Unfortunately, this deal has expired 18 January 2023.
60° Expired
17 Posted 1 December 2022
STP GST62450EN06 Engine Flush for Petrol & Diesel Engines 450ml - £3.99 @ Amazon


About this deal
This deal is expired. Here are some options that might interest you:
Engine Flush
Application
For petrol & diesel engines
Allow the car’s engine to run until it reaches normal operating temperature
Turn engine off, then pour entire bottle into oil crankcase (treats 3-6L).
Start engine and run at fast idle for 15 minutes
Turn engine off and carefully drain oil whilst still hot
Replace oil filter and add appropriate oil that meets vehicle specification
For extra protection add a bottle of STP Oil Treatment
Engine Flush
Features & Benefits
Helps neutralise harmful engine acids
Removes harmful sludge and deposits
Restores engine performance and efficiency
Stops/prevents minor oil leaks
Compatible with single, multigrade mineral or synthetic oils
Should be used every oil change to maintain cleanliness and performance of all vital engine parts
Application
For petrol & diesel engines
Allow the car’s engine to run until it reaches normal operating temperature
Turn engine off, then pour entire bottle into oil crankcase (treats 3-6L).
Start engine and run at fast idle for 15 minutes
Turn engine off and carefully drain oil whilst still hot
Replace oil filter and add appropriate oil that meets vehicle specification
For extra protection add a bottle of STP Oil Treatment
Engine Flush
Features & Benefits
Helps neutralise harmful engine acids
Removes harmful sludge and deposits
Restores engine performance and efficiency
Stops/prevents minor oil leaks
Compatible with single, multigrade mineral or synthetic oils
Should be used every oil change to maintain cleanliness and performance of all vital engine parts

Community Updates
Edited by a community support team member, 1 December 2022
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