Engine Cleaners & Degreasers
Use this route for engine bay cleaners, solvent or water-based degreasers, citrus APC products, aerosol sprays, concentrates, and workshop cleaning fluids.
View cleaners and degreasersEngine Care
STP Engine Stop Leak for petrol and diesel engines
Helps condition engine seals and reduce minor oil..
Tetrosyl engine cleaner and degreaser 1 litre tin
A water-washable engine cleaner for removing greas..
For prep work before the next stage
A 5 litre pre-wipe degreaser for removing surface grease and gri..
Trade Chemicals Heavy Bike Engine Degreaser XR Pro 5L for engine and drivetrain cleaning
Fast-acting..
Trade Chemicals XR Pro heavy bike engine degreaser in 25L
Fast-acting alkaline degreaser for removin..
How it is used
Fast-acting alkaline degreaser for removing grease, grime, traffic film and road dirt..
Heavy bike engine degreaser for stubborn road grime
A fast-acting alkaline degreaser for cutting thr..
U-POL 5 litre panel wipe and slow degreaser for bodywork prep
A 5 litre panel wipe and slow degrease..
5 litre panel wipe and degreaser for refinishing prep
A 5 litre panel wipe and degreaser for removin..
What the listing says it’s for
Fuel additive for cleaning the catalytic converter and related engine..
Engine and parts degreaser for workshop cleaning jobs
A 500 ml degreaser for removing oil, grease an..
Fast-acting engine degreaser in a 500 ml spray can
Fast-acting spray degreaser for engines, machiner..
unuo D.P.F. cleaner aerosol spray for D.P.F. and E.G.R. maintenance
Aerosol cleaner for D.P.F. and E..
WD-40 Specialist degreaser spray with Smart Straw, 500ml
Fast-acting degreaser for oil, grease and g..
WD-40 Specialist degreaser spray in a 500 ml pack of 12
Fast-acting, residue-free degreaser for grea..
WENHAO 120ml catalytic converter cleaner, two-pack
A two-pack of 120ml WENHAO cleaner units for rout..
Wisylizv quick-drying belt conditioner spray for quieter belt operation
A spray-on belt conditioner ..
What it is used for
A fast-drying contact cleaner for switches and circuits, sold as three 200ml spr..
WOL WORLD OF LUBRICANT Liqui Moly 3110 electronic spray for vehicle electrical contacts
A 200ml elec..
Workshop Pro solvent degreaser spray for workshop cleaning jobs
A water-washable solvent degreaser f..
Workshop Pro solvent degreaser spray for wax and oil removal
A water-washable solvent degreaser for ..
Wynn's ceramic engine treatment for up to 6 litres
An engine oil treatment that helps reduce frictio..
Wynn's commercial vehicle oil system flush for pre-change cleaning
An oil system flush for cleaning ..
Wynn's engine oil flush for internal engine cleaning
Engine flush for cleaning internal oil systems ..
What it is meant to do
A pre-oil-change engine flush that helps lift out sludge, varnish and other c..
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Engine care
Choose engine care products by the job: degreasing, parts cleaning, panel prep, or finish care.
Compare engine cleaners, degreasers, panel wipe, parts washer fluid, applicators, and motorbike-safe cleaning products before buying.
Buying guide
Engine care is mainly about matching chemical strength to the surface and the task.
Most products in this category are engine cleaners, degreasers, panel wipe products, parts washer fluids, and heavy-duty all-purpose cleaners. They can help remove oil, grease, road grime, workshop dirt, silicone residue, and pre-paint contamination, but they are not all meant for the same surface.
Start by deciding whether you are cleaning an engine bay, degreasing removed parts, preparing panels before paint, using a parts washer, or refreshing visible engine-bay plastics after cleaning. That choice matters more than brand, bottle size, or pack quantity.
Engine Dressings
Use dressing products after compatible cleaning when the goal is to refresh visible plastic, rubber, or trim areas in an engine bay rather than remove heavy grease.
View engine dressingsGlossy Sealants
Use sealant-style products only when the listing clearly matches the surface and finish you want. They are a finish choice, not a replacement for cleaning or degreasing.
View glossy sealantsEngine cleaners and aerosol degreasers
Sprays and aerosols suit targeted cleaning around engine bays, tools, brackets, and small parts. Check residue claims, drying speed, flammability warnings, and whether rinsing or wiping is required.
Concentrated degreasers
Concentrates can make sense for repeated workshop use, vans, trucks, motorbikes, and larger cleaning jobs. Compare dilution guidance, surface compatibility, bottle size, and whether the formula is caustic, solvent-based, or water-based.
Panel wipe and pre-paint degreasers
Panel wipe is usually for removing silicone, wax, grease, and residue before paint or bodywork preparation. It is not the same as a general engine bay cleaner, so check the intended use carefully.
Parts washer fluids
Parts washer fluids are made for cleaning removed mechanical parts or workshop components in suitable equipment. Check fluid type, dilution, machine compatibility, disposal guidance, and material safety notes.
APC and citrus degreasers
All-purpose and citrus degreasers can be useful for lighter grime, under-bonnet plastics, tools, and general vehicle cleaning, but strength varies. Do not assume an APC is safe on every surface.
Motorbike engine care
Motorbike engines are exposed and sit close to chains, tyres, brakes, paint, plastics, and hot exhaust parts. Overspray control, rinsing guidance, and residue-free cleaning matter before riding.
Check compatibility before strength, pack size, or price.
Surface compatibility
Engine bays can include painted metal, aluminium, rubber hoses, plastic covers, belts, sensors, labels, and electrical connectors. The product label should say where the cleaner can and cannot be used.
Water-based or solvent-based?
Water-based degreasers often need dwell time and rinsing. Solvent-style products may dry faster and cut grease strongly, but they can carry stricter ventilation, flammability, and material warnings.
Ready-to-use or concentrate?
Ready-to-use sprays are convenient for small jobs. Concentrates can be better for repeated use, but only if the dilution instructions, sprayer, and target surface match the job.
Electrical and intake areas
Do not spray blindly around exposed electrical parts, alternators, air intakes, sensors, or open connectors. Follow the product label and vehicle guidance before applying any liquid in an engine bay.
Hot surfaces and ventilation
Many engine care products should not be used on hot parts or near ignition sources. Let surfaces cool, work with ventilation, and wear suitable gloves and eye protection where required.
Runoff and disposal
Grease, oil, solvent, and dirty rinse water can need careful handling. Check the label for disposal guidance, especially when using strong degreasers, panel wipe, or parts washer fluids.
Match the product type to the engine care job.
| Job | Product type to compare | Check before buying |
|---|---|---|
| Clean oil, grease, and road grime from an engine bay | Engine cleaner, engine degreaser, APC degreaser, citrus degreaser, or aerosol degreaser. | Compatibility with painted metal, plastics, rubber, electrical areas, dwell time, rinse method, ventilation, and flammability warnings. |
| Clean removed parts, tools, brackets, or workshop equipment | Heavy-duty degreaser, parts cleaner, parts washer fluid, solvent degreaser, or water-based workshop cleaner. | Material compatibility, parts washer suitability, dilution, residue, drying speed, PPE, runoff, and disposal instructions. |
| Prepare panels before paint, coating, or bodywork | Panel wipe, pre-paint degreaser, anti-silicone cleaner, surface cleaner, or pre-wipe solvent. | Paint process compatibility, residue-free claims, wipe method, evaporation speed, cloth choice, and whether it is meant for panels rather than engines. |
| Clean a motorbike engine or exposed mechanical area | Motorcycle engine degreaser, citrus degreaser, chain-and-engine cleaner, or bike-safe APC. | Overspray near brakes, tyres, chain, plastics, paint, exhaust heat, rinse guidance, and whether residue must be removed before riding. |
| Refresh visible engine bay trim after cleaning | Engine dressing, trim dressing, plastic dressing, or suitable finish product when available. | Surface type, shine level, residue, dust attraction, heat guidance, and whether the product should stay away from belts, controls, and contact surfaces. |
| Add gloss or a finishing layer | Glossy sealant, finish spray, or compatible protective product when the listing supports that use. | Surface compatibility, preparation requirements, curing or drying time, heat limits, and whether it is suitable for engine-bay use. |
Motorbike care
Motorbike engine cleaning needs tighter overspray control.
Motorbike degreasers often work close to chains, brake components, tyres, paint, plastics, and hot exhaust areas. A cleaner that is useful for a car engine bay can still be a poor fit if it leaves residue near tyres or brakes, attacks a finish, or needs rinsing in a place that is hard to control.
For bikes, check the label for engine, chain-area, plastic, rubber, paint, and metal compatibility. Keep cleaning products away from tyre tread and braking surfaces unless the product specifically says otherwise.
A controlled order reduces wrong-product and overspray mistakes.
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Identify the task
Separate engine bay cleaning, removed-part degreasing, panel preparation, parts washer use, motorbike cleaning, and finish dressing before choosing a product.
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Read the label before opening the bottle
Check compatible materials, dilution, dwell time, rinse or wipe method, ventilation, PPE, flammability, and storage guidance.
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Let surfaces cool and protect sensitive areas
Avoid hot components, ignition sources, exposed electrics, air intakes, belts, sensors, and open connectors unless the product and vehicle guidance clearly allow use there.
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Start with the least aggressive option
Test carefully on a small area where appropriate, especially around paint, aluminium, rubber, plastic, decals, and finished trim.
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Remove residue and store chemicals safely
Wipe or rinse as directed, dry the area where needed, dispose of dirty runoff safely, and store bottles sealed and upright away from heat or children.
Engine care products are useful, but the label and vehicle guidance decide the safe use case.
Before buying, compare the product type, chemical strength, surface compatibility, pack size, dilution, sprayer or parts washer fit, safety warnings, and disposal guidance. If a task involves exposed electrics, specialist coatings, hot components, complex mechanical work, or any uncertainty about compatibility, use a qualified mechanic or detailer.
Retailer stock, pack size, product formula, dilution, safety warnings, surface compatibility, delivery, and returns can change. Treat the retailer page, product label, and vehicle guidance as the final source before buying or using any engine care product.