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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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204 Products (Viewing: 60 - 120 of 204)

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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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Wynns Formula Gold Diesel System Treatment (76401)

Wynns Formula Gold Diesel System Treatment (76401)

500ml

Opie Price
£17.50
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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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BRADEX Bradex Easy Start (BES1A)

BRADEX Bradex Easy Start (BES1A)

300ml Aerosol

Opie Price
£5.95
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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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Holts Radweld Radiator Treatment - 250ml (RW2R)

Holts Radweld Radiator Treatment - 250ml (RW2R)

250ml

Opie Price
£3.50
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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 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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Holts EGR & Carb Cleaner Aerosol - 500ml Aerosol (HMTN0201A)

Holts EGR & Carb Cleaner Aerosol - 500ml Aerosol (HMTN0201A)

500ml Aerosol

Opie Price
£5.50
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Wynns Cooling System Stop Leak (45644A)

Wynns Cooling System Stop Leak (45644A)

325ml

Opie Price
£9.50
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Wynns Engine Oil Stop Leak (77441)

Wynns Engine Oil Stop Leak (77441)

325ml

Opie Price
£13.50
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Wynns Extreme Cooling System Degreaser (25541)

Wynns Extreme Cooling System Degreaser (25541)

325ml

Opie Price
£13.50
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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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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 Fuel Biocide For Petrol & Diesel (10601A)

Wynns Fuel Biocide For Petrol & Diesel (10601A)

250ml

Opie Price
£15.50
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Wynns Injector Cleaner For Diesel Engines (51668A)

Wynns Injector Cleaner For Diesel Engines (51668A)

325ml

Opie Price
£8.95
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STP Complete Diesel Fuel System Cleaner - 400ml (65400EN)

STP Complete Diesel Fuel System Cleaner - 400ml (65400EN)

400ml

Opie Price
£9.50
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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
£14.95
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STP Petrol Treatment - 200ml (51200EN)

STP Petrol Treatment - 200ml (51200EN)

200ml

Opie Price
£4.50
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REDEX Petrol Injector Cleaner - 500ml (RADD2101A)

REDEX Petrol Injector Cleaner - 500ml (RADD2101A)

500ml

Opie Price
£7.50
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STP Petrol Fuel Injector Cleaner - 200ml (53200EN)

STP Petrol Fuel Injector Cleaner - 200ml (53200EN)

200ml

Opie Price
£5.95
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STP Diesel Injector Cleaner - 200ml (59200EN)

STP Diesel Injector Cleaner - 200ml (59200EN)

200ml

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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Wynns Diesel Particulate Filter Cleaner (28263)

Wynns Diesel Particulate Filter Cleaner (28263)

325ml

Opie Price
£12.50
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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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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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Wynns Formula Gold Petrol System Treatment (70701A)

Wynns Formula Gold Petrol System Treatment (70701A)

500ml

Opie Price
£17.50
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Motul Valve Expert - Petrol Lead Replacement Fuel Additive

Motul Valve Expert - Petrol Lead Replacement Fuel Additive

250ml

Opie Price
£16.99
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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 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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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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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
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 Lead Substitute Additive

RED LINE Lead Substitute Additive

355ml Bottle

Opie Price
£19.99
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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
£17.95
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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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Valvoline Engine Oil Stop Leak ML V1

Valvoline Engine Oil Stop Leak ML V1

300ml

Opie Price
£16.99
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Valvoline Engine Oil Treatment ML V1

Valvoline Engine Oil Treatment ML V1

300ml

Opie Price
£17.95
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Valvoline Cooling System Stop Leak ML V1

Valvoline Cooling System Stop Leak ML V1

300ml

Opie Price
£6.95
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Valvoline Petrol System Cleaner V1

Valvoline Petrol System Cleaner V1

300ml

Opie Price
£16.99
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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 Diesel System Cleaner

Valvoline Diesel System Cleaner

300ml

RRP £12.05
£11.95
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VP Racing Madditive Fuel System Cleaner

VP Racing Madditive Fuel System Cleaner

16oz (473ml) Bottle

RRP £15.00
£14.95
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VP Racing Madditive Diesel All-In-One

VP Racing Madditive Diesel All-In-One

1893ml

Opie Price
£31.99
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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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Fuchs ANTICORIT S2000A Anti-Corrosion Additive for Cooling Systems
Free Shipping

Fuchs ANTICORIT S2000A Anti-Corrosion Additive for Cooling Systems

20 Litres

Opie Price
£352.99
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Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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Price Beater
Power Maxed Concentrated Radiator Flush Treatment - 325ml (RADF)

Power Maxed Concentrated Radiator Flush Treatment - 325ml (RADF)

325ml

RRP £4.98
£4.50
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Wynns Off-Car DPF Cleaner (18985B)

Wynns Off-Car DPF Cleaner (18985B)

5 Litre

Opie Price
£37.99
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Wynns Diesel Turbo Cleaner (31563B)

Wynns Diesel Turbo Cleaner (31563B)

325ml

Opie Price
£13.50
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Wynns Injector & Pump Cleaner For Petrol Engines (55964)

Wynns Injector & Pump Cleaner For Petrol Engines (55964)

325ml

Opie Price
£9.50
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STP Oil Treatment for Petrol Engines - 450ml (60450EN06)

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

450ml

Opie Price
£6.95
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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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Price Beater
Wynns Radiator Stop Leak (55864)

Wynns Radiator Stop Leak (55864)

325ml

Opie Price
£6.95
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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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KALIMEX JLM Petrol GDI Injector Cleaner - 250ml (J03170)

KALIMEX JLM Petrol GDI Injector Cleaner - 250ml (J03170)

250ml

Opie Price
£14.95
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KALIMEX JLM Petrol Injector Cleaner - 250ml (J03130)

KALIMEX JLM Petrol Injector Cleaner - 250ml (J03130)

250ml

Opie Price
£9.95
Add To Basket
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VP Racing Octanium Unleaded Octane Improver

VP Racing Octanium Unleaded Octane Improver

1 Quart (946ml)

Opie Price
£26.95
Add To Basket
Price Beater
1
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34
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