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Engine Flush Comparison - September 2025
| 1 Best Choice  9.8Exceptional | 2  9.6Exceptional | 3  9.4Excellent | 4  9.2Excellent |
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ModelLiquii Moly Pro-Line Engine Flush (500 ML) - 2 PACK with Maatsen Nitrile Disposable Gloves | Model Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037 | Model Liqui Moly Engine Flush Plus 300ml | Model Liqui Moly motorspulung 500ML (2427) PRO LINE Engine Flush |
BrandMAATSEN | Brand Liqui Moly | Brand Liqui Moly | Brand Liqui Moly |
Reviews | Reviews | Reviews  | Reviews |
Tech Specs | |||
manufacturer part number 2427 | manufacturer part number 2037 | manufacturer part number 2657 | manufacturer part number P000065 |
item weight 2.18 pounds | item weight 15.2 ounces | item weight 8.8 ounces | item weight 14.5 ounces |
customer reviews5.0 5.0 out of 5 stars 2 ratings 5.0 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 7, 542 ratings 4.7 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 3, 839 ratings 4.7 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 9, 641 ratings 4.7 out of 5 stars |
product dimensions- | product dimensions 2.76 x 2.76 x 7.99 inches | product dimensions 2.13 x 2.13 x 7.28 inches | product dimensions 2.6 x 2.6 x 8.07 inches |
Review- | Review | Review - | Review - |
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
1MAATSENLiquii Moly Pro-Line Engine Flush (500 ML) - 2 PACK with Maatsen Nitrile Disposable Gloves
Why we love it
Quick and effective engine cleaning.
Safe for all engine components.
Highly rated by users.
Main highlights- Neutral to seals and other materials installed in the engine
- Gentle and rapid cleaning
- Easy way to clean and flush the oil systems of gasoline and diesel engines
- Compatible with catalytic converters
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9.6
2Liqui Moly
Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037
Why we love it
Easy to use with clear instructions.
Compatible with catalytic converters.
Improves engine performance and fuel efficiency.
Main highlights- Simple to use
- Neutral to seals and other materials installed in the engine
- Gentle and rapid cleaning
- Easy way to clean and flush the oil systems of gasoline and diesel engines
- Compatible with catalytic converters
-
9.4
3
Liqui MolyLiqui Moly Engine Flush Plus 300ml
Why we love it
Highly rated by satisfied users.
Excellent quality and performance.
User-friendly and easy to use.
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
