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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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208 Products (Viewing: 1 - 60 of 208)

1
234
Millers Oils Diesel Power ECOMAX Fuel Treatment Multishot

Millers Oils Diesel Power ECOMAX Fuel Treatment Multishot

500ml

RRP £15.95
£12.95
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Price Beater
Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

250ml

RRP £6.95
£5.95
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Price Beater
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

250ml

RRP £12.95
£10.99
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Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment

Millers Oils VSPe Power Plus One Shot (Ethanol / Lead / Octane) Fuel Treatment

250ml

Opie Price
£11.95
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Liqui Moly Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£5.95
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Liqui Moly Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£20.95
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Liqui Moly Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£9.95
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Liqui Moly Motor Oil Saver

Liqui Moly Motor Oil Saver

300ml - SKU 1802

Opie Price
£8.95
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Price Beater
Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster

Millers Oils CVL Extra Competition Valve Lubricant - High Octane Booster

500ml

RRP £17.95
£13.99
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Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£12.95
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Price Beater
Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

500ml

RRP £17.95
£15.95
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Price Beater
Millers Oils VSPe Power Plus Multi-Shot (Ethanol / Lead / Octane) Fuel Treatment

Millers Oils VSPe Power Plus Multi-Shot (Ethanol / Lead / Octane) Fuel Treatment

500ml

RRP £37.96
£36.95
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Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive

Classic Valvemaster PLUS 3-in-1 Lead Replacement Additive

250ml (treats 250 litres)

Opie Price
£14.95
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Liqui Moly Engine Flush Plus

Liqui Moly Engine Flush Plus

300ml - SKU 8374

Opie Price
£6.95
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Liqui Moly Radiator Stop Leak

Liqui Moly Radiator Stop Leak

Opie Price
£5.95
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Millers Oils Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £9.95
£8.95
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Price Beater
Silkolene PRO CCA Ultra Cooling System Corrosion Inhibitor

Silkolene PRO CCA Ultra Cooling System Corrosion Inhibitor

1 Litre

RRP £41.95
£31.99
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Price Beater
Comma Engine Flush Oil Additive for Petrol & Diesel Engines

Comma Engine Flush Oil Additive for Petrol & Diesel Engines

400ml

Opie Price
£4.99
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CE-LIT Rapid Radiator Leak Sealant - 0.3L (977)

CE-LIT Rapid Radiator Leak Sealant - 0.3L (977)

300ml

Opie Price
£6.50
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Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based (51265)

Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based (51265)

425ml

Opie Price
£8.50
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VP Racing Octanium Octane Improver

VP Racing Octanium Octane Improver

1 Quart (946ml)

RRP £25.00
£24.95
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Price Beater
Liqui Moly DPF / GPF Cleaner

Liqui Moly DPF / GPF Cleaner

Opie Price
£18.95
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Price Beater
Liqui Moly Fuel System Treatment

Liqui Moly Fuel System Treatment

300ml - SKU 8365

Opie Price
£6.95
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Liqui Moly DEF Anti Crystal Additive Concentrate

Liqui Moly DEF Anti Crystal Additive Concentrate

250ml - SKU 21799

Opie Price
£8.95
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Liqui Moly Diesel Particulate Filter Protector

Liqui Moly Diesel Particulate Filter Protector

250ml - SKU 7180

Opie Price
£5.95
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Millers Oils Stop Leak Engine and Gear Oil Treatment

Millers Oils Stop Leak Engine and Gear Oil Treatment

250ml

RRP £5.95
£4.99
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Price Beater
Silkolene PRO BOOST Octane Improver (Fuchs)

Silkolene PRO BOOST Octane Improver (Fuchs)

1 Litre

RRP £30.95
£25.99
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Price Beater
Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate

Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate

250ml

RRP £17.95
£15.95
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Price Beater
Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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Price Beater
VP Racing Madditive Fuel System Cleaner

VP Racing Madditive Fuel System Cleaner

16oz (473ml) Bottle

Opie Price
£17.95
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Price Beater
Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

250ml

Opie Price
£8.95
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Price Beater
Valvoline Engine Oil System Cleaner

Valvoline Engine Oil System Cleaner

300ml

Opie Price
£10.99
Add To Basket
Price Beater
Millers Oils Petrol Power ECOMAX Fuel Treatment - One Shot Boost

Millers Oils Petrol Power ECOMAX Fuel Treatment - One Shot Boost

250ml

RRP £8.95
£7.99
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Amsoil Performance Improver Gasoline Additive

Amsoil Performance Improver Gasoline Additive

12oz Bottle

Opie Price
£18.95
Add To Basket
Price Beater
Comma Petrol Magic Fuel Additive & Injector Cleaner

Comma Petrol Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£6.95
Add To Basket
Price Beater
Millers Oils Driveline Flushing Oil

Millers Oils Driveline Flushing Oil

500ml

RRP £7.96
£6.95
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Classic Etha-Guard Plus Ethanol Stabiliser Petrol Additive

Classic Etha-Guard Plus Ethanol Stabiliser Petrol Additive

250ml

Opie Price
£16.99
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Revive Diesel Turbo Cleaner Fluid - 750ml Refill (1449-9001)

Revive Diesel Turbo Cleaner Fluid - 750ml Refill (1449-9001)

750 ml

Opie Price
£41.50
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Liqui Moly Oil Additive

Liqui Moly Oil Additive

300ml - SKU 2591

Opie Price
£5.95
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Price Beater
Millers Oils EPP Diesel System Clean & Protect Fuel Treatment

Millers Oils EPP Diesel System Clean & Protect Fuel Treatment

400ml

RRP £12.00
£9.95
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Price Beater
Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
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Price Beater
Liqui Moly Octane Booster

Liqui Moly Octane Booster

200ml - SKU 21616

Opie Price
£9.95
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Liqui Moly Radiator Cleaner

Liqui Moly Radiator Cleaner

300ml - SKU 1804

Opie Price
£4.99
Add To Basket
Price Beater
Liqui Moly Speed Tec Gasoline Petrol Fuel Additive

Liqui Moly Speed Tec Gasoline Petrol Fuel Additive

250ml - SKU 3720

Opie Price
£10.99
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Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Opie Price
£12.50
Add To Basket
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Liqui Moly Oil Smoke Stop

Liqui Moly Oil Smoke Stop

300ml - SKU 8901

Opie Price
£6.95
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Liqui Moly Pro-Line Intake System Cleaner Diesel

Liqui Moly Pro-Line Intake System Cleaner Diesel

400ml Aerosol - SKU 5168

Opie Price
£27.95
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Millers Oils EPP Engine Flush Fully Synthetic Engine Oil Treatment

Millers Oils EPP Engine Flush Fully Synthetic Engine Oil Treatment

400ml

RRP £12.00
£8.95
Add To Basket
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Liqui Moly Mtx Carburetor + Valve Cleaner

Liqui Moly Mtx Carburetor + Valve Cleaner

300ml - SKU 1818

Opie Price
£8.95
Add To Basket
Price Beater
Liqui Moly Engine Flush

Liqui Moly Engine Flush

300ml

Opie Price
£7.99
Add To Basket
Price Beater
Motul Fuel System Clean Auto - Car & Boat Fuel System Cleaner Additive

Motul Fuel System Clean Auto - Car & Boat Fuel System Cleaner Additive

300ml

RRP £14.95
£12.95
Add To Basket
Price Beater
KALIMEX JLM Diesel Injector Cleaner - 250ml (J02320)

KALIMEX JLM Diesel Injector Cleaner - 250ml (J02320)

250ml

Opie Price
£9.50
Add To Basket
Price Beater
Amsoil Diesel Cetane Boost

Amsoil Diesel Cetane Boost

16oz Bottle (473ml)

Opie Price
£16.99
Add To Basket
Price Beater
KALIMEX JLM BorTec Friction Reduction Engine Oil Additive - 250ml (J06050)

KALIMEX JLM BorTec Friction Reduction Engine Oil Additive - 250ml (J06050)

250ml

Opie Price
£18.50
Add To Basket
Price Beater
Lucas Oil Heavy Duty Oil Stabiliser

Lucas Oil Heavy Duty Oil Stabiliser

Opie Price
£10.99
Add To Basket
Price Beater
STP Oil Treatment for Petrol Engines - 450ml (60450EN06)

STP Oil Treatment for Petrol Engines - 450ml (60450EN06)

450ml

Opie Price
£7.50
Add To Basket
Price Beater
Valvoline Cooling System Cleaner

Valvoline Cooling System Cleaner

250ml

Opie Price
£6.95
Add To Basket
Price Beater
Wynns Diesel EGR Cleaner

Wynns Diesel EGR Cleaner

Opie Price
£10.99
Add To Basket
Price Beater
Wynns Air Intake, Carburettor & Throttle Valve Cleaner (54179)

Wynns Air Intake, Carburettor & Throttle Valve Cleaner (54179)

500ml Aerosol

Opie Price
£6.95
Add To Basket
Price Beater
Comma Diesel D-Tox Fuel System & Injector Cleaner

Comma Diesel D-Tox Fuel System & Injector Cleaner

400ml

Opie Price
£12.95
Add To Basket
Price Beater
1
234
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.
Free UK delivery £80+ (geographic restrictions apply)
60 Day Returns
Free Expert Advice
No Leak Guarantee
01209 202944