Best Extra Heavy Duty Engine Bay Cleaner Degreaser of 2026

Last updated on 12/07/2026

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CarPlan ECL005 Engine Cleaner and Degreaser 5L

CarPlan ECL005 Engine Cleaner and Degreaser 5L

Cleans engines and aluminium surfaces.
Rinses easily with water.
Fast removal of stubborn grime.

Main Highlights

It has been specially formulated to remove ingrained grease, oil, dirt and grime from all vehicle engines (automotive, commerical and marine) including aluminium surfaces.
Brush on - Rinse off
Water-washable formula
Suitable for general household & industrial applications
Removes oil, dirt, grease & grime... FAST!

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CarPlan ECL005 Engine Cleaner and Degreaser 5L

Cleans engines and aluminium surfaces.
Rinses easily with water.
Fast removal of stubborn grime.

Main Highlights

It has been specially formulated to remove ingrained grease, oil, dirt and grime from all vehicle engines (automotive, commerical and marine) including aluminium surfaces.
Brush on - Rinse off
Water-washable formula
Suitable for general household & industrial applications
Removes oil, dirt, grease & grime... FAST!

Value for Money

STP Engine Degreaser – 6 Pack x 500ml – Heavy Duty Bay Cleaner – Removes Oil, Grease & Dirt – Powerful Car Engine Cleaner Spray for Car Maintenance

STP Engine Degreaser – 6 Pack x 500ml – Heavy Duty Bay Cleaner – Removes Oil, Grease & Dirt – Powerful Car Engine Cleaner Spray for Car Maintenance

AXpower Inspirational Technology Empowering People

Removes heavy dirt effortlessly.
Suitable for various engine types.
Quick and easy to use.

Main Highlights

Heavy duty engine cleaner ; removes grease ; cuts through oil and dirt ; powerful degreaser ; easy to apply
Pack of 6 x 500ml bottles ; excellent value ; long-lasting supply ; convenient size for car maintenance
Ideal for car maintenance ; automotive cleaning ; engine bay detailing ; suitable for DIY and professional use
Effectively removes grime ; oil deposits ; grease buildup ; restores engine cleanliness and performance
Safe on most engine surfaces ; fast acting ; non-corrosive formula ; helps maintain engine efficiencySafe on most engine surfaces ; fast acting ; non-corrosive formula ; helps maintain engine efficiency

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AXpower Inspirational Technology Empowering People

STP Engine Degreaser – 6 Pack x 500ml – Heavy Duty Bay Cleaner – Removes Oil, Grease & Dirt – Powerful Car Engine Cleaner Spray for Car Maintenance

Removes heavy dirt effortlessly.
Suitable for various engine types.
Quick and easy to use.

Main Highlights

Heavy duty engine cleaner ; removes grease ; cuts through oil and dirt ; powerful degreaser ; easy to apply
Pack of 6 x 500ml bottles ; excellent value ; long-lasting supply ; convenient size for car maintenance
Ideal for car maintenance ; automotive cleaning ; engine bay detailing ; suitable for DIY and professional use
Effectively removes grime ; oil deposits ; grease buildup ; restores engine cleanliness and performance
Safe on most engine surfaces ; fast acting ; non-corrosive formula ; helps maintain engine efficiencySafe on most engine surfaces ; fast acting ; non-corrosive formula ; helps maintain engine efficiency

Engine Cleaner – Heavy-Duty Automotive Degreaser | Cleans and Restores Engine Bays 651ml

Engine Cleaner – Heavy-Duty Automotive Degreaser | Cleans and Restores Engine Bays 651ml

Powerful degreasing solution.
Versatile for various surfaces.
Convenient spray bottle design.

Main Highlights

POWERFUL FORMULA: Heavy-duty degreasing solution specifically designed to break down and remove stubborn grease, oil, dirt and grime from engine components
VERSATILE APPLICATION: Suitable for use on various engine surfaces including metal, plastic, and rubber parts in cars, trucks, motorcycles, RVs and boats
SIMPLE TO USE: Features a convenient spray bottle design - simply apply to engine surfaces, allow the solution to penetrate, then rinse thoroughly with water
PROFESSIONAL RESULTS: Effectively restores engine bay appearance to a clean, fresh state, making maintenance and inspections easier
COMPLETE COVERAGE: 651ml bottle provides ample product for thorough engine bay cleaning and maintenance

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Engine Cleaner – Heavy-Duty Automotive Degreaser | Cleans and Restores Engine Bays 651ml

Powerful degreasing solution.
Versatile for various surfaces.
Convenient spray bottle design.

Main Highlights

POWERFUL FORMULA: Heavy-duty degreasing solution specifically designed to break down and remove stubborn grease, oil, dirt and grime from engine components
VERSATILE APPLICATION: Suitable for use on various engine surfaces including metal, plastic, and rubber parts in cars, trucks, motorcycles, RVs and boats
SIMPLE TO USE: Features a convenient spray bottle design - simply apply to engine surfaces, allow the solution to penetrate, then rinse thoroughly with water
PROFESSIONAL RESULTS: Effectively restores engine bay appearance to a clean, fresh state, making maintenance and inspections easier
COMPLETE COVERAGE: 651ml bottle provides ample product for thorough engine bay cleaning and maintenance

Ultra Engine Degreaser Spray Cleaner Car Grease Dirt Remover 6 Litre

Ultra Engine Degreaser Spray Cleaner Car Grease Dirt Remover 6 Litre

Aspect Distribution

Main Highlights

engine degreaser

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Aspect Distribution

Ultra Engine Degreaser Spray Cleaner Car Grease Dirt Remover 6 Litre

Main Highlights

engine degreaser

Chemical Trade Store - Heavy Duty Cleaner and Degreaser - 5 Litre

Chemical Trade Store - Heavy Duty Cleaner and Degreaser - 5 Litre

Chemical Trade Store

Powerful, tough cleaning solution.
Rapid, effective results.
Versatile for various surfaces.

Main Highlights

Powerful Cleaner and Degreaser: Our Heavy-Duty Degreaser is a powerful cleaning solution meticulously formulated to tackle the toughest grease, grime, and heavy soiling.
Breaks Down Grease: Our product effortlessly breaks down and lifts away stubborn grease, grime, and heavy soiling from a variety of surfaces.
Fast and Effective: With its rapid action formula, our degreaser delivers fast and effective results, saving you time and effort in your cleaning tasks.
Suitable for Most Surfaces: Whether it's kitchen countertops, stove hoods, machinery, or automotive parts, our degreaser is suitable for removing grease from most surfaces, providing you with versatile cleaning power for all your needs.
Versatile Application: Our Heavy-Duty Degreaser is suitable for use in a wide range of settings, including kitchens, workshops, garages, and industrial facilities, making it a versatile solution for tackling grease and grime in any environment.

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Chemical Trade Store

Chemical Trade Store - Heavy Duty Cleaner and Degreaser - 5 Litre

Powerful, tough cleaning solution.
Rapid, effective results.
Versatile for various surfaces.

Main Highlights

Powerful Cleaner and Degreaser: Our Heavy-Duty Degreaser is a powerful cleaning solution meticulously formulated to tackle the toughest grease, grime, and heavy soiling.
Breaks Down Grease: Our product effortlessly breaks down and lifts away stubborn grease, grime, and heavy soiling from a variety of surfaces.
Fast and Effective: With its rapid action formula, our degreaser delivers fast and effective results, saving you time and effort in your cleaning tasks.
Suitable for Most Surfaces: Whether it's kitchen countertops, stove hoods, machinery, or automotive parts, our degreaser is suitable for removing grease from most surfaces, providing you with versatile cleaning power for all your needs.
Versatile Application: Our Heavy-Duty Degreaser is suitable for use in a wide range of settings, including kitchens, workshops, garages, and industrial facilities, making it a versatile solution for tackling grease and grime in any environment.

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Chemical Trade Store - Concentrated Engine Degreaser & Parts Washer Fluid 5L - Heavy-Duty Solvent for Grease, Oil & Grime - Powerful Cleaner for Engines, Machinery & Workshop Tools

Chemical Trade Store - Concentrated Engine Degreaser & Parts Washer Fluid 5L - Heavy-Duty Solvent for Grease, Oil & Grime - Powerful Cleaner for Engines, Machinery & Workshop Tools

Chemical Trade Store

Powerful for tough clean-ups.
Versatile for various cleaning tasks.
Fast-acting for quick results.

Main Highlights

Heavy-Duty Engine Degreaser: Specially formulated with advanced cleaning agents to break down and dissolve stubborn grease, oil, carbon, and grime on engines, machinery, parts washers, and workshop tools. Its powerful formula ensures thorough cleaning, even on the toughest build-ups, restoring parts to their original condition.
Concentrated Cleaning Power: This degreaser can be used in its concentrated form to tackle the heaviest grease and grime or diluted with water for lighter-duty cleaning tasks. Offering versatility, it adapts to a wide range of cleaning needs, whether you're dealing with heavily soiled machinery or routine maintenance on lighter surfaces.
Fast-Acting Formula: Designed for efficiency, this degreaser quickly penetrates and loosens stubborn grease and grime, saving time and effort. It speeds up the cleaning process by breaking down the toughest dirt and oil build-up.
Ideal for Automotive and Industrial Use: Whether you're working on car engines, workshop tools, or large industrial machinery, this degreaser is your go-to solution. It’s perfect for automotive professionals, mechanics, and industrial users who demand a powerful, reliable degreaser.
Wide Range of Applications: Ideal for use in automotive repair shops, manufacturing facilities, warehouses, and other industrial environments, this degreaser is also suitable for cleaning power tools, factory equipment, and other heavy-duty machinery where grease and grime accumulate.

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Chemical Trade Store

Chemical Trade Store - Concentrated Engine Degreaser & Parts Washer Fluid 5L - Heavy-Duty Solvent for Grease, Oil & Grime - Powerful Cleaner for Engines, Machinery & Workshop Tools

Powerful for tough clean-ups.
Versatile for various cleaning tasks.
Fast-acting for quick results.

Main Highlights

Heavy-Duty Engine Degreaser: Specially formulated with advanced cleaning agents to break down and dissolve stubborn grease, oil, carbon, and grime on engines, machinery, parts washers, and workshop tools. Its powerful formula ensures thorough cleaning, even on the toughest build-ups, restoring parts to their original condition.
Concentrated Cleaning Power: This degreaser can be used in its concentrated form to tackle the heaviest grease and grime or diluted with water for lighter-duty cleaning tasks. Offering versatility, it adapts to a wide range of cleaning needs, whether you're dealing with heavily soiled machinery or routine maintenance on lighter surfaces.
Fast-Acting Formula: Designed for efficiency, this degreaser quickly penetrates and loosens stubborn grease and grime, saving time and effort. It speeds up the cleaning process by breaking down the toughest dirt and oil build-up.
Ideal for Automotive and Industrial Use: Whether you're working on car engines, workshop tools, or large industrial machinery, this degreaser is your go-to solution. It’s perfect for automotive professionals, mechanics, and industrial users who demand a powerful, reliable degreaser.
Wide Range of Applications: Ideal for use in automotive repair shops, manufacturing facilities, warehouses, and other industrial environments, this degreaser is also suitable for cleaning power tools, factory equipment, and other heavy-duty machinery where grease and grime accumulate.

Power Maxed All Purpose Cleaner 500ml – Heavy Duty APC Degreaser for Interior & Exterior – Removes Oil, Grease & Grime – Dilutable Car Cleaner for Engine Bays, Wheels & Driveways

Power Maxed All Purpose Cleaner 500ml – Heavy Duty APC Degreaser for Interior & Exterior – Removes Oil, Grease & Grime – Dilutable Car Cleaner for Engine Bays, Wheels & Driveways

Versatile cleaning for multiple surfaces.
Non-caustic and silicone-free formula.
Ideal for workshop and garage use.

Main Highlights

POWERFUL ALL PURPOSE CLEANER: Heavy duty APC designed to remove grease, grime, oil and dirt from a wide range of surfaces including vehicle interiors, exteriors and hard surfaces.
INTERIOR & EXTERIOR USE: Suitable for dashboards, trims, carpets, engine bays, wheels, door shuts and exterior surfaces, making it a true all-in-one cleaning solution.
USE NEAT FOR HEAVY DUTY CLEANING: Can be used undiluted to tackle tough oil stains on concrete, driveways and heavily soiled areas.
HIGHLY DILUTABLE FORMULA: Dilute up to 40:1 for general cleaning or up to 80:1 for light interior use, making it cost-effective and versatile
IDEAL FOR DETAILING & HOUSEHOLD USE: Perfect for cars, vans, workshops, patios, garages and more, with strong degreasing power for multiple cleaning tasks.

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Power Maxed All Purpose Cleaner 500ml – Heavy Duty APC Degreaser for Interior & Exterior – Removes Oil, Grease & Grime – Dilutable Car Cleaner for Engine Bays, Wheels & Driveways

Versatile cleaning for multiple surfaces.
Non-caustic and silicone-free formula.
Ideal for workshop and garage use.

Main Highlights

POWERFUL ALL PURPOSE CLEANER: Heavy duty APC designed to remove grease, grime, oil and dirt from a wide range of surfaces including vehicle interiors, exteriors and hard surfaces.
INTERIOR & EXTERIOR USE: Suitable for dashboards, trims, carpets, engine bays, wheels, door shuts and exterior surfaces, making it a true all-in-one cleaning solution.
USE NEAT FOR HEAVY DUTY CLEANING: Can be used undiluted to tackle tough oil stains on concrete, driveways and heavily soiled areas.
HIGHLY DILUTABLE FORMULA: Dilute up to 40:1 for general cleaning or up to 80:1 for light interior use, making it cost-effective and versatile
IDEAL FOR DETAILING & HOUSEHOLD USE: Perfect for cars, vans, workshops, patios, garages and more, with strong degreasing power for multiple cleaning tasks.

Autoglym Engine and Machine Cleaner, 1L - Engine Cleaning Spray, Water-Based Formula, Dissolves Oil, Grease and Grime, Easy to Apply

Autoglym Engine and Machine Cleaner, 1L - Engine Cleaning Spray, Water-Based Formula, Dissolves Oil, Grease and Grime, Easy to Apply

Rapidly dissolves oil, grease.
Solvent free and bio-degradable.
Easy to use spray.

Main Highlights

This water-based formula rapidly dissolves oil, grease and grime leaving you with an engine that will last
Works as a combined detergent and engine degreaser
This unique car cleaning product is solvent free, water based and bio-degradable
Engine and Machine Cleaner is an extremely easy to use spray on, brush and hose off cleaner for all metal, plastic or rubber engine components and surrounding paintwork
Spray on, brush and hose off

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Autoglym Engine and Machine Cleaner, 1L - Engine Cleaning Spray, Water-Based Formula, Dissolves Oil, Grease and Grime, Easy to Apply

Rapidly dissolves oil, grease.
Solvent free and bio-degradable.
Easy to use spray.

Main Highlights

This water-based formula rapidly dissolves oil, grease and grime leaving you with an engine that will last
Works as a combined detergent and engine degreaser
This unique car cleaning product is solvent free, water based and bio-degradable
Engine and Machine Cleaner is an extremely easy to use spray on, brush and hose off cleaner for all metal, plastic or rubber engine components and surrounding paintwork
Spray on, brush and hose off

Chemical Trade World - Heavy Duty Cleaner & Degreaser 5L - Powerful Cleaning Solution for Indoor & Outdoor Hard Surfaces - Cuts Through Grease, Grime & Oil

Chemical Trade World - Heavy Duty Cleaner & Degreaser 5L - Powerful Cleaning Solution for Indoor & Outdoor Hard Surfaces - Cuts Through Grease, Grime & Oil

Chemical Trade World

Powerful heavy-duty cleaner.
Cleans grease and grime.
Suitable indoors and outdoors.

Main Highlights

Powerful Heavy Duty Cleaning Action - Designed for demanding cleaning tasks, this heavy duty cleaner and degreaser cuts through grease, grime and oil on a wide range of hard surfaces.
Suitable for Indoor & Outdoor Use - Effective on hard surfaces both inside and outside, making it ideal for workshops, garages, yards, floors, patios and work areas.
Tackles Ingrained Dirt & Build-Up - Works to lift stubborn contamination caused by oils, fats and everyday dirt, helping restore cleaner, more manageable surfaces.
Ideal for Trade, Janitorial & Maintenance Tasks - Well suited to professional environments such as industrial units, commercial premises and maintenance settings, as well as heavy-duty domestic use.
Concentrated Formula for Large Areas - Supplied in larger pack sizes, making it practical for cleaning extensive areas or for regular use where strong cleaning performance is required.

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Chemical Trade World

Chemical Trade World - Heavy Duty Cleaner & Degreaser 5L - Powerful Cleaning Solution for Indoor & Outdoor Hard Surfaces - Cuts Through Grease, Grime & Oil

Powerful heavy-duty cleaner.
Cleans grease and grime.
Suitable indoors and outdoors.

Main Highlights

Powerful Heavy Duty Cleaning Action - Designed for demanding cleaning tasks, this heavy duty cleaner and degreaser cuts through grease, grime and oil on a wide range of hard surfaces.
Suitable for Indoor & Outdoor Use - Effective on hard surfaces both inside and outside, making it ideal for workshops, garages, yards, floors, patios and work areas.
Tackles Ingrained Dirt & Build-Up - Works to lift stubborn contamination caused by oils, fats and everyday dirt, helping restore cleaner, more manageable surfaces.
Ideal for Trade, Janitorial & Maintenance Tasks - Well suited to professional environments such as industrial units, commercial premises and maintenance settings, as well as heavy-duty domestic use.
Concentrated Formula for Large Areas - Supplied in larger pack sizes, making it practical for cleaning extensive areas or for regular use where strong cleaning performance is required.

WD-40 Specialist Degreaser Spray 500ml, Fast Acting Grease Remover & Surface Cleaner, including Alloy Wheel Cleaner, Engine Degreaser, No Residue Formula, Smart Straw

WD-40 Specialist Degreaser Spray 500ml, Fast Acting Grease Remover & Surface Cleaner, including Alloy Wheel Cleaner, Engine Degreaser, No Residue Formula, Smart Straw

WD-40 Specialist

Tackles grease effortlessly.
Versatile for various surfaces.
Safe for electrical equipment.

Main Highlights

Heavy Duty Degreaser for Cars: Professional-strength solvent formula works immediately to cut through stubborn oil and grease. Ideal as an alloy wheel cleaner and engine degreaser, delivering unbeatable speed for workshop and garage tasks.
Versatile Multi-Surface Degreaser: A safe cleaning spray for metals, stainless steel, aluminium, titanium and glass without damage. Powerful grease remover and cleaner that cuts through oil, grease, dirt and grime across several surfaces.
Residue-Free Formula for Clean Results: Gets to work quickly and wipes off easily, leaving surfaces ready for lubricant. Doubles as an aluminium and stainless steel cleaner for garage appliances, workshop equipment, and outdoor equpment.
Chain Degreaser for Bikes and Machinery: Penetrates chain links, gear mechanisms and roller assemblies to dissolve accumulated grease and oil. Perfect as a bike chain degreaser for cyclists and mechanics preparing drivetrains for fresh lubrication.
Smart Straw Precision Applicator: Two spray modes in one can. Flip up the straw to reach inside chains, locks and tight mechanisms with pinpoint accuracy. Flip down for wide-angle coverage across larger surfaces.
Complete Your Maintenance Toolkit: Pair with WD40 Specialist Penetrant to loosen seized parts before cleaning. Apply White Lithium Grease to metal contacts after degreasing. For sensitive electrical components, use electrical Contact Cleaner spray.
Cleans away Oil, Grease, Dirt & Grime
Works immediately on contact
Easy to rinse and leaves no residue
Smart Straw technology for wide area use or more precise usage

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WD-40 Specialist

WD-40 Specialist Degreaser Spray 500ml, Fast Acting Grease Remover & Surface Cleaner, including Alloy Wheel Cleaner, Engine Degreaser, No Residue Formula, Smart Straw

Tackles grease effortlessly.
Versatile for various surfaces.
Safe for electrical equipment.

Main Highlights

Heavy Duty Degreaser for Cars: Professional-strength solvent formula works immediately to cut through stubborn oil and grease. Ideal as an alloy wheel cleaner and engine degreaser, delivering unbeatable speed for workshop and garage tasks.
Versatile Multi-Surface Degreaser: A safe cleaning spray for metals, stainless steel, aluminium, titanium and glass without damage. Powerful grease remover and cleaner that cuts through oil, grease, dirt and grime across several surfaces.
Residue-Free Formula for Clean Results: Gets to work quickly and wipes off easily, leaving surfaces ready for lubricant. Doubles as an aluminium and stainless steel cleaner for garage appliances, workshop equipment, and outdoor equpment.
Chain Degreaser for Bikes and Machinery: Penetrates chain links, gear mechanisms and roller assemblies to dissolve accumulated grease and oil. Perfect as a bike chain degreaser for cyclists and mechanics preparing drivetrains for fresh lubrication.
Smart Straw Precision Applicator: Two spray modes in one can. Flip up the straw to reach inside chains, locks and tight mechanisms with pinpoint accuracy. Flip down for wide-angle coverage across larger surfaces.
Complete Your Maintenance Toolkit: Pair with WD40 Specialist Penetrant to loosen seized parts before cleaning. Apply White Lithium Grease to metal contacts after degreasing. For sensitive electrical components, use electrical Contact Cleaner spray.
Cleans away Oil, Grease, Dirt & Grime
Works immediately on contact
Easy to rinse and leaves no residue
Smart Straw technology for wide area use or more precise usage

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We scanned 1755 products

We reviewed these offers relevant to the Extra Heavy Duty Engine Bay Cleaner Degreaser within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like CarPlan, AXpower Inspirational Technology Empowering People, Generic, Aspect Distribution, Chemical Trade Store, Autoglym, Chemical Trade World, WD-40 Specialist, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Extra Heavy Duty Engine Bay Cleaner Degreaser in the market, we considered we took a deep dive into 8776 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is CarPlan ECL005 Engine Cleaner and Degreaser 5L. We love many things about this product by CarPlan. What sets it apart from the competition is Cleans engines and aluminium surfaces. , Rinses easily with water. , Fast removal of stubborn grime.
The best value product for most shoppers and where user satisfaction is continuously the highest is STP Engine Degreaser – 6 Pack x 500ml – Heavy Duty Bay Cleaner – Removes Oil, Grease & Dirt – Powerful Car Engine Cleaner Spray for Car Maintenance by AXpower Inspirational Technology Empowering People based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Extra Heavy Duty Engine Bay Cleaner Degreaser and the best cost-to-value ratio is Autoglym Engine and Machine Cleaner, 1L - Engine Cleaning Spray, Water-Based Formula, Dissolves Oil, Grease and Grime, Easy to Applyat Autoglym with a 32% discount.
Our list of the best Extra Heavy Duty Engine Bay Cleaner Degreaser is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.