Advertising Disclosure Engines Engine Parts Comparison - July 2025
5 Best Engines Engine Parts In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.6Exceptional | 4 Best Value  9.3Excellent | 5  9.2Excellent |
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ModelREDEX 10W-40 Part Synthetic Motor Engine Oil 2Litre | Model Carbusonic Ultrasonic carburettor cleaning solution 1lt removes dirt and grease from engine parts, tools and motorbike parts 1 litre | Model Holts Engine Degreaser Spray, Engine Cleaner Degreaser, Professional Quality Engine & Parts Degreaser, Removes Dirt, Grease & Oil, Car Degreaser To Clean Any Surface, 360° Spray, 500ml | Model Gunk 6868 5L Ultra Engine Degreaser,Label may vary | Model Showtime Chemicals Concentrate Engine Degreaser | Parts Washer Fluid | Dilute up to 20:1 | Removes Dirt & Grime with Ease | Multiple Uses (5 Litres) |
BrandRedex | Brand Carbusonic | Brand Holts | Brand Gunk | Brand Showtime Chemicals |
Reviews | Reviews | Reviews | Reviews  | Reviews |
Tech Specs | ||||
manufacturer part number RMTN0007A | manufacturer part number ep24r | manufacturer part number LOYHMTN0701A | manufacturer part number GK6868 | manufacturer part number Showtime Chemicals |
customer reviews4.7 4.7 out of 5 stars 193 ratings 4.7 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 102 ratings 4.5 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 209 ratings 4.6 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 2, 752 ratings 4.3 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 54 ratings 4.4 out of 5 stars |
item weight 1.82 kg | item weight 1 kg | item weight 200 g | item weight 5.22 kg | item weight - |
model RMTN0007A | model ep24r | model LOYHMTN0701A | model GK6868 | model - |
product dimensions 9.6 x 16 x 23 cm 1.82 kg | product dimensions 10 x 20 x 20 cm 1 kg | product dimensions 6.5 x 6.5 x 23.9 cm 200 g | product dimensions - | product dimensions - |
special features- | special features re-usable | special features - | special features Deep penetrating and fast acting, latest technology in cleaning & degreasing | special features Concentrated |
Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1
RedexREDEX 10W-40 Part Synthetic Motor Engine Oil 2Litre
Why we love it
Prolongs engine life and extends time between oil changes.
Suitable for both petrol and diesel vehicles.
High quality, good value motor oil.
Main highlights- Recommended for Applications Requiring: API SL CF; ACEA A3/B3
- Part Synthetic Oil Helps to Prolong the Life of Your Engine and Allow You to Drive for Longer Between Oil Changes
- Part Synthetic 10W-40 Engine Oil
- High Quality Motor Oil Suitable for both Petrol and Diesel Vehicles
- Always refer to your manufacturer guidelines to choose your oil, or use our Redex Oil Finder lookup
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9.7
2Carbusonic
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 various materials.
Restores engine performance.
Highly effective cleaning.
Main highlights- 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
- 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.
- Powerful performance great for restoration & maintenance dilute Up to 1- 10 with hot water. Use multiple times for great value.
- 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.
- 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.
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9.6
3
Holts
Holts Engine Degreaser Spray, Engine Cleaner Degreaser, Professional Quality Engine & Parts Degreaser, Removes Dirt, Grease & Oil, Car Degreaser To Clean Any Surface, 360° Spray, 500ml
Why we love it
Real car parts!
Not just for looks.
Can actually improve performance.
Main highlights- PROFESSIONAL ENGINE CLEANER: Our fantastic Engine Cleaner Spray is specially designed to remove oil, grease and dirt that builds up in your car. Keep your car’s engine clean and performing at its best without the risk of causing damage.
- POWERFUL GUNK ENGINE DEGREASER: Holts Professional Engine and Parts Degreaser will ensure a thorough cleaning of your car’s engine and other parts. These parts can become dirty or greasy - this spray will ensure they are clean and undamaged.
- OVER 100 YEARS OF EXCELLENCE: At Holts, we have spent over a century offering solutions to your car troubles to make your life easier and stress free. If you want the perfect tools to maintain, repair or clean your vehicle, we have what you need.
- MULTI-PURPOSE DEGREASER SPRAY: Use this versatile Engine Cleaner Degreaser to safely clean all kinds of different surfaces, including tools, machinery, vehicle parts, painted floors and paintbrushes. The spray rinses off for a clean surface.
- EASY TO USE CLEANER SPRAY BOTTLE: It’s not always easy to access components in modern vehicles, so our specially designed bottle will work at all angles. The 360° spray bottle means you will be able to get to all of those hard-to-reach spots.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
