Top 3 STP Products

Discover the UK's favourite stp products, see how shoppers rate them, and learn where you can buy them across 15 supermarkets.

Complete Fuel System Cleaner Petrol

400ml

Where to buy

£10.12

£11.99

GST53200EN Petrol Injector Cleaner

200ml

Where to buy

GST59200EN Diesel Injector Cleaner Packaging label may vary

200ml

Where to buy

£5.49

£6.25

Diesel Cleaners