10 bestEngine Flush Productsof February 2025
112M consumers helped this year.
1

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1
Liqui Moly

9.9
39% off
2

LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427
Liqui Moly

9.8
10% off
3

Wynn's Engine Oil Stop Leak Sealer Treatment Additive For All Engine Types 325ml
Wynn's

9.6
14% off
4

STP Diesel High Milage Injector Cleaner 200 ml, Cleans and Protects your Engine for 300 miles, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK
STP

9.4
5

Liqui Moly 1803 Injection Cleaner 300ml
Liqui Moly

9.2
OtherUp to 35% off
6

Wynn's Super Charge Oil Treatment Compression Restoring Additive For Petrol & Diesel Engines 425ml
Wynn's

9.0
8% off
7

Prestone Coolant Flush, Engine Coolant Flush For Car To Prevent Problems & Maximise Performance, Car Coolant Flush With Advanced Cleaner To Dissolve Corrosion & Scale, Safe For All Engines, 1 Litre
Holts

8.7
14% off
8

LIQUI MOLY 5200 Oil Sludge Flush 300 ml
Liqui Moly

8.4
29% off
9

Liqui Moly 2770 - Engine Oil Additive
Liqui Moly

8.2
10

Wynn's Engine Oil Flush Cleans Inside Engine & Removes Harmful Deposits 425ml
Wynn's

7.9

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