Search Button

Search

Account Button

Account
Basket Button

Basket Basket

Search Suggestions

Categories

Products

Note: These results are not specific to your vehicle registration.
Please use our separate Oil & Parts Finder to search by vehicle registration.

View All Results

Free UK delivery £80+ (geographic restrictions apply)
60 Day Returns
Free Expert Advice
No Leak Guarantee
01209 202944
£5 OFF ORDERS OVER £50
PROMO CODE: SAVE5

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.

Read More +

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
Add To Basket
Price Beater
Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

250ml

RRP £6.95
£5.95
Add To Basket
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
Add To Basket
Price Beater
Liqui Moly Hydraulic Lifter Additive

Liqui Moly Hydraulic Lifter Additive

300ml - SKU 2770

Opie Price
£5.95
Add To Basket
Price Beater
Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£12.95
Add To Basket
Price Beater
Liqui Moly Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£9.95
Add To Basket
Price Beater
Liqui Moly Engine Flush Plus

Liqui Moly Engine Flush Plus

300ml - SKU 8374

Opie Price
£6.95
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Liqui Moly Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£20.95
Add To Basket
Price Beater
Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

Millers Oils Petrol Power ECOMAX Fuel Treatment Multishot

500ml

RRP £17.95
£15.95
Add To Basket
Price Beater
Silkolene PRO BOOST Octane Improver (Fuchs)

Silkolene PRO BOOST Octane Improver (Fuchs)

1 Litre

RRP £30.95
£25.99
Add To Basket
Price Beater
Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

250ml

Opie Price
£8.95
Add To Basket
Price Beater
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
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Comma Diesel Magic Fuel Additive & Injector Cleaner

Comma Diesel Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£6.95
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
Price Beater
Millers Oils Driveline Flushing Oil

Millers Oils Driveline Flushing Oil

500ml

RRP £7.96
£6.95
Add To Basket
Price Beater
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
Liqui Moly Radiator Stop Leak

Liqui Moly Radiator Stop Leak

Opie Price
£5.95
Add To Basket
Price Beater
Liqui Moly Super Diesel Additive

Liqui Moly Super Diesel Additive

250ml - SKU 1806

Opie Price
£7.99
Add To Basket
Price Beater
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Opie Price
£12.50
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
Amsoil Break-In Oil SAE 30

Amsoil Break-In Oil SAE 30

1 US Quart

Opie Price
£14.95
Add To Basket
Price Beater
Millers Oils Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £9.95
£8.95
Add To Basket
Price Beater
Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

500ml

RRP £19.00
£15.95
Add To Basket
Price Beater
Millers Oils Extra Cool (Corrosion Inhibitor & Coolant Enhancer) Concentrate

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

250ml

RRP £17.95
£15.95
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £9.95
£8.95
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
Valvoline Cooling System Cleaner

Valvoline Cooling System Cleaner

250ml

Opie Price
£6.95
Add To Basket
Price Beater
ISOPON Leak Stop For Petrol Tanks Radiators & Sumps - 250 ml (LKSTOP/S)

ISOPON Leak Stop For Petrol Tanks Radiators & Sumps - 250 ml (LKSTOP/S)

250 ml

Opie Price
£11.95
Add To Basket
Price Beater
Millers Oils EPP Diesel System Clean & Protect Fuel Treatment

Millers Oils EPP Diesel System Clean & Protect Fuel Treatment

400ml

RRP £12.00
£9.95
Add To Basket
Price Beater
Liqui Moly DEF Anti Crystal Additive Concentrate

Liqui Moly DEF Anti Crystal Additive Concentrate

250ml - SKU 21799

Opie Price
£8.95
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
Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
Add To Basket
Price Beater
Liqui Moly Motor Oil Saver

Liqui Moly Motor Oil Saver

300ml - SKU 1802

Opie Price
£8.95
Add To Basket
Price Beater
Liqui Moly Power Steering Oil Leak Stop

Liqui Moly Power Steering Oil Leak Stop

35ml - SKU 1099

Opie Price
£5.95
Add To Basket
Price Beater
Liqui Moly Oil Smoke Stop

Liqui Moly Oil Smoke Stop

300ml - SKU 8901

Opie Price
£6.95
Add To Basket
Price Beater
Liqui Moly E10 Additive - Fuel Enhancer

Liqui Moly E10 Additive - Fuel Enhancer

150ml - SKU 21421

Opie Price
£7.99
Add To Basket
Price Beater
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 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
Add To Basket
Price Beater
KALIMEX JLM Petrol Extreme Clean Fuel Additive - 500ml (J03155)

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

500ml

Opie Price
£27.50
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
Liqui Moly Octane Booster

Liqui Moly Octane Booster

200ml - SKU 21616

Opie Price
£9.95
Add To Basket
Price Beater
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
Liqui Moly Radiator Cleaner

Liqui Moly Radiator Cleaner

300ml - SKU 1804

Opie Price
£4.99
Add To Basket
Price Beater
Liqui Moly DPF / GPF Cleaner

Liqui Moly DPF / GPF Cleaner

Opie Price
£18.95
Add To Basket
Price Beater
KALIMEX JLM Diesel Catalytic Exhaust Cleaner - 250ml (J02370)

KALIMEX JLM Diesel Catalytic Exhaust Cleaner - 250ml (J02370)

250ml

Opie Price
£18.50
Add To Basket
Price Beater
KALIMEX JLM Diesel Extreme Clean - 1000ml (J02360)

KALIMEX JLM Diesel Extreme Clean - 1000ml (J02360)

1 Litre

Opie Price
£56.50
Add To Basket
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
£19.50
Add To Basket
Price Beater
Comma X-Flow Flush Out Mineral Engine Oil Flush

Comma X-Flow Flush Out Mineral Engine Oil Flush

5 Litres

Opie Price
£27.95
Add To Basket
Price Beater
Wynns Diesel EGR Cleaner

Wynns Diesel EGR Cleaner

Opie Price
£10.99
Add To Basket
Price Beater
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
Add To Basket
Price Beater
Valvoline Engine Oil Treatment ML V1

Valvoline Engine Oil Treatment ML V1

300ml

Opie Price
£17.95
Add To Basket
Price Beater
Valvoline Petrol System Cleaner V1

Valvoline Petrol System Cleaner V1

300ml

Opie Price
£14.95
Add To Basket
Price Beater
Comma Petrol Magic Fuel Additive & Injector Cleaner

Comma Petrol Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£6.95
Add To Basket
Price Beater
Valvoline Engine Oil System Cleaner

Valvoline Engine Oil System Cleaner

300ml

Opie Price
£10.99
Add To Basket
Price Beater
Millers Oils Tank Safe Petrol Additive Fuel System Protection

Millers Oils Tank Safe Petrol Additive Fuel System Protection

250ml Bottle

Opie Price
£15.95
Add To Basket
Price Beater
Castrol Engine Shampoo (Pre-Oil Change Treatment)

Castrol Engine Shampoo (Pre-Oil Change Treatment)

300ml

Opie Price
£13.99
Add To Basket
Price Beater
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

250ml

RRP £12.95
£10.99
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