Gear Oils

Gear oil is a lubricant that protects and prolongs the lifespan of the car transmission system and reduces fuel consumption. When buying gear oil, follow the instructions in your car manual. Car manufacturers generally list recommended SAE and API oil specifications and company standards, plus the amount of oil the car needs.

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Key parameters when selecting gear oils

Viscosity

Viscosity indicates the temperature range at which the oil maintains its lubricating characteristics. The viscosity grade of a lube oil is determined by SAE standards; their viscosity grades are divided into W ("Winter") oils and summer oils. The grade indicates how thick or thin the particular oil is and tells you whether it is suitable for use in summer, winter, or all year round. Low-temperature viscosity oils are marked with the letter W (for example, 75W), while high-temperature viscosity oils have no extra letters in their designation. Then there are also oils that can be used in both winter and summer. These are marked by two grades (e.g. 80W-90).

 

Performance characteristics

Selecting the right performance level increases protection for all gear components against wear.

  • GL-1 - gear oils without additives for manual transmissions and operating under mild conditions.
  • GL-2 - gear oils without additives for manual transmissions and operating under moderate conditions.
  • GL-3 - gear oils with a small amount of additives for manual transmissions and operating under moderate conditions.
  • GL-4 - high-additive oils for gears operating under moderate to severe conditions or axles with hypoid gears operating under moderate speeds and loads.
  • GL-5 - high-additive oils for gears and axles with hypoid gears operating under highly variable conditions. Not suitable for manual gearboxes.
  • GL-6 - oils for hypoid gears operating under extreme conditions. Rarely used. Not suitable for manual gearboxes.

 

Automatic transmissions have highly specific requirements, so performance characteristics of transmission fluids are generally determined by vehicle manufacturers.

Mineral or synthetic

Mineral oils are made from petroleum products; synthetic oils are made from artificially produced chemical compounds. There are two basic types of synthetic gear oils:

  • Polyalphaolefins (PAO) - artificial polymeric mineral oils, can be mixed with other mineral oils.
  • Polyalkylene glycols (PAG) - cannot be mixed with mineral or PAO oils. Not particularly common in personal vehicles.

Gear oil change intervals are there for a reason

Make sure to follow the car/oil manufacturer’s instructions and change the gear oil as often as they recommend. If you do not have the car manual, contact the car manufacturer or an authorised distributor.

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Motorex Racing Fork Oil 10W 1L - Fork oil
5.0 2×
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Motorex Racing Fork Oil 10W 1L
Fork oil - for modern fork systems with high demands, contains additives for protection and care of seals, optimum damping over the entire temperature range, prevents foaming and corrosion, ensures fast fork response, viscosity 10W, volume 1 l
  399,-
399 Kč/l
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  1,349,-
337 Kč/l
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Order Code: Moto29901
TOTAL TRANSMISSION DUAL 9 FE 75W90 - 1 litre - Gear oil
5.0 3×
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TOTAL TRANSMISSION DUAL 9 FE 75W90 - 1 litre
Gear oil - 75W90, API MT-1, API GL-4, API GL-5, MACK GO-J, MAN 3343 TYPE SL (ex MAN 3343 TYPE SL), SAE J 2360, SCANIA STO 1: 0, ZF TE-ML 02B , 05B, 07A, 12B, 16F, 17B, 19C, Mercedes Benz 235.8 - 319 Kč/1 l
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Repsol Qualifier Transmission SAE 75W - 1 L - Gear oil
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Repsol Qualifier Transmission SAE 75W - 1 L
Gear oil 75W - synthetic, for manual transmission, primarily for motorcycles, API GL-4/GL-5 specification, packing volume 1 l - 429 Kč/1 l
  429,-
429 Kč/l
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Order Code: AUPR59041
Motorex Racing Fork Oil 2,5W 1L - Fork oil
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Motorex Racing Fork Oil 2,5W 1L
Fork oil - for modern high-stress motorcycle forks, optimum damping at all temperatures, low coefficient of friction for fast and accurate response, stable prescribed immersion, prevents foaming and corrosion, contains additives to protect the seals, viscosity 2.5W, volume 1 l
  399,-
399 Kč/l
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Millers Oils Mineral Gear Oil - Classic Differential Oil EP 85w140 GL5 5l - Gear oil
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Millers Oils Mineral Gear Oil - Classic Differential Oil EP 85w140 GL5 5l
Gear oil 85W-140 - API GL-5 specification, packing volume 5 l - 358 Kč/1 l
  1,790,-
358 Kč/l
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Motorex Racing Fork Oil 10W-30 1L - Fork oil
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Motorex Racing Fork Oil 10W-30 1L
Fork oil - optimum damping at all temperatures, prevents foaming and corrosion, contains additives to protect the seals, easy application, for modern fork systems, viscosity 10W-30, volume 1 l
  339,-
339 Kč/l
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Millers Oils Full Synthetic Gear Oil TRX Synth 75W-90 1l - Gear oil
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Millers Oils Full Synthetic Gear Oil TRX Synth 75W-90 1l
Gear oil 75W-90 - API GL-4/GL-5 specification, packing volume 1 l - 579 Kč/1 l
  579,-
579 Kč/l
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Motorex Farmer Poly 304 5L - Gear oil
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Motorex Farmer Poly 304 5L
Gear oil - API GL-4 specification, packing volume 5 l - 356 Kč/1 l
  1,779,-
356 Kč/l
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Order Code: Moto29905
TOTAL Fluidmatic DVI MV 1L - Gear oil
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TOTAL Fluidmatic DVI MV 1L
Gear oil - synthetic, for automatic transmissions, primarily for passenger cars, VW, Škoda, Seat, Audi transmission oil standards VW G 052 990, VW G 055 005 and VW G 060 162, Mercedes-Benz transmission oil standards MB 236.15, BMW transmission oil standards BMW LT 71141, Ford transmission oil standards Ford Mercon LV and Ford WSS-M2C938-A, general automatic transmission standards Dexron VI, ZF LifeguardFluid 6 and ZF LifeguardFluid 8, package volume 1L - 259 Kč/1 l
New arrival 259,-
259 Kč/l
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Order Code: AUPR133353
TOTAL Fluidmatic CVT MV 1L - Gear oil
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TOTAL Fluidmatic CVT MV 1L
Gear oil - synthetic, primarily for passenger cars, gear oil standards VW, Škoda, Seat, Audi VW G 052 180, pack volume 1L - 259 Kč/1 l
New arrival 259,-
259 Kč/l
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Order Code: AUPR133354
Alza Days Motorcycle Gear Oils Gear Oils PP80 Gear Oils PP80 PP90 Gear Oils PP90 Automatic Transmission Fluids (ATF) Automatic Transmission Mazací plány
 

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