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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)

Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive
 
Classic Valvemaster Lead Replacement Additive
Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment
Millers Oils Petrol Power ECOMAX Fuel Treatment
Liqui Moly Engine Flush Plus
Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster
Millers Oils Diesel Power EcoMax One Shot Boost
Millers Oils Diesel Injector Cleaner
Millers Oils Petrol Power ECOMAX Fuel Treatment - One Shot Boost
VP Racing Madditive Octanium

1 Quart (946ml)

Opie Price
£22.99
Price Beater
Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate
VP Racing Madditive Octanium Unleaded
WYNNS Engine Oil Stop Leak
Castrol Engine Shampoo (Pre-Oil Change Treatment)
Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator
Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment
RED LINE WaterWetter Super Coolant Additive
Wynns HPLS Transmission Treatment (+ Stop Leak Properties)
Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based
Valvoline Cooling System Cleaner
Liqui Moly Motor Oil Saver
Kalimex JLM Petrol Extreme Clean Fuel Additive
Wynns Crystal Clean And Protect
Opie Price
£6.95
Price Beater
Isopon Leak Stop For Petrol Tanks Radiators & Sumps
Revive Diesel Turbo Cleaner 750ml Refill
EXOPRO ENGINE FLUSHING OIL (U350)
Wynns Radiator Flush
Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars
HOLTS EGR & Carb Cleaner Aerosol
Wynns Hydraulic Valve Lifter Concentrate
K-Seal Multi-Purpose Pour and Go Coolant Repair Leak
Motul MoCool Car & Motorcycle Coolant Additive - Concentrate
RED LINE SI-1 Fuel System Cleaner
Silkolene PRO FST Fuel System Treatment For Petrol Engines
Silkolene PRO BOOST Octane Improver (Fuchs)
Opie Price
£22.99
Price Beater
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)
Millers Oils Petrol Injector Cleaner
Motul Diesel System Clean Auto - Injector & Fuel System Cleaner
Wynn's Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up
Comma Diesel Magic Fuel Additive & Injector Cleaner
Wynns Diesel Turbo Cleaner (31563B)
Comma Petrol Magic Fuel Additive & Injector Cleaner
Millers Oils Stop Leak Engine and Gear Oil Treatment
JLM Diesel Turbo Cleaner
JLM Diesel Injector Cleaner
JLM Petrol GDI Injector Cleaner
Millers Oils Tank Safe Petrol Additive Fuel System Protection
Ce-Lit Automotive Radiator Leak Repair Cement Sachets
JLM BorTec Friction Reduction Oil Additive
Comma X-Flow Flush Out Mineral Engine Oil Flush
Wynns Air Intake, Carburettor & Throttle Valve Cleaner
K-Seal Heavy Duty Multi-Purpose 1-Step Permanent Coolant Leak Repair Fluid
Elke PAG ISO 46 Compressor Oil For Automotive Compressor Systems R134a
Cataclean The Original - Petrol Fuel And Exhaust System Cleaner
Cataclean The Original - Diesel Fuel and Exhaust System Cleaner
Elke PAG ISO 46 Compressor Oil With Dye For Automotive Compressor Systems R134a
Kalimex JLM Petrol E10 Fuel Treatment
Kalimex JLM Engine Oil Flush
Kalimex JLM Oil Stop Smoke Treatment
Kalimex JLM Diesel Rapid Fuel System Clean