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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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209 Products (Viewing: 1 - 60 of 209)

1
234
Liqui Moly Engine Flush Plus

Liqui Moly Engine Flush Plus

300ml - SKU 8374

Opie Price
£9.95
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Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

250ml

Opie Price
£6.95
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Millers Oils Diesel Power ECOMAX Fuel Treatment Multishot

Millers Oils Diesel Power ECOMAX Fuel Treatment Multishot

500ml

RRP £15.95
£14.95
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Liqui Moly Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£12.95
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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
£13.99
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Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

500ml

RRP £17.95
£16.99
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Liqui Moly Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£6.95
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Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

250ml

Opie Price
£12.95
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Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£15.95
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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
£17.95
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Liqui Moly Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£24.95
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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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Silkolene PRO BOOST Octane Improver (Fuchs)

Silkolene PRO BOOST Octane Improver (Fuchs)

1 Litre

RRP £30.95
£26.95
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Price Beater
Millers Oils EPP Engine Flush Fully Synthetic Engine Oil Treatment

Millers Oils EPP Engine Flush Fully Synthetic Engine Oil Treatment

400ml

RRP £12.00
£9.95
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Liqui Moly Motor Oil Saver

Liqui Moly Motor Oil Saver

300ml - SKU 1802

Opie Price
£11.95
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Amsoil Break-In Oil SAE 30

Amsoil Break-In Oil SAE 30

1 US Quart

Opie Price
£14.95
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Millers Oils Diesel Power ECOMAX One Shot Boost

Millers Oils Diesel Power ECOMAX One Shot Boost

250ml

Opie Price
£7.99
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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
Classic Etha-Guard Plus Ethanol Stabiliser Petrol Additive

Classic Etha-Guard Plus Ethanol Stabiliser Petrol Additive

250ml

Opie Price
£17.95
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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 Octane Booster

Liqui Moly Octane Booster

200ml - SKU 21616

Opie Price
£12.95
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Liqui Moly Radiator Cleaner

Liqui Moly Radiator Cleaner

300ml - SKU 1804

Opie Price
£6.95
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Silkolene PRO CCA Ultra Cooling System Corrosion Inhibitor

Silkolene PRO CCA Ultra Cooling System Corrosion Inhibitor

1 Litre

RRP £41.95
£32.95
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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 Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

Opie Price
£9.95
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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
£18.95
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Wynns Diesel Turbo Cleaner (31563B)

Wynns Diesel Turbo Cleaner (31563B)

325ml

Opie Price
£13.99
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Millers Oils Stop Leak Engine and Gear Oil Treatment

Millers Oils Stop Leak Engine and Gear Oil Treatment

250ml

Opie Price
£5.95
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Price Beater
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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Price Beater
Liqui Moly Oil Additive

Liqui Moly Oil Additive

300ml - SKU 2591

Opie Price
£8.95
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Liqui Moly Mtx Carburetor + Valve Cleaner

Liqui Moly Mtx Carburetor + Valve Cleaner

300ml - SKU 1818

Opie Price
£11.95
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Liqui Moly Oil Smoke Stop

Liqui Moly Oil Smoke Stop

300ml - SKU 8901

Opie Price
£7.99
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Liqui Moly Radiator Stop Leak

Liqui Moly Radiator Stop Leak

Opie Price
£6.95
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Liqui Moly Injection Cleaner

Liqui Moly Injection Cleaner

300ml - SKU 1803

Opie Price
£11.95
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VP Racing Madditive Diesel All-In-One

VP Racing Madditive Diesel All-In-One

1893ml

Opie Price
£32.95
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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

Opie Price
£16.99
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Price Beater
Amsoil DOMINATOR Octane Boost

Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
£13.99
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RED LINE Alcohol Fuel Lubricant

RED LINE Alcohol Fuel Lubricant

355ml Bottle

Opie Price
£22.99
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Valvoline Engine Oil System Cleaner

Valvoline Engine Oil System Cleaner

300ml

RRP £9.07
£8.95
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Price Beater
Silkolene PRO FST Fuel System Treatment For Petrol Engines

Silkolene PRO FST Fuel System Treatment For Petrol Engines

1 Litre

RRP £20.95
£18.95
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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
£16.99
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Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

500ml

Opie Price
£18.95
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Comma Diesel Magic Fuel Additive & Injector Cleaner

Comma Diesel Magic Fuel Additive & Injector Cleaner

400ml

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
£31.99
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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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Wynns Air Intake, Carburettor & Throttle Valve Cleaner (54179)

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

500ml Aerosol

Opie Price
£6.95
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Wynns Diesel EGR Cleaner

Wynns Diesel EGR Cleaner

Opie Price
£11.50
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Liqui Moly DPF / GPF Cleaner

Liqui Moly DPF / GPF Cleaner

Opie Price
£19.99
Add To Basket
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Millers Oils EPP Petrol System Clean & Protect Fuel Treatment

Millers Oils EPP Petrol System Clean & Protect Fuel Treatment

400ml

Opie Price
£12.00
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Liqui Moly Fuel System Treatment

Liqui Moly Fuel System Treatment

300ml - SKU 8365

Opie Price
£9.95
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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
£8.95
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Wynns Super Charge (74944)

Wynns Super Charge (74944)

325ml

Opie Price
£12.95
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Cataclean Diesel Fuel and Exhaust System Cleaner - 500ml Bottle (CAT002)

Cataclean Diesel Fuel and Exhaust System Cleaner - 500ml Bottle (CAT002)

500ml Bottle

Opie Price
£20.50
Add To Basket
Price Beater
Wynns Crystal Clean And Protect

Wynns Crystal Clean And Protect

Opie Price
£6.50
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
Add To Basket
Price Beater
Millers Oils EPP Diesel Injector Cleaner

Millers Oils EPP Diesel Injector Cleaner

400ml

RRP £25.00
£21.95
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Millers Oils EPP Diesel Filter Primer

Millers Oils EPP Diesel Filter Primer

500ml

RRP £10.00
£9.95
Add To Basket
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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
£14.95
Add To Basket
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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
£11.95
Add To Basket
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Wynns Total Action Diesel Cleaner (35964A)

Wynns Total Action Diesel Cleaner (35964A)

325ml

Opie Price
£14.50
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