Forte Advanced Formula Engine Motor Oil Flush 400ml

£14.95
In Stock
amazon.co.uk (as of 22/06/2026 11:13 UTC) - Details
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Forte Advanced Formula engine oil flush for 400ml pre-service cleaning

An engine flush designed to help remove sludge, varnish and deposits before an oil change, while supporting cleaner oilways and internal engine parts.

This Forte engine flush is designed to be used before an oil change, where the aim is to help clear out built-up contamination from the crankcase and oil system. The formula is described as helping to neutralise crankcase acids and remove lacquer, varnish, sludge and other insoluble deposits.

What it is meant to do

  • Helps clean internal engine deposits before fresh oil goes in
  • Supports freer movement for sticking Variable Valve Timing systems, hydraulic valve lifters and piston rings
  • Helps keep oilways cleaner so oil can reach critical moving parts
  • Provides anti-wear protection during cleaning
  • Is described as helping stabilise cylinder compression and restore lost engine power

When it may be relevant

This type of product is usually considered when an engine has built up sludge or varnish over time, or when you want to give the lubrication system a cleaner start before refilling with new oil. It is not a substitute for correct servicing, and the vehicle maker’s guidance should always come first.

Points to check before buying

  • Make sure an oil flush is suitable for your engine and service plan
  • Follow the label instructions carefully before use
  • Use it as part of an oil change rather than as a standalone treatment
  • Check that the 400ml pack size suits the application on the product label