Trigger sprays and aerosols
Useful for targeted engine-bay areas, brackets, covers and smaller parts where controlled application matters more than bulk coverage.
Engine Degreasers
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3-IN-ONE heavy duty citrus degreaser spray for engines, chains and tools
A citrus foam degreaser for..
Heavy duty citrus degreaser for engines, tools and workshop jobs
A citrus foam degreaser for engines..
Concentrated all purpose cleaner for interior and exterior jobs
A concentrated APC for interior and ..
6 litre engine degreaser for heavy grease and dirt
A 6 litre engine degreaser for removing grease an..
Astonish 750ml engine degreaser for automotive cleaning
A 750ml engine degreaser for tackling built-..
Two 500ml engine degreaser sprays for greasy engine bay cleaning
Two 500ml engine degreaser sprays f..
Heavy duty cleaner and degreaser for workshop prep jobs
Heavy duty cleaner for grease, tar, wax and ..
Carbusonic citrus parts washer degreaser concentrate for workshop cleaning
A water-based citrus degr..
Carlube CED412 400ml engine cleaner and degreaser
A 400ml aerosol engine cleaner and degreaser for r..
CarPlan engine cleaner and degreaser trigger, 500 g
A water-based degreaser for removing grease, dir..
Engine cleaning made straightforward with CarPlan ECL005
A brush-on, rinse-off engine cleaner for re..
Included in the pack
A water-based degreasing cleaner for removing grease, dirt, grime and oil from ..
Heavy-duty engine degreaser for all-engine cleaning
A concentrated engine degreaser for heavy-duty c..
CARSHARK heavy duty engine degreaser concentrate
A heavy duty concentrated engine degreaser for clea..
A closer look at the Heavy Duty Engine Degreaser Concentrate, 5 Litre +
A heavy duty concentrated en..
Chemical Guys Signature Series Orange Degreaser for greasy automotive cleaning jobs
A heavy-duty deg..
What the listing confirms
A 25 litre caustic motowash engine degreaser for heavy-duty vehicle cleani..
What it is designed for
A ready-to-use heavy duty engine degreaser for cleaning built-up grime from ..
Concentrated engine degreaser and parts washer fluid for workshop cleaning
A concentrated heavy-duty..
Concentrated engine degreaser and parts washer fluid for workshop cleaning
A heavy-duty concentrated..
Where it fits best
A heavy-duty cleaner for engines, machinery and workshop tools, supplied as a 5 l..
Chemiphase EngineKlenz engine degreaser, 2 x 5 litres
A brush-on engine degreaser for removing oil, ..
Spray-on motorcycle cleaner with a plant-based degreaser formula
A spray-on motorcycle cleaner with ..
Fastcar Silverhook engine degreaser 500ml twin pack
A pair of 500ml engine degreasers for removing g..
Heavy-duty cleaner degreaser for workshop and engine use
A heavy-duty, water-based degreaser for gre..
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Engine degreasers
Choose engine degreasers by the area you need to clean and the control you need during application.
Engine degreasers are cleaners for oil film, grease and road grime around engine bays, external engine parts, brackets, under-bonnet plastics, tools used around the engine and removed parts where the product label allows.
Use this collection when you are comparing engine-bay cleaning products rather than broad workshop degreasers. Check surface guidance, dwell time, dilution, and whether the product needs wiping, rinsing or careful residue removal before choosing by bottle size.
Ready-to-use liquids
Useful when you want a product already mixed for routine engine-area cleaning. Compare the spray pattern, wipe or rinse method, and surface notes.
Concentrates and larger containers
Useful for repeat use, several vehicles or workshop cleaning routines. Check dilution guidance, measuring needs, storage notes and compatible sprayers.
Heavy-duty formulas
Useful for heavier oil and grease on compatible parts. Check whether the formula is water-based, solvent-based, citrus or caustic before using it near sensitive materials.
Mixed-material engine bays
Useful when the area includes aluminium, painted metal, plastic covers, rubber hoses, labels or nearby connectors. Favour products with clear material guidance.
Removed parts and tools
Useful when brackets, covers or tools can be cleaned away from the vehicle. Compare contact time, residue, runoff and whether brushing, wiping or rinsing is required.
Match the engine degreaser format to the cleaning area first.
| Engine-area need | Product format to compare | Check before buying |
|---|---|---|
| Small engine-bay details, brackets or covers | Trigger spray, aerosol or ready-to-use engine bay cleaner. | Spray pattern, overspray control, surface notes, drying behaviour, and whether the product needs wiping or rinsing. |
| Repeated vehicle or workshop use | Concentrated degreaser, refill bottle or larger container. | Dilution ratio, measuring method, compatible sprayer, storage guidance, PPE notes, and whether the formula suits the surfaces you clean most often. |
| Heavier grease on removed parts or tools | Heavy-duty degreaser or parts-cleaning product listed for the material. | Material compatibility, residue, runoff, disposal guidance, contact time, and whether the cleaner is intended for removed parts rather than installed engine-bay use. |
| Mixed engine-bay materials | Milder ready-to-use cleaner or product with clear multi-surface guidance. | Painted metal, aluminium, plastic covers, rubber hoses, labels, belts, connectors and nearby electrical-adjacent areas. |
Engine bays contain several materials, so the label matters more than the product name.
Check sensitive surfaces
Engine areas can include aluminium, painted metal, plastic covers, rubber hoses, decals, belts, labels and connectors. Confirm the label covers the materials you expect to clean.
Confirm the cleanup method
Some products are wiped away, some need rinsing, and some leave residue if they are not removed as directed. Compare this before choosing a spray or concentrate.
Match strength to soil level
A stronger degreaser is not automatically the better choice. Lighter road film, oily tools and heavy grease can call for different formulas and contact times.
Compare pack size by use rate
Aerosols and smaller trigger bottles suit occasional jobs. Larger bottles and concentrates make more sense when the product will be used regularly across several vehicles or workshop tasks.
Engine bay focus
This collection is narrower than the main Degreasers page.
General degreaser pages can include workshop floors, tools, parts washers, panel preparation and household-style cleaning. Engine degreasers should be judged mainly by engine-bay relevance: material guidance, controlled application, residue handling and suitability for vehicle engine areas.
If a listing does not mention engine bays, engine parts or vehicle use clearly, treat it as a product to investigate rather than an automatic fit for this collection.
Retailer stock, pack size, formula, dilution, surface compatibility, safety warnings, delivery, and returns can change. Treat the retailer page, product label, and vehicle guidance as the final source before buying or using any engine degreaser.