Top 6 Oil Stop Leak UK – Engine Oil Additives

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1. Lucas Oil

Lucas Oil 10278 Engine Stop Leak, 946 ml

Lucas Oil - Extends the life of engine oil by at least 50%. Less engine noise. Contains nothing that could be harmful to an engine.
BrandLucas Oil
ManufacturerLucas Oil
Height11.9 cm (4.69 Inches)
Length2.8 cm (1.1 Inches)
Weight0.92 kg (2.03 Pounds)
Width4 cm (1.57 Inches)
Part Number10278

2. STP

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml

STP - Contains no solids to clog filters or inhibit flow. Helps stop minor oil leaks. Conditions engine seals. Proudly made in the UK. Is compatible with regular and synthetic motor oils.
Part NumberGST63300EN

3. Liqui Moly

LIQUI MOLY Motor Oil Saver 300ml 1802

Liqui Moly - After adding, run the engine until warm. The product can be added at any time. One 300 ml can of oil leak stop is sufficient up to 5 liters of motor oil. Not suitable for use in motorcycles with wet clutches! For all gasoline and diesel engines. Sealing first takes effect after about 600 - 800 km. Counteracts oil dilution. Regenerates rubber and plastic engine seals such as shaft seals and valve stem seals and prevents oil stains under the vehicle. Reduces engine noise and oil consumption through piston rings and valve guides. Compatible with all commercially available motor oils.
BrandLiqui Moly
ManufacturerLIQUI MOLY GmbH
Height6 cm (2.36 Inches)
Length12 cm (4.72 Inches)
Weight0.3 kg (0.66 Pounds)
Width6 cm (2.36 Inches)
Part NumberP000002


NO LEAK 20401 3676

NO LEAK - Stops smoke and repairs rear main seals. Recommended for rear main seal repair. Safe & compatible with ALL engine oils. Stops and prevents engine oil leaks caused by dried, shrunken, or harden seals.
ManufacturerGold Eagle
Height22.56 cm (8.88 Inches)
Length21.44 cm (8.44 Inches)
Weight0 kg (0 Pounds)
Width14.12 cm (5.56 Inches)
Part Number20401

5. Lucas Oil

Lucas Oil 10008 Power Steering Stop Leak, 355 ml

Lucas Oil - Helps to stop seal leaks. Not suitable for electric power steering pumps. Reduces slack and hard spots in worn rack and pinions.
BrandLucas Oil
ManufacturerLucas Oil
Height4.67 cm (1.84 Inches)
Length15.9 cm (6.26 Inches)
Weight0.37 kg (0.81 Pounds)
Width5.82 cm (2.29 Inches)
Part Number10008

6. Liqui Moly

Liqui Moly Pro-Line 5182 Oil Leak Stop 1 L

Liqui Moly - Reduces oil consumption through piston rings due to its uniform viscosity and through valve guides by regenerating the seals. Contents of the can 1 liter are sufficient for up to 15 liters of motor oil.

For professionals only! Oil loss stop regenerates rubber and plastic engine seals e. G. Shaft seals and valve stem seals. After adding, run the engine until warm or drive the vehicle. Can be mixed with all commercial engine oils. Suitable for all gasoline and diesel engines. Suitable for all petrol and diesel engines with or without a diesel particulate filter DPF. The product can be added at any time. 1 l, enough for around 15 l of engine oil Sealing action after 600 - 800 km.
BrandLiqui Moly
ManufacturerLiqui Moly
Height33.91 cm (13.35 Inches)
Length94.49 cm (37.2 Inches)
Weight0.23 kg (0.51 Pounds)
Width33.91 cm (13.35 Inches)
Part NumberP000067