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Lubrication - buy oils and additives inexpensively

To ensure that everything in the vehicle runs like a clockwork, you need certain oils and fluids in circulation. The most important elements include engine oil, transmission oil, additives and brake fluid. The main functions of engine oil are cooling and lubrication in the combustion engine. Transmission oil makes gear changes easier and brake fluid transmits brake pedal force to the brake pistons. At car parts you will find all these liquids at a fair price. Discover our brand variety. We carry products from renowned manufacturers such as LIQUIMOLY, Castrol, Mobil, etc. Simply ordered, the right oil will reach you in 1-2 working days. Convince yourself now of our high quality products.

Top Additives | Oils | Lubrication Articles

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Functions of engine oil




Heat is absorbed by the oil and released elsewhere


The oil reduces the clogging of pistons in the cylinder. This increases the efficiency of the engine, as the movement of the piston is not slowed down by friction.


Dirt particles, combustion residues, soot, etc. are absorbed by the oil and cleaned by the oil filter and led out of the engine.

Corrosion protection

Oil contains a natural corrosion protection which increases the service life of the spare parts.

Noise damping

Vibrations are absorbed by the oil and thus noise and sound are damped.


In addition to lubrication, the oil film in the cylinder functions as a seal, preventing gases from escaping from the combustion chamber.

The right choice of oil

When choosing oil, neither a high price nor a well-known brand is the decisive criterion. You must pay attention to SAE viscosity grade, ACEA specification and API classification when choosing. You can usually find the relevant data for your vehicle in the service booklet or the operating manual of your vehicle. If this is not readily available, contact the manufacturer directly or on the Internet. It is important to remember that an incorrectly selected oil can cause damage to the engine.

Meaning of viscosity

By viscosity we mean the fluidity of liquids or gases.

High viscosity ⇒ Thick liquid

Low viscosity ⇒ Thin liquid

Liquids with low viscosity have a faster flow behaviour and therefore get into any interstitial space in a short time. Viscous lubricants have a higher load-bearing capacity. Viscosity is therefore not an exclusion criterion in the choice of oil, as it can fulfil various functions and thus be used in different vehicle areas. Only the manufacturer can determine the important properties for the engine oil.

SAE Viscosity class

The SAE viscosity class has been in existence since 1911 and classifies engine oil according to the SAE J300 standard. The first number indicates the viscosity at cold temperatures, i.e. up to which low temperature the oil can still be pumped without problems. The second table shows the flow characteristics of the oil at the highest temperature of 100°C and is given in mm²/s.

SAE Winter Classification SAE viscosity classes

Engine oil

Lowest temperature













Engine oil

min. viscosity at 100 °C

SAE 16

5,6 mm²/s

SAE 20

6,9 mm²/s

SAE 30

9,3 mm²/s

SAE 40

12,5 mm²/s

SAE 50

16,3 mm²/s

SAE 60

21,9 mm²/s

Why is oil change important?

Since engine oil is subject to many stresses and strains, such as high heat, increased friction and chemical substances, the obvious conclusion is the natural sealing of oil. Therefore it is recommended to change it in regular intervals. Oil filters slow down the aging process of oils because they remove dirt particles, abrasion, dust, etc. from the oil. However, they cannot prevent certain blow-by gases from leaving the combustion chamber through oxidation. The oxidation and soot or fuel components also cause the viscosity of the oil to change. This can dilute or thicken the oil and thus impair the combustion process. We therefore recommend checking the oil level regularly and topping up in an emergency. Order now online and enjoy a smooth engine run in 1-2 working days.