Engine & Fuel Systems

For over 60 years – and for more miles than anyone can count – STP® has been one of the most trusted names in automotive care. As part of your regular basic maintenance, using STP® products can help your engine run better longer.
Petrol Injector Cleaner
View product
Engine & Fuel Systems

Petrol Injector Cleaner

Diesel Injector Cleaner
View product
Engine & Fuel Systems

Diesel Injector Cleaner

Oil Treatment for Petrol Engines
View product
Engine & Fuel Systems

Oil Treatment for Petrol Engines

Oil Treatment for Diesel Engines
View product
Engine & Fuel Systems

Oil Treatment for Diesel Engines

Emissions Reducer – Petrol
View product
Engine & Fuel Systems

Emissions Reducer – Petrol

Emissions Reducer – Diesel
View product
Engine & Fuel Systems

Emissions Reducer – Diesel

Complete Fuel System Cleaner – Petrol
View product
Engine & Fuel Systems

Complete Fuel System Cleaner – Petrol

Complete Fuel System Cleaner – Diesel
View product
Engine & Fuel Systems

Complete Fuel System Cleaner – Diesel

Diesel Particulate Filter (DPF) Cleaner
View product
Engine & Fuel Systems

Diesel Particulate Filter (DPF) Cleaner

Ultra 5-in-1 Diesel System Cleaner
View product
Engine & Fuel Systems

Ultra 5-in-1 Diesel System Cleaner

Power Booster
View product
Engine & Fuel Systems

Power Booster

Diesel Treatment
View product
Engine & Fuel Systems

Diesel Treatment

Petrol Treatment
View product
Engine & Fuel Systems

Petrol Treatment

High Mileage Diesel Injector Cleaner
View product
Engine & Fuel Systems

High Mileage Diesel Injector Cleaner

Engine Flush
View product
Engine & Fuel Systems

Engine Flush

Ultra 5-in-1 Petrol System Cleaner
View product
Engine & Fuel Systems

Ultra 5-in-1 Petrol System Cleaner

Ceramic Oil Treatment
View product
Engine & Fuel Systems

Ceramic Oil Treatment

Engine Stop Leak
View product
Engine & Fuel Systems

Engine Stop Leak

High Mileage Petrol Injector Cleaner
View product
Engine & Fuel Systems

High Mileage Petrol Injector Cleaner

Country Selector

Choose your country