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STP Engine Flush 450ml
Even quality motor oils can form acids due to combustion by-products, high temperatures and oxidation. Grit and sludge-forming acid residue can remain in the crankcase even after draining the engine oil and replacing the filter. This contaminated residue can affect the lubrication life and engine protection of the new oil.
Adding STP engine flush directly to the used motor oil prior to draining helps neutralise engine acids while it works to loosen and remove sludge, varnish and gum deposits that ordinary draining leaves behind. STP engine flush contains an anti-wear additives to help protect engine surfaces during cleaning.
To properly clean and protect your petrol or diesel engine:
Use STP Engine Flush with every oil change. Compatible with single multi-grade mineral or synthetic oils
* Please Note: Free delivery is not available for orders with large exhaust parts and radiators. Free delivery is not available for orders to N. Ireland, International countries and some out of area postcodes in the UK. A surcharge may be applied for deliveries to these areas A full list of out of area postcodes in the UK and corresponding delivery times can be found here. Online prices may differ to store prices. To ensure you pay the online price you must use our Click & Collect feature.
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