Best Carb Cleaner Liquid of 2026

Last updated on 12/02/2026
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1
Carbusonic Carburettor Cleaning Ultrasonic Solution Biodegradable cleaning detergent suitable for ultrasonic tanks and baths. Aluminium safe formulation.5 litre
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Carbusonic Carburettor Cleaning Ultrasonic Solution Biodegradable cleaning detergent suitable for ultrasonic tanks and baths. Aluminium safe formulation.5 litre

Carbusonic
Why we love it
  • Aluminum safe and efficient.
  • Easily removes grease and grime.
  • Gentle on precious materials.
Main Highlights
  • Ultrasonic cleaning fluid carburettor and engine part aluminum safe 5lt. Ep24r is a specialist formulation for adding to ultrasonic baths for cleaning engine parts including carburettors, valves, heat exchangers etc
  • Removes grease, dirt and grime easily and effectively. Cleaning concentrate for glasses, jewellery, dental products, gold, coins, glass, watches, gems and mechanical components (waterproof).
  • Use in an ultrasonic cleaning tank for best results. Removes mineral residues, organic fats, deposits, lubricating films, oils, rust, waxes, pigments, polishing residue from metal, glass, ceramic, plastic and rubb
  • Removes oxidation and rust grease and grime. Ep24r can be diluted according to the degree of soiling and used in any ultrasonic device in a mixing ratio of up to 1:10. Helps with light to heavy soiling and is gentle on materials such as precious metals and plastics.
  • Excellent results on carburettors. Our concentrate saves you the effort and time of laboriously cleaning e-cigarettes (vaporisers), bracelets, watches as well as jewellery and other items. You place the item in the ultrasonic bath with cleaner and get back a completely cleaned item after a short time.
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9.7
Exceptional
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9.7
Exceptional
Carbusonic

Carbusonic Carburettor Cleaning Ultrasonic Solution Biodegradable cleaning detergent suitable for ultrasonic tanks and baths. Aluminium safe formulation.5 litre

Why we love it
  • Aluminum safe and efficient.
  • Easily removes grease and grime.
  • Gentle on precious materials.
Main Highlights
  • Ultrasonic cleaning fluid carburettor and engine part aluminum safe 5lt. Ep24r is a specialist formulation for adding to ultrasonic baths for cleaning engine parts including carburettors, valves, heat exchangers etc
  • Removes grease, dirt and grime easily and effectively. Cleaning concentrate for glasses, jewellery, dental products, gold, coins, glass, watches, gems and mechanical components (waterproof).
  • Use in an ultrasonic cleaning tank for best results. Removes mineral residues, organic fats, deposits, lubricating films, oils, rust, waxes, pigments, polishing residue from metal, glass, ceramic, plastic and rubb
  • Removes oxidation and rust grease and grime. Ep24r can be diluted according to the degree of soiling and used in any ultrasonic device in a mixing ratio of up to 1:10. Helps with light to heavy soiling and is gentle on materials such as precious metals and plastics.
  • Excellent results on carburettors. Our concentrate saves you the effort and time of laboriously cleaning e-cigarettes (vaporisers), bracelets, watches as well as jewellery and other items. You place the item in the ultrasonic bath with cleaner and get back a completely cleaned item after a short time.
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Value for Money
2
Ultrasonic Carburettor | Carb | Engine Cleaner 5 litre Fluid Solution 5L
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Ultrasonic Carburettor | Carb | Engine Cleaner 5 litre Fluid Solution 5L

Best Ultrasonic Cleaners
Why we love it
  • Removes petrol residue effortlessly.
  • Cleans various engine components effectively.
  • Concentrate maximizes cleaning solution yield.
Main Highlights
  • Removes dried petrol residue (AKA petrol varnish).
  • Cleans carburettors, valves, fuel injectors + most engine parts
  • Concentrated - 5 Ltr makes 50 Ltr of working solution.
  • Fantastic results on alloys and aluminium castings.
  • Deep cleans removing dirt and oxidation.
  • Re-use many times until dirty.
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9.5
Superb
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9.5
Superb
Best Ultrasonic Cleaners

Ultrasonic Carburettor | Carb | Engine Cleaner 5 litre Fluid Solution 5L

Why we love it
  • Removes petrol residue effortlessly.
  • Cleans various engine components effectively.
  • Concentrate maximizes cleaning solution yield.
Main Highlights
  • Removes dried petrol residue (AKA petrol varnish).
  • Cleans carburettors, valves, fuel injectors + most engine parts
  • Concentrated - 5 Ltr makes 50 Ltr of working solution.
  • Fantastic results on alloys and aluminium castings.
  • Deep cleans removing dirt and oxidation.
  • Re-use many times until dirty.
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3
B-12 CHEMTOOL Carburetor/Choke Cleaners - 15 oz can Liquid b-12 carb/Choke Cleaner [Set of 12]

B-12 CHEMTOOL Carburetor/Choke Cleaners - 15 oz can Liquid b-12 carb/Choke Cleaner [Set of 12]

Mokeum
9.3
Superb
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9.3
Superb
Mokeum

B-12 CHEMTOOL Carburetor/Choke Cleaners - 15 oz can Liquid b-12 carb/Choke Cleaner [Set of 12]

4
Carbusonic Ultrasonic carburettor cleaning solution 1lt removes dirt and grease from engine parts, tools and motorbike parts 1 litre
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Carbusonic Ultrasonic carburettor cleaning solution 1lt removes dirt and grease from engine parts, tools and motorbike parts 1 litre

Carbusonic
Why we love it
  • Safe for multiple materials.
  • Powerful and reusable cleaner.
  • Restores vehicle performance.
Main Highlights
  • Aluminium safe, will not darken parts. Use on Steel, Brass, Tin, Zinc, Aluminium, Copper, Ceramic, Plastic, Rubber and glass. Unlike acid-based cleaners our solution will not attack aluminium to darken the surface instead it is compatible and leave a good clean finish.
  • Powerful performance great for restoration & maintenance dilute Up to 1- 10 with hot water. Use multiple times for great value.
  • Restores Performance - Removes gelled fuel, tarnish, oxide and debris from bowels and jets. Gelled fuel from standing or over-wintering vehicles has a dramatic effect on fuel system and power output, cleaning your carburettor with ultrasonic fluid restores power and fuel efficiency by unblocking jets and float chambers allowing proper injection and fuel to air ratio.
  • Ideally suited to carburettor cleaning - safely restores manifolds, carburettors and most machine parts. Alcohol based surfactants and buffering agents combine to impact debris with over 4000c implosions produced by ultrasonic sound waves to break down surface contamination. The grime is held in solution leaving the item clean and decontaminated.
  • Used by professionals developed in the UK great feedback Carbusonic limited have 35 years' experience in chemical coatings and rust treatment products formulated to exacting standards, every batch is tested to meet strict guidelines and through years of experience and feedback we know what the customer expects
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9.2
Superb
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9.2
Superb
Carbusonic

Carbusonic Ultrasonic carburettor cleaning solution 1lt removes dirt and grease from engine parts, tools and motorbike parts 1 litre

Why we love it
  • Safe for multiple materials.
  • Powerful and reusable cleaner.
  • Restores vehicle performance.
Main Highlights
  • Aluminium safe, will not darken parts. Use on Steel, Brass, Tin, Zinc, Aluminium, Copper, Ceramic, Plastic, Rubber and glass. Unlike acid-based cleaners our solution will not attack aluminium to darken the surface instead it is compatible and leave a good clean finish.
  • Powerful performance great for restoration & maintenance dilute Up to 1- 10 with hot water. Use multiple times for great value.
  • Restores Performance - Removes gelled fuel, tarnish, oxide and debris from bowels and jets. Gelled fuel from standing or over-wintering vehicles has a dramatic effect on fuel system and power output, cleaning your carburettor with ultrasonic fluid restores power and fuel efficiency by unblocking jets and float chambers allowing proper injection and fuel to air ratio.
  • Ideally suited to carburettor cleaning - safely restores manifolds, carburettors and most machine parts. Alcohol based surfactants and buffering agents combine to impact debris with over 4000c implosions produced by ultrasonic sound waves to break down surface contamination. The grime is held in solution leaving the item clean and decontaminated.
  • Used by professionals developed in the UK great feedback Carbusonic limited have 35 years' experience in chemical coatings and rust treatment products formulated to exacting standards, every batch is tested to meet strict guidelines and through years of experience and feedback we know what the customer expects
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5
Allendale UltroCarb Ultrasonic Metal & Engine Parts Cleaner - Makes 20L - UK Made Concentrated Cleaning Powder for Carburettors, Tools & Engine Components - Aluminium Safe, 400g
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Allendale UltroCarb Ultrasonic Metal & Engine Parts Cleaner - Makes 20L - UK Made Concentrated Cleaning Powder for Carburettors, Tools & Engine Components - Aluminium Safe, 400g

ULTROPOWDER
12% Off
Why we love it
  • Cost-effective and safe solution. Effective cleaning for metals. Convenient and eco-friendly packaging.
Main Highlights
  • Powerful ultrasonic cleaning formulation engineered and manufactured in the UK - trademarked UltroPowder solution removes carbon, oil and fuel residue from carburettors, engine parts and metal components using enhanced ultrasonic cavitation for thorough, damage-free cleaning.
  • Exceptional coverage and value - the 400 g powder concentrate mixes with standard tap water to produce 20 litres of ready-to-use ultrasonic cleaning solution, specialised formula has a water softener included so no need for de-ionised water. Ideal for routine maintenance, restoration projects and small workshops requiring consistent professional results without storing heavy liquid containers.
  • Aluminium-safe and non-acidic formulation protects sensitive alloys and finishes - cleans brass, copper, zinc, steel and rubber seals without corrosion, pitting or dulling. The fully soluble powder is non-solvent-based and safe on metals, plastics and elastomers.
  • Best results with an ultrasonic bath - mix using standard tap water and the included measuring scoop for accurate dilution and repeatable performance. Heat the bath to 50–60 °C and clean parts for 10–30 minutes. Reusable solution delivers efficient, low-waste workshop cleaning.
  • UK quality you can trust - developed and tested in England by Allendale Ultrasonics and Made in Britain certified. The lightweight powder format saves storage space and reduces plastic packaging by up to 80% compared with liquid ultrasonic cleaners.
  • Allendale UltroPowder Ultrasonic Cleaning Powder 400 g is a UK-made concentrate for ultrasonic baths designed for regular garage and workshop cleaning of carburettors, engine components and metal parts. The aluminium-safe, non-acidic formula lifts oil, grease and carbon build-up without pitting or darkening. Mix with standard tap water using the included measuring scoop to produce 20 litres of ultrasonic cleaning solution, providing repeatable results with easier storage and up to 80% less plastic packaging than liquid cleaners.
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9.1
Superb
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9.1
Superb
ULTROPOWDER

Allendale UltroCarb Ultrasonic Metal & Engine Parts Cleaner - Makes 20L - UK Made Concentrated Cleaning Powder for Carburettors, Tools & Engine Components - Aluminium Safe, 400g

12% Off
Why we love it
  • Cost-effective and safe solution. Effective cleaning for metals. Convenient and eco-friendly packaging.
Main Highlights
  • Powerful ultrasonic cleaning formulation engineered and manufactured in the UK - trademarked UltroPowder solution removes carbon, oil and fuel residue from carburettors, engine parts and metal components using enhanced ultrasonic cavitation for thorough, damage-free cleaning.
  • Exceptional coverage and value - the 400 g powder concentrate mixes with standard tap water to produce 20 litres of ready-to-use ultrasonic cleaning solution, specialised formula has a water softener included so no need for de-ionised water. Ideal for routine maintenance, restoration projects and small workshops requiring consistent professional results without storing heavy liquid containers.
  • Aluminium-safe and non-acidic formulation protects sensitive alloys and finishes - cleans brass, copper, zinc, steel and rubber seals without corrosion, pitting or dulling. The fully soluble powder is non-solvent-based and safe on metals, plastics and elastomers.
  • Best results with an ultrasonic bath - mix using standard tap water and the included measuring scoop for accurate dilution and repeatable performance. Heat the bath to 50–60 °C and clean parts for 10–30 minutes. Reusable solution delivers efficient, low-waste workshop cleaning.
  • UK quality you can trust - developed and tested in England by Allendale Ultrasonics and Made in Britain certified. The lightweight powder format saves storage space and reduces plastic packaging by up to 80% compared with liquid ultrasonic cleaners.
  • Allendale UltroPowder Ultrasonic Cleaning Powder 400 g is a UK-made concentrate for ultrasonic baths designed for regular garage and workshop cleaning of carburettors, engine components and metal parts. The aluminium-safe, non-acidic formula lifts oil, grease and carbon build-up without pitting or darkening. Mix with standard tap water using the included measuring scoop to produce 20 litres of ultrasonic cleaning solution, providing repeatable results with easier storage and up to 80% less plastic packaging than liquid cleaners.
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6
DWChemicals Ultrasonic Carburettor Engine Machine Parts Cleaning Fluid, Home or Professional Use On All Metals (5 Litre)

DWChemicals Ultrasonic Carburettor Engine Machine Parts Cleaning Fluid, Home or Professional Use On All Metals (5 Litre)

DWChemicals
Why we love it
  • Safe for sensitive metals.
  • Deep cleans effectively.
  • Highly economical solution.
Main Highlights
  • Safe to use on all sensitive metals.
  • Deep cleans removing dirt and oxidation.
  • Excellent stain remover.
  • Economical to use. 1L makes 10L solution
  • For professional and amateur use.
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9.0
Superb
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9.0
Superb
DWChemicals

DWChemicals Ultrasonic Carburettor Engine Machine Parts Cleaning Fluid, Home or Professional Use On All Metals (5 Litre)

Why we love it
  • Safe for sensitive metals.
  • Deep cleans effectively.
  • Highly economical solution.
Main Highlights
  • Safe to use on all sensitive metals.
  • Deep cleans removing dirt and oxidation.
  • Excellent stain remover.
  • Economical to use. 1L makes 10L solution
  • For professional and amateur use.
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7
Fastcar 3 x STP Carb Cleaner Spray 500ml

Fastcar 3 x STP Carb Cleaner Spray 500ml

Fastcar
Why we love it
  • Enhances engine power and performance.
  • Prevents harmful deposit accumulation.
  • Ideal for various engine parts.
Main Highlights
  • Powerful formula maximises power, performance and efficiency of your engine
  • Prevents the build up of harmful deposits
  • For use on carburettors, linkages and automatic chokes
  • 500ml spray can
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8.8
Excellent
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8.8
Excellent
Fastcar

Fastcar 3 x STP Carb Cleaner Spray 500ml

Why we love it
  • Enhances engine power and performance.
  • Prevents harmful deposit accumulation.
  • Ideal for various engine parts.
Main Highlights
  • Powerful formula maximises power, performance and efficiency of your engine
  • Prevents the build up of harmful deposits
  • For use on carburettors, linkages and automatic chokes
  • 500ml spray can
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8
DWchemicals 1000ml Super Concentrated Ultrasonic Carburettor Cleaning Fluid 20-1

DWchemicals 1000ml Super Concentrated Ultrasonic Carburettor Cleaning Fluid 20-1

DWChemicals
8.7
Excellent
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8.7
Excellent
DWChemicals

DWchemicals 1000ml Super Concentrated Ultrasonic Carburettor Cleaning Fluid 20-1

9
Allendale UltroCarb Ultrasonic Metal Parts & Carb Cleaner - Makes 10L - UK Made Concentrated Cleaning Powder for Small Metal Items, Tools & Precision Components - Aluminium-Safe, 200g
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Allendale UltroCarb Ultrasonic Metal Parts & Carb Cleaner - Makes 10L - UK Made Concentrated Cleaning Powder for Small Metal Items, Tools & Precision Components - Aluminium-Safe, 200g

ULTROPOWDER
6% Off
Why we love it
  • Eco-Friendly packaging reduces waste.
  • Cost-effective with great value.
  • Long shelf life.
Main Highlights
  • Professional ultrasonic cleaning power formulated and manufactured in the UK - trademarked UltroPowder solution, this specialist concentrate removes oil, grease, oxidation and carbon deposits from small metal items using ultrasonic cavitation for deep, consistent results. Designed for home use, hobbyists and engineers who need reliable precision cleaning without damage, darkening or residue.
  • Ideal for cleaning small items where precision matters - perfect for carburettor parts, bike components, nuts, bolts, spark plugs, small engine parts, tools and precision metal components. The 200 g powder mixes easily with standard tap water to make 10 litres of ultrasonic cleaning solution, specialised formula has a water softener included so no need for de-ionised water.
  • Aluminium-safe and non-acidic formulation ensures protection of sensitive alloys and finishes - cleans brass, copper, zinc and steel without pitting, etching or dulling. The non-solvent-based formula is completely safe on metals, plastics and rubber components including O-rings and seals.
  • Best results with an ultrasonic bath - simply mix the powder with standard tap water using the included measuring scoop, heat the bath to around 50–60 °C and immerse parts for 10–30 minutes. The solution can be reused for multiple cycles, offering a low-waste, cost-effective alternative to carb cleaner spray.
  • UK quality you can trust - Allendale Ultrasonics develops each batch in England with specialist testing for safety and consistency. Made in Britain certified, this professional-grade powder delivers reliable results while using up to 80% less plastic packaging than liquid cleaners.
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8.7
Excellent
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8.7
Excellent
ULTROPOWDER

Allendale UltroCarb Ultrasonic Metal Parts & Carb Cleaner - Makes 10L - UK Made Concentrated Cleaning Powder for Small Metal Items, Tools & Precision Components - Aluminium-Safe, 200g

6% Off
Why we love it
  • Eco-Friendly packaging reduces waste.
  • Cost-effective with great value.
  • Long shelf life.
Main Highlights
  • Professional ultrasonic cleaning power formulated and manufactured in the UK - trademarked UltroPowder solution, this specialist concentrate removes oil, grease, oxidation and carbon deposits from small metal items using ultrasonic cavitation for deep, consistent results. Designed for home use, hobbyists and engineers who need reliable precision cleaning without damage, darkening or residue.
  • Ideal for cleaning small items where precision matters - perfect for carburettor parts, bike components, nuts, bolts, spark plugs, small engine parts, tools and precision metal components. The 200 g powder mixes easily with standard tap water to make 10 litres of ultrasonic cleaning solution, specialised formula has a water softener included so no need for de-ionised water.
  • Aluminium-safe and non-acidic formulation ensures protection of sensitive alloys and finishes - cleans brass, copper, zinc and steel without pitting, etching or dulling. The non-solvent-based formula is completely safe on metals, plastics and rubber components including O-rings and seals.
  • Best results with an ultrasonic bath - simply mix the powder with standard tap water using the included measuring scoop, heat the bath to around 50–60 °C and immerse parts for 10–30 minutes. The solution can be reused for multiple cycles, offering a low-waste, cost-effective alternative to carb cleaner spray.
  • UK quality you can trust - Allendale Ultrasonics develops each batch in England with specialist testing for safety and consistency. Made in Britain certified, this professional-grade powder delivers reliable results while using up to 80% less plastic packaging than liquid cleaners.
Show More
10
STP Carb Spray Cleaner 500 ml, Cleans and Protects Carburettors, Linkages and Automatic Chokes, Mechanical Car Cleaning Products, Made in the UK
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STP Carb Spray Cleaner 500 ml, Cleans and Protects Carburettors, Linkages and Automatic Chokes, Mechanical Car Cleaning Products, Made in the UK

STP
Why we love it
  • Optimal for carburettors maintenance.
  • EU-made, quality assured.
  • Avoids wax and paint damages.
Main Highlights
  • Cleans carburettors, linkages and automatic chokes
  • Keeps carburettors in peak condition
  • Must not be sprayed on the car’s finish: can cause wax and paint streaking
  • Prevents dirt from building up
  • Removes grease and dirt
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8.7
Excellent
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8.7
Excellent
STP

STP Carb Spray Cleaner 500 ml, Cleans and Protects Carburettors, Linkages and Automatic Chokes, Mechanical Car Cleaning Products, Made in the UK

Why we love it
  • Optimal for carburettors maintenance.
  • EU-made, quality assured.
  • Avoids wax and paint damages.
Main Highlights
  • Cleans carburettors, linkages and automatic chokes
  • Keeps carburettors in peak condition
  • Must not be sprayed on the car’s finish: can cause wax and paint streaking
  • Prevents dirt from building up
  • Removes grease and dirt
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We scanned 1781 products

We reviewed these offers relevant to the Carb Cleaner Liquid 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 Carbusonic, Best Ultrasonic Cleaners, Mokeum, ULTROPOWDER, DWChemicals, Fastcar, STP, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Carb Cleaner Liquid in the market, we considered we took a deep dive into 8906 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: