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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 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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Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£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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Amsoil Break-In Oil SAE 30

Amsoil Break-In Oil SAE 30

1 US Quart

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 Super Diesel Additive

Liqui Moly Super Diesel Additive

250ml - SKU 1806

Opie Price
£7.99
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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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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 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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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 Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £9.95
£8.95
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Price Beater
Wynns CV Ice Proof For Diesel (W22790)

Wynns CV Ice Proof For Diesel (W22790)

1 Litre

Opie Price
£33.95
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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
£15.95
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Millers Oils EPP Diesel System Clean & Protect Fuel Treatment

Millers Oils EPP Diesel System Clean & Protect Fuel Treatment

400ml

RRP £12.00
£9.95
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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 DPF Turbo & Exhaust Cleaner

Millers Oils EPP DPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
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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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Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£9.95
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Liqui Moly Oil Additive

Liqui Moly Oil Additive

300ml - SKU 2591

Opie Price
£5.95
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Liqui Moly Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£23.95
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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 Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£5.95
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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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Castrol Engine Shampoo (Pre-Oil Change Treatment)

Castrol Engine Shampoo (Pre-Oil Change Treatment)

300ml

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

Millers Oils Stop Leak Engine and Gear Oil Treatment

250ml

RRP £5.95
£4.99
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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 Catalytic Converter & Lambda Cleaner (24463)

Wynns Catalytic Converter & Lambda Cleaner (24463)

325ml

Opie Price
£12.50
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Valvoline Cooling System Cleaner

Valvoline Cooling System Cleaner

250ml

Opie Price
£8.95
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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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Power Maxed Coolant Seal - Cooling System Leak Repair - 250ml (PMCSEAL)

Power Maxed Coolant Seal - Cooling System Leak Repair - 250ml (PMCSEAL)

250ml

Opie Price
£11.50
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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 £14.95
£12.95
Add To Basket
Price Beater
KALIMEX JLM BorTec Friction Reduction Engine Oil Additive - 250ml (J06050)

KALIMEX JLM BorTec Friction Reduction Engine Oil Additive - 250ml (J06050)

250ml

Opie Price
£18.50
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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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KALIMEX JLM Diesel Turbo Cleaner - 500ml (J02380)

KALIMEX JLM Diesel Turbo Cleaner - 500ml (J02380)

500ml

Opie Price
£30.50
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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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KALIMEX JLM Petrol Extreme Clean Fuel Additive - 500ml (J03155)

KALIMEX JLM Petrol Extreme Clean Fuel Additive - 500ml (J03155)

500ml

Opie Price
£26.95
Add To Basket
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CE-LIT Radiator Cement Sachets (0244A)

CE-LIT Radiator Cement Sachets (0244A)

Pack of 24

Opie Price
£21.95
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BRADEX Bradex Easy Start (BES1A)

BRADEX Bradex Easy Start (BES1A)

300ml Aerosol

Opie Price
£5.95
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Price Beater
STP Petrol Treatment - 200ml (51200EN)

STP Petrol Treatment - 200ml (51200EN)

200ml

Opie Price
£4.50
Add To Basket
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Wynns Xtreme Petrol System Clean (29764A)

Wynns Xtreme Petrol System Clean (29764A)

325ml

Opie Price
£10.50
Add To Basket
Price Beater
RED LINE 85 PLUS Diesel Enhancer

RED LINE 85 PLUS Diesel Enhancer

355ml Bottle

Opie Price
£14.95
Add To Basket
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
Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
Add To Basket
Price Beater
VP Racing Madditive Fuel System Cleaner

VP Racing Madditive Fuel System Cleaner

16oz (473ml) Bottle

Opie Price
£15.95
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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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Wynns Formula Gold Diesel System Treatment (76401)

Wynns Formula Gold Diesel System Treatment (76401)

500ml

Opie Price
£17.50
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Wynns Commercial Vehicle Emission Reducer (W62190)

Wynns Commercial Vehicle Emission Reducer (W62190)

1 Litre

Opie Price
£36.95
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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 Radiator Stop Leak

Liqui Moly Radiator Stop Leak

Opie Price
£5.95
Add To Basket
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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
Add To Basket
Price Beater
Millers Oils EPP Diesel Injector Cleaner

Millers Oils EPP Diesel Injector Cleaner

400ml

RRP £25.00
£21.95
Add To Basket
Price Beater
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Opie Price
£11.95
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
£10.99
Add To Basket
Price Beater
Classic Etha-Guard Plus Ethanol Stabiliser Petrol Additive

Classic Etha-Guard Plus Ethanol Stabiliser Petrol Additive

250ml

Opie Price
£16.99
Add To Basket
Price Beater
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
£9.95
Add To Basket
Price Beater
Millers Oils EPP Petrol Injector Cleaner

Millers Oils EPP Petrol Injector Cleaner

400ml

RRP £25.00
£16.99
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