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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
RED LINE SI-1 Fuel System Cleaner

RED LINE SI-1 Fuel System Cleaner

443ml Bottle

Opie Price
£19.99
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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 DEF Anti Crystal Additive Concentrate

Liqui Moly DEF Anti Crystal Additive Concentrate

250ml - SKU 21799

Opie Price
£9.95
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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 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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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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RED LINE 85 PLUS Diesel Enhancer

RED LINE 85 PLUS Diesel Enhancer

355ml Bottle

Opie Price
£14.95
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Amsoil Performance Improver Gasoline Additive

Amsoil Performance Improver Gasoline Additive

12oz Bottle

Opie Price
£18.95
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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 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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Silkolene PRO BOOST Octane Improver (Fuchs)

Silkolene PRO BOOST Octane Improver (Fuchs)

1 Litre

RRP £30.95
£25.99
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Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

500ml

RRP £17.95
£15.95
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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 Oil Additive

Liqui Moly Oil Additive

300ml - SKU 2591

Opie Price
£5.95
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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 Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£5.95
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Liqui Moly Pro-Line Oil Loss Stop Oil Additive to Rejuvenate Seals

Liqui Moly Pro-Line Oil Loss Stop Oil Additive to Rejuvenate Seals

1 Litre - SKU 5182

Opie Price
£24.95
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Liqui Moly Injection Cleaner

Liqui Moly Injection Cleaner

300ml - SKU 1803

Opie Price
£8.95
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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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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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Wynns Hydraulic Valve Lifter Concentrate (76844)

Wynns Hydraulic Valve Lifter Concentrate (76844)

325ml

Opie Price
£13.50
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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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Holts Speedflush Cooling System Cleaner - 250ml (RK1R)

Holts Speedflush Cooling System Cleaner - 250ml (RK1R)

250ml

Opie Price
£4.50
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Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars (71851)

Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars (71851)

325ml

Opie Price
£10.50
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KALIMEX JLM Diesel Injector Cleaner - 250ml (J02320)

KALIMEX JLM Diesel Injector Cleaner - 250ml (J02320)

250ml

Opie Price
£9.50
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Lucas Oil Diesel EGR Turbo Cleaner - 500ml (41019A)

Lucas Oil Diesel EGR Turbo Cleaner - 500ml (41019A)

500ml Aerosol

Opie Price
£6.95
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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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Amsoil Break-In Oil SAE 30

Amsoil Break-In Oil SAE 30

1 US Quart

Opie Price
£12.95
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Amsoil DOMINATOR Octane Boost

Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
£12.95
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Wynns Xtreme Petrol System Clean (29764A)

Wynns Xtreme Petrol System Clean (29764A)

325ml

Opie Price
£10.50
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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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Comma Petrol Magic Fuel Additive & Injector Cleaner

Comma Petrol Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£5.95
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Wynns Catalytic Converter & Lambda Cleaner (24463)

Wynns Catalytic Converter & Lambda Cleaner (24463)

325ml

Opie Price
£12.50
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STP Complete Petrol Fuel System Cleaner - 400ml (50400EN)

STP Complete Petrol Fuel System Cleaner - 400ml (50400EN)

400ml

Opie Price
£10.99
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STP Smoke Treatment for Petrol Engines - 450ml (64450EN06)

STP Smoke Treatment for Petrol Engines - 450ml (64450EN06)

450ml

Opie Price
£6.95
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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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Valvoline VPS HD Diesel System Complete V1

Valvoline VPS HD Diesel System Complete V1

500ml

Opie Price
£23.95
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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 Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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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 Diesel Power ECOMAX One Shot Boost

Millers Oils Diesel Power ECOMAX One Shot Boost

250ml

Opie Price
£6.95
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Motul Fuel System Clean Auto - Car & Boat Fuel System Cleaner Additive

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

300ml

RRP £19.00
£12.95
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Price Beater
Wynns Crystal Clean And Protect

Wynns Crystal Clean And Protect

Opie Price
£6.95
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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 Motor Oil Saver

Liqui Moly Motor Oil Saver

300ml - SKU 1802

Opie Price
£8.95
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Liqui Moly Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£23.95
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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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Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£9.95
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Millers Oils EPP Diesel Filter Primer

Millers Oils EPP Diesel Filter Primer

500ml

RRP £10.00
£8.95
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Liqui Moly Octane Booster

Liqui Moly Octane Booster

200ml - SKU 21616

Opie Price
£9.95
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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 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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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 Speed Tec Diesel Fuel Additive

Liqui Moly Speed Tec Diesel Fuel Additive

250ml - SKU 3722

Opie Price
£13.99
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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 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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Liqui Moly DPF / GPF Cleaner

Liqui Moly DPF / GPF Cleaner

Opie Price
£18.95
Add To Basket
Price Beater
Castrol DPF Cleaner

Castrol DPF Cleaner

400ml Aerosol

RRP £14.93
£8.95
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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