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Free UK delivery £80+ (geographic restrictions apply)
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01209 202944

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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209 Products (Viewing: 1 - 60 of 209)

1
234
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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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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Liqui Moly Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£9.95
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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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Liqui Moly Motor Oil Saver

Liqui Moly Motor Oil Saver

300ml - SKU 1802

Opie Price
£8.95
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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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Millers Oils Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £9.95
£8.95
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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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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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Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£12.95
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Liqui Moly Radiator Stop Leak

Liqui Moly Radiator Stop Leak

Opie Price
£5.95
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Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

500ml

RRP £17.95
£15.95
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Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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Amsoil Performance Improver Gasoline Additive

Amsoil Performance Improver Gasoline Additive

12oz Bottle

Opie Price
£18.95
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Amsoil Diesel Cetane Boost

Amsoil Diesel Cetane Boost

16oz Bottle (473ml)

Opie Price
£16.99
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Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
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Liqui Moly Injection Cleaner

Liqui Moly Injection Cleaner

300ml - SKU 1803

Opie Price
£8.95
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Comma Diesel D-Tox Fuel System & Injector Cleaner

Comma Diesel D-Tox Fuel System & Injector Cleaner

400ml

Opie Price
£12.95
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Silkolene PRO BOOST Octane Improver (Fuchs)

Silkolene PRO BOOST Octane Improver (Fuchs)

1 Litre

RRP £30.95
£25.99
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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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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 Tank Safe Petrol Additive Fuel System Protection

Millers Oils Tank Safe Petrol Additive Fuel System Protection

250ml Bottle

Opie Price
£15.95
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VP Racing Madditive Fuel System Cleaner

VP Racing Madditive Fuel System Cleaner

16oz (473ml) Bottle

Opie Price
£17.95
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STP Diesel Treatment to Restore Lost Power and Performance - 200ml (54200EN)

STP Diesel Treatment to Restore Lost Power and Performance - 200ml (54200EN)

200ml

Opie Price
£4.99
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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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Liqui Moly DPF / GPF Cleaner

Liqui Moly DPF / GPF Cleaner

Opie Price
£18.95
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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
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Millers Oils EPP Petrol Injector Cleaner

Millers Oils EPP Petrol Injector Cleaner

400ml

RRP £25.00
£16.99
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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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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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Liqui Moly Engine Flush Plus

Liqui Moly Engine Flush Plus

300ml - SKU 8374

Opie Price
£6.95
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Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Opie Price
£11.95
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Liqui Moly Power Steering Oil Leak Stop

Liqui Moly Power Steering Oil Leak Stop

35ml - SKU 1099

Opie Price
£5.95
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Liqui Moly Engine Flush

Liqui Moly Engine Flush

300ml

Opie Price
£7.99
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Wynns CV Cooling System Flush (W45990)

Wynns CV Cooling System Flush (W45990)

1 Litre

Opie Price
£25.99
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Millers Oils EPP Diesel Injector Cleaner

Millers Oils EPP Diesel Injector Cleaner

400ml

RRP £25.00
£21.95
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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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Millers Oils EPP DPF Turbo & Exhaust Cleaner

Millers Oils EPP DPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
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Price Beater
Millers Oils EPP Petrol System Clean & Protect Fuel Treatment

Millers Oils EPP Petrol System Clean & Protect Fuel Treatment

400ml

Opie Price
£14.95
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Liqui Moly Super Diesel Additive

Liqui Moly Super Diesel Additive

250ml - SKU 1806

Opie Price
£7.99
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Liqui Moly Mtx Carburetor + Valve Cleaner

Liqui Moly Mtx Carburetor + Valve Cleaner

300ml - SKU 1818

Opie Price
£8.95
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Liqui Moly Radiator Cleaner

Liqui Moly Radiator Cleaner

300ml - SKU 1804

Opie Price
£4.99
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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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Amsoil DOMINATOR Octane Boost

Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
£12.95
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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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Millers Oils Zeroflo Two (Anti-Wax Diesel Additive)

Millers Oils Zeroflo Two (Anti-Wax Diesel Additive)

1 Litre

Opie Price
£22.99
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Wynns Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up (12264)

Wynns Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up (12264)

325ml

Opie Price
£9.50
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Wynns Super Charge Oil Treatment for Petrol & Diesel Engines

Wynns Super Charge Oil Treatment for Petrol & Diesel Engines

Opie Price
£7.99
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Comma X-Flow Flush Out Mineral Engine Oil Flush

Comma X-Flow Flush Out Mineral Engine Oil Flush

5 Litres

Opie Price
£27.95
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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
Add To Basket
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Valvoline Engine Oil System Cleaner

Valvoline Engine Oil System Cleaner

300ml

Opie Price
£10.99
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Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate

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

250ml

RRP £17.95
£15.95
Add To Basket
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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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Millers Oils Diesel Power ECOMAX One Shot Boost

Millers Oils Diesel Power ECOMAX One Shot Boost

250ml

Opie Price
£6.95
Add To Basket
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RED LINE Fuel System Additive - Water & Antifreeze / Coolant Remover - Concentrate

RED LINE Fuel System Additive - Water & Antifreeze / Coolant Remover - Concentrate

355ml bottle

Opie Price
£16.99
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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
Add To Basket
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KALIMEX JLM Diesel DPF Cleaning and Flush Fluid Pack - 2 Stage Solution (J02230)

KALIMEX JLM Diesel DPF Cleaning and Flush Fluid Pack - 2 Stage Solution (J02230)

Pack

Opie Price
£59.50
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Lucas Oil Heavy Duty Oil Stabiliser

Lucas Oil Heavy Duty Oil Stabiliser

Opie Price
£10.50
Add To Basket
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Lucas Oil Safe Guard Ethanol Fuel Conditioner With Stabilisers - 473ml (40576A)

Lucas Oil Safe Guard Ethanol Fuel Conditioner With Stabilisers - 473ml (40576A)

473ml

Opie Price
£13.99
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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