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Car Additives & Flushes

Opie Oils stocks a wide range of engine cleaner, engine flushes, fuel treatments and fuel additives to help keep your fuel system running at peak efficiency, octane boosters for increased performance on road or track plus lead replacement products for older cars.

Please note that we are unable to send fuel treatments to destinations outside the UK.

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204 Products (Viewing: 1 - 61 of 204)

Millers Oils Diesel Power ECOMAX Fuel Treatment Multishot
RRP £16.99
£11.95
Price Beater
 
Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment
Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive
Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment
Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster
Liqui Moly Engine Flush Plus
Millers Oils VSPe Power Plus Multi-Shot (Ethanol / Lead / Octane) Fuel Treatment
Classic Valvemaster Lead Replacement Additive
RED LINE WaterWetter Super Coolant Additive
VP Racing Madditive Octanium

1 Quart (946ml)

Opie Price
£22.99
Price Beater
Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot
Elke PAG ISO 46 Compressor Oil For Automotive Compressor Systems R134a
Valvoline Cooling System Cleaner
Comma X-Flow Flush Out Mineral Engine Oil Flush
RED LINE SI-1 Fuel System Cleaner
Comma Diesel Magic Fuel Additive & Injector Cleaner
Millers Oils Stop Leak Engine and Gear Oil Treatment
Millers Oils Petrol Injector Cleaner
Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based
Wynns Radiator Flush
VP Racing Madditive Octanium Unleaded
Castrol Engine Shampoo (Pre-Oil Change Treatment)
Wynns Crystal Clean And Protect
Opie Price
£6.95
Price Beater
Isopon Leak Stop For Petrol Tanks Radiators & Sumps
Elke PAG ISO 46 Compressor Oil With Dye For Automotive Compressor Systems R134a
Cataclean The Original - Petrol Fuel And Exhaust System Cleaner
Wynns Injector Decarbonizer
Liqui Moly Motor Oil Saver
Power Maxed Concentrated Radiator Flush Treatment
Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator
Silkolene PRO BOOST Octane Improver (Fuchs)
Opie Price
£22.99
Price Beater
Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate
Comma Engine Flush Oil Additive for Petrol & Diesel Engines
Wynn's Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up
Wynns Total Action Diesel Cleaner
Wynns Hydraulic Valve Lifter Concentrate
Power Maxed Coolant Seal - Cooling System Leak Repair
Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars
Wynns Cooling System Flush
STP Oil Treatment for Petrol Engines (60450EN06)
Lucas Oil - Engine Oil Stop Leak
Opie Price
£32.95
Price Beater
Comma Diesel D-Tox Fuel System & Injector Cleaner
Silkolene PRO CCA Ultra Cooling System Corrosion Inhibitor
Motul MoCool Car & Motorcycle Coolant Additive - Concentrate
Silkolene PRO FST Fuel System Treatment For Petrol Engines
RED LINE 85 PLUS Diesel Enhancer
Valvoline Engine Oil System Cleaner
Valvoline VPS HD Diesel System Complete V1
VP Racing Madditive Fuel System Cleaner

16oz (473ml) Bottle

RRP £15.00
£13.99
Price Beater
Millers Oils Tank Safe Petrol Additive Fuel System Protection
Millers Oils Diesel Injector Cleaner
Kalimex JLM Diesel Rapid Fuel System Clean
Revive Diesel Turbo Water Based Non Toxic Cleaner Kit
WYNNS Extreme Cooling System Degreaser
Wynns Petrol Total Action Treatment
Elke PAG ISO 100 Compressor Oil For Automotive Compressor Systems R134a
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon (no additives)
Lucas Oil Diesel EGR Turbo Cleaner
Kalimex JLM Petrol E10 Fuel Treatment
Kalimex JLM Engine Oil Flush