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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
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 Petrol Power ECOMAX Fuel Treatment Multishot

Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

500ml

RRP £17.95
£15.95
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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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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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Liqui Moly Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£9.95
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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
£34.99
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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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Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£12.95
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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
£16.99
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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
£17.95
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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 Super Diesel Additive

Liqui Moly Super Diesel Additive

250ml - SKU 1806

Opie Price
£7.99
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Price Beater
RED LINE 85 PLUS Diesel Enhancer

RED LINE 85 PLUS Diesel Enhancer

355ml Bottle

Opie Price
£15.95
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Price Beater
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 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
Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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Price Beater
Liqui Moly Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£5.95
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Price Beater
Liqui Moly Diesel Particulate Filter Protector

Liqui Moly Diesel Particulate Filter Protector

250ml - SKU 7180

Opie Price
£5.95
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Price Beater
Motul Diesel System Clean Auto - Injector & Fuel System Cleaner

Motul Diesel System Clean Auto - Injector & Fuel System Cleaner

300ml

Opie Price
£14.95
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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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RED LINE SI-1 Fuel System Cleaner

RED LINE SI-1 Fuel System Cleaner

443ml Bottle

Opie Price
£19.99
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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
KALIMEX JLM Petrol Extreme Clean Fuel Additive - 500ml (J03155)

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

500ml

Opie Price
£26.95
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Price Beater
Valvoline Cooling System Cleaner

Valvoline Cooling System Cleaner

250ml

Opie Price
£8.95
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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 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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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 Zeroflo Two (Anti-Wax Diesel Additive)

Millers Oils Zeroflo Two (Anti-Wax Diesel Additive)

1 Litre

Opie Price
£23.95
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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
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Price Beater
Wynns Radiator Flush (56064)

Wynns Radiator Flush (56064)

325ml

Opie Price
£6.50
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Price Beater
Liqui Moly Injection Cleaner

Liqui Moly Injection Cleaner

300ml - SKU 1803

Opie Price
£8.95
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Price Beater
Millers Oils Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £9.95
£8.95
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Price Beater
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Opie Price
£11.95
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Price Beater
Wynns Hydraulic Valve Lifter Concentrate (76844)

Wynns Hydraulic Valve Lifter Concentrate (76844)

325ml

Opie Price
£13.50
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Price Beater
Wynns Commercial Vehicle Emission Reducer (W62190)

Wynns Commercial Vehicle Emission Reducer (W62190)

1 Litre

Opie Price
£36.95
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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
£16.99
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Price Beater
Liqui Moly Oil Additive

Liqui Moly Oil Additive

300ml - SKU 2591

Opie Price
£5.95
Add To Basket
Price Beater
Millers Oils EPP Petrol System Clean & Protect Fuel Treatment

Millers Oils EPP Petrol System Clean & Protect Fuel Treatment

400ml

Opie Price
£14.95
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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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Price Beater
Cataclean Petrol Fuel And Exhaust System Cleaner - 500ml Bottle (CAT001)

Cataclean Petrol Fuel And Exhaust System Cleaner - 500ml Bottle (CAT001)

500ml Bottle

Opie Price
£18.95
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Price Beater
Cataclean Diesel Fuel and Exhaust System Cleaner - 500ml Bottle (CAT002)

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

500ml Bottle

Opie Price
£18.95
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Price Beater
KALIMEX JLM Diesel Extreme Clean - 1000ml (J02360)

KALIMEX JLM Diesel Extreme Clean - 1000ml (J02360)

1 Litre

Opie Price
£54.95
Add To Basket
Price Beater
Liqui Moly DEF Anti Crystal Additive Concentrate

Liqui Moly DEF Anti Crystal Additive Concentrate

250ml - SKU 21799

Opie Price
£9.95
Add To Basket
Price Beater
Wynns Fuel Biocide For Petrol & Diesel (10601A)

Wynns Fuel Biocide For Petrol & Diesel (10601A)

250ml

Opie Price
£15.50
Add To Basket
Price Beater
Comma Petrol Magic Fuel Additive & Injector Cleaner

Comma Petrol Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£5.95
Add To Basket
Price Beater
Comma Diesel Magic Fuel Additive & Injector Cleaner

Comma Diesel Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£5.95
Add To Basket
Price Beater
STP Complete Diesel Fuel System Cleaner - 400ml (65400EN)

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

400ml

Opie Price
£9.50
Add To Basket
Price Beater
Amsoil DOMINATOR Octane Boost

Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
£14.95
Add To Basket
Price Beater
Amsoil Diesel Cetane Boost

Amsoil Diesel Cetane Boost

16oz Bottle (473ml)

Opie Price
£16.99
Add To Basket
Price Beater
CE-LIT Rapid Radiator Leak Sealant - 0.3L (977)

CE-LIT Rapid Radiator Leak Sealant - 0.3L (977)

300ml

Opie Price
£6.50
Add To Basket
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KALIMEX JLM Diesel DPF Cleaner - Treats Up To 60L of Fuel - 375ml (J02210)

KALIMEX JLM Diesel DPF Cleaner - Treats Up To 60L of Fuel - 375ml (J02210)

375ml

Opie Price
£38.50
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VP Racing Octanium Unleaded Octane Improver

VP Racing Octanium Unleaded Octane Improver

1 Quart (946ml)

Opie Price
£26.95
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PatFluid DPF Refill Fluid for On-board Dosing Systems - 1 Litre (03-11-000-0005)

PatFluid DPF Refill Fluid for On-board Dosing Systems - 1 Litre (03-11-000-0005)

Opie Price
£38.95
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Price Beater
Millers Oils Driveline Flushing Oil

Millers Oils Driveline Flushing Oil

500ml

RRP £7.96
£6.95
Add To Basket
Price Beater
KALIMEX JLM Diesel DPF Cleaner for HGVs - 1 Litre (J02215)
Free Shipping

KALIMEX JLM Diesel DPF Cleaner for HGVs - 1 Litre (J02215)

1 Litre

Opie Price
£86.50
Add To Basket
Price Beater
KALIMEX JLM Diesel Turbo Cleaner - 500ml (J02380)

KALIMEX JLM Diesel Turbo Cleaner - 500ml (J02380)

500ml

Opie Price
£30.50
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Price Beater
KALIMEX JLM Diesel Injector Cleaner - 250ml (J02320)

KALIMEX JLM Diesel Injector Cleaner - 250ml (J02320)

250ml

Opie Price
£9.50
Add To Basket
Price Beater
KALIMEX JLM Petrol GDI Injector Cleaner - 250ml (J03170)

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

250ml

Opie Price
£14.95
Add To Basket
Price Beater
KALIMEX JLM Petrol Injector Cleaner - 250ml (J03130)

KALIMEX JLM Petrol Injector Cleaner - 250ml (J03130)

250ml

Opie Price
£9.95
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