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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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210 Products (Viewing: 1 - 60 of 210)

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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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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Liqui Moly Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£5.95
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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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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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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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Liqui Moly E10 Additive - Fuel Enhancer
On Sale

Liqui Moly E10 Additive - Fuel Enhancer

150ml - SKU 21421 - SALE

Was £7.99
£5.44
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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 Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£20.95
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Amsoil Diesel Cetane Boost

Amsoil Diesel Cetane Boost

16oz Bottle (473ml)

Opie Price
£16.99
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Amsoil Performance Improver Gasoline Additive

Amsoil Performance Improver Gasoline Additive

12oz Bottle

Opie Price
£18.95
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Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

500ml

RRP £19.00
£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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Millers Oils EPS Ethanol Protection System Fuel Treatment Additive - One Shot
Clearance

Millers Oils EPS Ethanol Protection System Fuel Treatment Additive - One Shot

Was £69.95
£24.95
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Liqui Moly Pro-Line Injector & Glow Plug Dismantling Aid

Liqui Moly Pro-Line Injector & Glow Plug Dismantling Aid

400ml Aerosol - SKU 3379

Opie Price
£10.99
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Liqui Moly Pro-Line Turbocharger Additive for Initial Fill

Liqui Moly Pro-Line Turbocharger Additive for Initial Fill

20g - SKU 21651

Opie Price
£7.99
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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 Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£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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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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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 Radiator Cleaner

Liqui Moly Radiator Cleaner

300ml - SKU 1804

Opie Price
£4.99
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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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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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Amsoil DOMINATOR Octane Boost

Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
£12.95
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Comma Diesel Magic Fuel Additive & Injector Cleaner

Comma Diesel Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£6.95
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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 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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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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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
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
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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Price Beater
VP Racing Octanium Octane Improver

VP Racing Octanium Octane Improver

1 Quart (946ml)

RRP £25.00
£24.95
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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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Valvoline Cooling System Cleaner

Valvoline Cooling System Cleaner

250ml

Opie Price
£6.95
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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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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 Engine Flush

Liqui Moly Engine Flush

300ml

Opie Price
£7.99
Add To Basket
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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Price Beater
Liqui Moly Injection Cleaner

Liqui Moly Injection Cleaner

300ml - SKU 1803

Opie Price
£8.95
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Liqui Moly Super Diesel Additive

Liqui Moly Super Diesel Additive

250ml - SKU 1806

Opie Price
£7.99
Add To Basket
Price Beater
Liqui Moly Mtx Carburetor + Valve Cleaner

Liqui Moly Mtx Carburetor + Valve Cleaner

300ml - SKU 1818

Opie Price
£8.95
Add To Basket
Price Beater
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 Injector Cleaner

Millers Oils EPP Petrol Injector Cleaner

400ml

RRP £25.00
£16.99
Add To Basket
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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 Power Steering Oil Leak Stop

Liqui Moly Power Steering Oil Leak Stop

35ml - SKU 1099

Opie Price
£5.95
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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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Millers Oils Driveline Flushing Oil

Millers Oils Driveline Flushing Oil

500ml

RRP £7.96
£6.95
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Valvoline Engine Oil System Cleaner

Valvoline Engine Oil System Cleaner

300ml

Opie Price
£10.99
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

250ml

RRP £12.95
£10.99
Add To Basket
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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
Price Beater
Castrol Engine Shampoo (Pre-Oil Change Treatment)

Castrol Engine Shampoo (Pre-Oil Change Treatment)

300ml

Opie Price
£13.99
Add To Basket
Price Beater
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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Price Beater
Wynns Radiator Stop Leak (55864)

Wynns Radiator Stop Leak (55864)

325ml

Opie Price
£6.95
Add To Basket
Price Beater
CE-LIT Radiator Cement Sachets (0244A)

CE-LIT Radiator Cement Sachets (0244A)

Pack of 24

Opie Price
£21.95
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Price Beater
Wynns Radiator Flush (56064)

Wynns Radiator Flush (56064)

325ml

Opie Price
£6.50
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