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957 Engine Interior Cleaner
957 Engine Interior Cleaner - 1
957 Engine Interior Cleaner - 2
957 Engine Interior Cleaner - 3
957 Engine Interior Cleaner - 4

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957 Engine Interior Cleaner

TÜV-approved, solvent-free cleaner based on a high-quality, low-viscosity oil with high-performance cleaning agents. The cleaner protects the new engine oil against contamination from used oil residues.

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Available in 1 version

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Exclusively for trade customers

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Exclusively for trade customers

Register now and access more than 400 products

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Prices for customers after login


  • Free of VOCs and volatile solvents

  • Contains low-viscosity detergents to deliver outstanding cleaning results

  • Removes oil sludge deposits from the engine oil system

  • Protects the engine from being damaged as a result of blocked oil channels and bore holes

  • Contains additives to lubricate components during the cleaning process

  • Does not contain any chlorine, phosphates, nitrates or heavy metals

  • Can be disposed of with the used oil

  • Application area

  • In case of oil sludge deposits

  • In case of a loss of compression from the piston rings

  • In the case of hydraulic valve lifters knocking

  • When changing oil to ensure that the new engine oil is not contaminated by any residues of used oil

  • Instructions

    Add cleaner to the engine oil prior to every oil change. Adhere to the minimum oil level. Allow the engine to run at idle speed for a maximum of 20 minutes with the vehicle at a standstill. Then change the oil and filter immediately afterwards.


    200 ml: Sufficient for up to 4 litres of engine oil.
    400 ml: Sufficient for up to 6 litres of engine oil.
    950 ml: Sufficient for up to 15 litres of engine oil.


  • Caution! Risk of engine damage in higher dilutions.

  • Not suitable for use in motorcycles with wet clutches.