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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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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 CVL (Valve Seat Lubricant & Combustion Enhancer)

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

250ml

RRP £12.95
£10.99
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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 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 Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£9.95
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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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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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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 EPP DPF Turbo & Exhaust Cleaner

Millers Oils EPP DPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
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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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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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Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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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 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 Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £9.95
£8.95
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Wynns Diesel EGR Cleaner

Wynns Diesel EGR Cleaner

Opie Price
£10.99
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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 Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£23.95
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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 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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Liqui Moly Injection Cleaner

Liqui Moly Injection Cleaner

300ml - SKU 1803

Opie Price
£8.95
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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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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 Speed Tec Diesel Fuel Additive

Liqui Moly Speed Tec Diesel Fuel Additive

250ml - SKU 3722

Opie Price
£13.99
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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
£27.95
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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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Wynns Catalytic Converter & Lambda Cleaner (24463)

Wynns Catalytic Converter & Lambda Cleaner (24463)

325ml

Opie Price
£12.50
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Price Beater
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 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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RED LINE 85 PLUS Diesel Enhancer

RED LINE 85 PLUS Diesel Enhancer

355ml Bottle

Opie Price
£14.95
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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
Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate

Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate

250ml

Opie Price
£17.95
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
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Price Beater
Valvoline Engine Oil System Cleaner

Valvoline Engine Oil System Cleaner

300ml

Opie Price
£10.99
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Valvoline Petrol System Cleaner V1

Valvoline Petrol System Cleaner V1

300ml

Opie Price
£14.95
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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 Injector Cleaner For Diesel Engines (51668A)

Wynns Injector Cleaner For Diesel Engines (51668A)

325ml

Opie Price
£8.95
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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
Comma Engine Flush Oil Additive for Petrol & Diesel Engines

Comma Engine Flush Oil Additive for Petrol & Diesel Engines

400ml

Opie Price
£4.99
Add To Basket
Price Beater
KALIMEX JLM Diesel DPF Regen Plus - 250ML (J02200)

KALIMEX JLM Diesel DPF Regen Plus - 250ML (J02200)

250ML

Opie Price
£15.95
Add To Basket
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Wynns Diesel Particulate Filter DPF Regenerator (28392A)

Wynns Diesel Particulate Filter DPF Regenerator (28392A)

500ml

Opie Price
£15.95
Add To Basket
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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
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Millers Oils Driveline Flushing Oil

Millers Oils Driveline Flushing Oil

500ml

RRP £7.96
£6.95
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Lucas Oil Engine Oil Stop Leak

Lucas Oil Engine Oil Stop Leak

Opie Price
£35.50
Add To Basket
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Liqui Moly Fuel System Treatment

Liqui Moly Fuel System Treatment

300ml - SKU 8365

Opie Price
£6.95
Add To Basket
Price Beater
Liqui Moly Pro-Line Intake System Cleaner Diesel

Liqui Moly Pro-Line Intake System Cleaner Diesel

400ml Aerosol - SKU 5168

Opie Price
£27.95
Add To Basket
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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
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
Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£9.95
Add To Basket
Price Beater
Liqui Moly Oil Additive

Liqui Moly Oil Additive

300ml - SKU 2591

Opie Price
£5.95
Add To Basket
Price Beater
Liqui Moly Radiator Cleaner

Liqui Moly Radiator Cleaner

300ml - SKU 1804

Opie Price
£4.99
Add To Basket
Price Beater
Liqui Moly Octane Booster

Liqui Moly Octane Booster

200ml - SKU 21616

Opie Price
£9.95
Add To Basket
Price Beater
Liqui Moly Diesel Particulate Filter Protector

Liqui Moly Diesel Particulate Filter Protector

250ml - SKU 7180

Opie Price
£5.95
Add To Basket
Price Beater
Liqui Moly Engine Flush

Liqui Moly Engine Flush

300ml

Opie Price
£7.99
Add To Basket
Price Beater
Wynns Commercial Vehicle Emission Reducer (W62190)

Wynns Commercial Vehicle Emission Reducer (W62190)

1 Litre

Opie Price
£36.95
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