Wynn's Engine Oil Flush 425 ml (Pack of 1)

£6.29
In Stock
amazon.co.uk (as of 22/06/2026 11:12 UTC) - Details
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Wynn's engine oil flush for internal engine cleaning

Engine flush for cleaning internal oil systems before an oil change, helping remove sludge, varnish and other deposits.

This 425 ml engine flush is used before an oil change to help clean the inside of the engine and other oil-lubricated systems. It is formulated to remove harmful deposits such as sludge, varnish and contaminants that can build up over time and affect how parts move and how oil flows.

The cleaner is also described as helping free sticking internal components, quieten noisy hydraulic valve lifters and neutralise acids formed during oil degradation. That makes it a useful maintenance product when the oil system needs a proper clean-out rather than just fresh oil.

What it is suitable for

  • Internal cleaning of engines, hydraulic systems, gearboxes and differentials
  • Use before an oil change when deposits have built up in the oil system
  • Vehicles and machinery using mineral, synthetic, single grade or multigrade oils
  • Regular and low SAPS applications, according to the listing

Points to check before buying

  • Follow the product label and your vehicle service guidance before use
  • Make sure an engine flush is appropriate for your maintenance plan
  • Check the oil type and application requirements for your vehicle or equipment

For shoppers looking for a straightforward internal cleaner rather than a general oil additive, this Wynn's flush is the kind of product used as part of a proper service rather than as an everyday top-up.