintained.

This degreaser is perfect for use in areas that require a little more attention than a simple cleaner can provide. Whether you're cleaning your kitchen, bathroom, garage, or car, 3D Orange Degreaser is up to the task.

With over 25 years of experience in the industry, 3D Orange Degreaser is proudly made in the USA. The company has a long-standing reputation for producing high-quality exterior and interior car care products that are trusted by customers worldwide.

In summary, 3D Orange Degreaser is a multi-purpose organic citrus cleaner that is effective at removing dirt, grease, and grime on a wide range of surfaces. Its versatility makes it a popular choice for both home and car cleaning, and its ability to remove oil build-up without leaving any residue or stains sets it apart from other cleaners on the market.

6. Zep 50 Heavy-Duty Engine Cleaner And Degreaser – 16oz (12 Pack) – Professional Strength

Zep 50 Heavy-Duty Engine Cleaner and Degreaser is a professional-grade cleaning solution that is perfect for automotive parts stores, industrial machinery suppliers, vehicle rental agencies, automotive repair shops, motorcycle dealers, car dealers, and equipment leasing companies. This product comes in a convenient pack of 12 16-ounce bottles, ensuring that you always have a supply of cleaning solution on hand.

The Zep 50 Heavy-Duty Engine Cleaner and Degreaser is a heavy-duty foaming degreaser that contains a blend of solvents and emulsifiers designed to cut through heavy grease. Its stable foam clings to vertical surfaces, extending contact time with soils and grease, making it effective for cleaning small engine machinery, car and truck engines, and other heavily soiled parts.

One of the best features of this product is its pleasant light citrus fragrance, which eliminates solvent odors often associated with degreasers. Additionally, it contains no methylene chloride, perchloroethylene or trichloroethylene (TCE), making it a safer alternative for workers and the environment.

Not only is the Zep 50 Heavy-Duty Engine Cleaner and Degreaser effective for engine cleaning and degreasing tasks, but it can also remove grease and oil spots from concrete floors and brake dust and grease from wheel covers and wire wheels. This versatility makes it a valuable addition to any cleaning arsenal.

Overall, the Zep 50 Heavy-Duty Engine Cleaner and Degreaser is a professional-strength cleaner and degreaser that is perfect for a wide range of industrial and automotive cleaning tasks. Its heavy-duty formula, stable foam, and pleasant fragrance make it a top choice for professionals who demand exceptional cleaning performance.

7. Stanley Home Products Degreaser Concentrate: Multipurpose Cleaner That Removes Stubborn Grease And Grime For Both Home And Commercial Use, Yielding 64 Gallons.

The STANLEY HOME PRODUCTS Degreaser Concentrate is the perfect solution for those tough grease and grime stains around the home or workplace. With its powerful formula, this degreaser concentrate is twice as concentrated as the original, making it incredibly effective at removing even the most stubborn messes, including those in both hard and soft water.

This versatile cleaner is designed for use on a wide range of surfaces, including cookware, grills, dishes, woodwork, countertops, broilers, laundry, equipment and tools. It is an all-purpose cleaner that can be used to remove dirt, grease, and grime from virtually any surface.

The Stanley Home Products Degreaser Concentrate is a cost-effective solution for all of your cleaning needs. Each 32 oz. bottle of concentrate contains enough cleaning product for 64 gallons of powerful, Stanley Degreaser solution, making it a great value for both home and professional use.

This degreaser concentrate is available in a 1- or 2-count package for added convenience. It is an ideal choice for those looking for a high-quality, effective cleaning solution that is both easy to use and affordable.

So if you're tired of struggling to remove stubborn grease and grime, it's time to try the STANLEY HOME PRODUCTS Degreaser Concentrate. With its powerful formula and versatile use, this concentrated cleaner is sure to become a go-to solution for all of your cleaning needs.

8. Gunk Eb1-12pk 'original Engine Brite' Engine Degreaser – 15 Oz, (Case Of 12)

GUNK EB1-12PK 'Original Engine Brite' Engine Degreaser is a highly effective cleaning solution developed by GUNK, a family-owned company based in Charlotte, NC. With over 75 years of experience in the industry, GUNK has earned the trust of hard-working tradesmen and DIY enthusiasts alike through its consistent, superior performance and commitment to innovation.

This heavy-duty cleaning formula is designed to quickly and easily remove even the toughest grease, dirt, and grime from engines and other equipment. Packed with powerful degreasing solvents, the GUNK EB1-12PK 'Original Engine Brite' Engine Degreaser requires no special tools or equipment, making it an inexpensive and convenient option for anyone looking to clean their equipment.

The GUNK EB1-12PK 'Original Engine Brite' Engine Degreaser is formulated to work quickly and effectively, saving users time and effort in the cleaning process. Whether you're a professional mechanic or a DIY enthusiast, this engine degreaser is a reliable solution for cleaning engines, transmissions, and other heavy-duty equipment.

In addition to its powerful cleaning capabilities, the GUNK EB1-12PK 'Original Engine Brite' Engine Degreaser is also safe to use on most surfaces, including painted and plastic surfaces. This makes it a versatile choice for anyone looking to clean their equipment without causing damage or discoloration.

Overall, the GUNK EB1-12PK 'Original Engine Brite' Engine Degreaser is a highly effective and reliable solution for anyone looking to clean their engines and other heavy-duty equipment. With its powerful cleaning formula, convenient application process, and versatile compatibility with different surfaces, it's easy to see why GUNK has earned a reputation as a trusted name in the industry.

9. Professional-Grade 3d Heavy Duty Degreaser – Safe & Effective All-Purpose Cleaner For Cars, Engines, Floors, And Home Use – Rapidly Removes Grease & Grime Buildup – 1 Gallon.

3D Grand Blast Heavy Duty Degreaser is a safe and effective commercial grade cleaning solution that quickly removes the toughest dirt, grease, and grime from a variety of surfaces. Proudly made in the USA, 3D Grand Blast has been formulated to provide an easy and efficient way to clean cars, engines, floors, and home appliances without the need for elbow grease.

This powerful degreaser is biodegradable and safe for both commercial and home use. It is designed to provide fast-acting results with its easy rinse formula that washes away all dirt, grease, and grime build up. With 3D Grand Blast, you can say goodbye to the days of spending hours scrubbing and cleaning to achieve a clean and shiny surface.

The biodegradable formula of 3D Grand Blast makes it an environmentally friendly option for those who want to clean without causing harm to the planet. It is safe to use on a variety of surfaces, including engines, machinery, tools, and floors. The formula not only cleans the surface but also gives it an extra clean, like-new shine.

3D Grand Blast is a product of over 25 years of research and development in exterior and interior car care products. The company is committed to providing customers with uncompromising quality, and this is evident in the effectiveness of their products. 3D Grand Blast is a tried and trusted heavy-duty degreaser that delivers on its promises.

In summary, 3D Grand Blast Heavy Duty Degreaser is a reliable and efficient cleaning solution that provides fast-acting results. It is biodegradable, safe for commercial and home use, and can be used on a variety of surfaces, making it a versatile cleaning option. With 3D Grand Blast, you can achieve a clean, like-new surface without the need for elbow grease.

Best Engine Degreaser For Caked On Grease FAQs

Are there any environmental concerns with using engine degreaser for caked on grease?

Yes, there are environmental concerns with using engine degreaser for caked on grease. Many engine degreasers contain harsh chemicals such as petroleum distillates, which can be harmful to both human health and the environment. These chemicals can contaminate soil and water sources, killing aquatic life and posing a risk to all living organisms.

Moreover, the use of engine degreasers can contribute to air pollution, as the chemicals can evaporate into the air and react with other pollutants to form smog. In addition, improper disposal of engine degreaser can lead to further environmental damage and even legal consequences.

To mitigate these environmental concerns, it is important to use eco-friendly degreasers that are biodegradable and free from harmful chemicals. Proper disposal methods must also be followed to prevent contamination of soil and water sources.

Can engine degreaser be used on all types of engines?

Engine degreasers are designed to clean engine parts and remove grease and grime buildup. However, not all engines are the same, and the type of engine degreaser that should be used depends on the engine type. For example, if you have a diesel engine, you should use a degreaser that is specifically designed for diesel engines. Similarly, if you have a gasoline engine, you should use a degreaser that is designed for gasoline engines.

Furthermore, it is important to follow the manufacturer's recommendations when using engine degreasers. Some degreasers may be harmful to certain engine parts, such as plastic or rubber components. It is also important to use the degreaser as directed and to avoid using too much, as excess degreaser can lead to engine damage. In summary, engine degreasers can be used on all types of engines, but it is crucial to use the correct type and follow the manufacturer's instructions.

How effective is engine degreaser on caked on grease?

Engine degreasers are designed to break down stubborn grease and grime build-up on engine components. They are typically formulated with powerful solvents and surfactants that can penetrate deep into the grease and loosen it. However, the effectiveness of an engine degreaser on caked-on grease depends on several factors such as the type of grease, the age of the buildup, and the type of surface being cleaned.

In general, engine degreasers are highly effective on fresh or recently accumulated grease deposits. They can quickly dissolve the grease and make it easy to wipe away. However, for older or hardened grease deposits that have been sitting on the surface for a long time, an engine degreaser may not be as effective. In such cases, a more aggressive approach such as scrubbing with a wire brush or using a pressure washer may be required.

It's also important to note that engine degreasers can be harsh on some surfaces, particularly if they are left on for too long. Therefore, it's best to follow the manufacturer's instructions and use the product as directed. Additionally, it's advisable to wear protective gear such as gloves and eye protection while using an engine degreaser.

Overall, engine degreasers are an efficient way to remove caked-on grease from engine components. However, their effectiveness may vary depending on the level of buildup and the surface being cleaned.

How long should engine degreaser be left on before rinsing?

The duration of leaving engine degreaser on before rinsing depends on the type of degreaser used and the level of grime on the engine. Generally, it is recommended to leave the engine degreaser on for 10-15 minutes before rinsing. However, if the engine is heavily soiled or greasy, it may be necessary to leave the degreaser on for longer, up to 30 minutes, to allow it to penetrate and break down the grime effectively. It is essential to follow the manufacturer's instructions on the degreaser's label to avoid damaging the engine's surface. After applying the degreaser, it is advisable to use a high-pressure hose or pressure washer to rinse the engine thoroughly to ensure all the degreaser and loosened dirt is washed away. Leaving the degreaser on for too long can cause damage or discoloration to the engine's surface, so it is crucial to follow the recommended guidelines.

What is the best engine degreaser for removing tough grease buildup?

When it comes to removing tough grease buildup from engines, it's important to choose a high-quality engine degreaser. There are many options available on the market, but some of the best degreasers are those that are formulated specifically for engines. One of the most popular engine degreasers is the Simple Green Pro HD Heavy Duty Cleaner. This degreaser is designed to quickly and effectively remove grease and grime from engines and other heavy-duty equipment. Another great option is the Gunk Foamy Engine Brite Cleaner. This degreaser is known for its foaming action, which helps to penetrate deep into crevices and remove even the toughest buildup. Other highly rated engine degreasers include the Purple Power Heavy-Duty Degreaser, the CRC Brakleen Brake Parts Cleaner, and the Zep Heavy-Duty Citrus Degreaser. Ultimately, the best engine degreaser for you will depend on your specific needs, so it's a good idea to read reviews and compare products before making a purchase.

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