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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
 
Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment
RED LINE WaterWetter Super Coolant Additive
Millers Oils VSPe Power Plus Multi-Shot (Ethanol / Lead / Octane) Fuel Treatment
Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive
Liqui Moly Engine Flush Plus
Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster
Millers Oils Petrol Power ECOMAX Fuel Treatment
Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment
Millers Oils Diesel Injector Cleaner
Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator
Classic Valvemaster Lead Replacement Additive
RED LINE SI-1 Fuel System Cleaner
Castrol Engine Shampoo (Pre-Oil Change Treatment)
Millers Oils Petrol Injector Cleaner
VP Racing Madditive Octanium Unleaded
JLM Diesel Turbo Cleaner
Silkolene PRO BOOST Octane Improver (Fuchs)
RRP £22.88
£21.95
Price Beater
Silkolene PRO CCA Ultra Cooling System Corrosion Inhibitor
Lucas Oil Heavy Duty Oil Stabiliser
Opie Price
£9.50
Price Beater
Comma X-Flow Flush Out Mineral Engine Oil Flush
Millers Oils Diesel Power EcoMax One Shot Boost
Millers Oils Tank Safe Petrol Additive Fuel System Protection
Comma Diesel Magic Fuel Additive & Injector Cleaner
Kalimex JLM Oil Stop Smoke Treatment
Kalimex JLM Diesel Extreme Clean (J02360)
Wynns Crystal Clean And Protect
Opie Price
£6.95
Price Beater
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon (no additives)
Redex Petrol Injector Cleaner (RADD2101A)
Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based
Valvoline Petrol System Cleaner V1
RED LINE 85 PLUS Diesel Enhancer
Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars
Wynns Hydraulic Valve Lifter Concentrate
JLM Diesel Injector Cleaner
Wynns Specialist E10 Protector Multi-Shot Ethanol Protection
Wynns Diesel Particulate Filter DPF Regenerator
Silkolene PRO FST Fuel System Treatment For Petrol Engines
RED LINE Fuel System Additive - Water & Antifreeze / Coolant Remover - Concentrate
Valvoline Engine Oil Treatment ML V1
Motul Diesel System Clean Auto - Injector & Fuel System Cleaner
Wynn's Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up
Wynns Injector Cleaner For Diesel Engines (51668A)
Wynns Injector Cleaner For Petrol Engines (55964)
Millers Oils Stop Leak Engine and Gear Oil Treatment
Wynns Diesel Particulate Filter Cleaner
Wynns Xtreme Petrol System Clean (29764A)
Kalimex JLM Engine Oil Flush
Power Maxed Coolant Seal - Cooling System Leak Repair
Wynns CV Cooling System Flush 1L
K-Seal Heavy Duty Multi-Purpose 1-Step Permanent Coolant Leak Repair Fluid
K-Seal Multi-Purpose Pour and Go Coolant Repair Leak
K-Seal Easy-To-Use Ultimate Head Gasket Repair
Elke PAG ISO 100 Compressor Oil For Automotive Compressor Systems R134a
Elke PAG ISO 46 Compressor Oil For Automotive Compressor Systems R134a
Elke PAG ISO 46 Compressor Oil With Dye For Automotive Compressor Systems R134a
Cataclean The Original - Petrol Fuel And Exhaust System Cleaner
Cataclean The Original - Diesel Fuel and Exhaust System Cleaner
Kalimex JLM Diesel Rapid Fuel System Clean
Kalimex JLM Petrol Extreme Clean Fuel Additive