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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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208 Products (Viewing: 1 - 60 of 208)

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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Liqui Moly Pro-Line Engine Flush

Liqui Moly Pro-Line Engine Flush

Opie Price
£9.95
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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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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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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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Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£12.95
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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
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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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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 Diesel Particulate Filter (DPF) Cleaner & Regenerator

Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

250ml

Opie Price
£8.95
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Amsoil Diesel Cetane Boost

Amsoil Diesel Cetane Boost

16oz Bottle (473ml)

Opie Price
£16.99
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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
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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Wynns CV Injector Cleaner And Filter Primer (W25290)

Wynns CV Injector Cleaner And Filter Primer (W25290)

1 Litre

Opie Price
£30.50
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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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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 Cera Tec

Liqui Moly Cera Tec

300ml - SKU 3721

Opie Price
£20.95
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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
£8.95
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Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon

Opie Price
£11.95
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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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Wynns CV Ice Proof For Diesel (W22790)

Wynns CV Ice Proof For Diesel (W22790)

1 Litre

Opie Price
£33.95
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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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VP Racing Octanium Unleaded Octane Improver

VP Racing Octanium Unleaded Octane Improver

1 Quart (946ml)

Opie Price
£26.95
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Wynns Crystal Clean And Protect

Wynns Crystal Clean And Protect

Opie Price
£6.95
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Comma Petrol Magic Fuel Additive & Injector Cleaner

Comma Petrol Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£6.95
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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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Liqui Moly Super Diesel Additive

Liqui Moly Super Diesel Additive

250ml - SKU 1806

Opie Price
£7.99
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Millers Oils EPP Diesel Injector Cleaner

Millers Oils EPP Diesel Injector Cleaner

400ml

RRP £25.00
£21.95
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Millers Oils EPP PPF Turbo & Exhaust Cleaner

Millers Oils EPP PPF Turbo & Exhaust Cleaner

400ml

RRP £12.00
£11.95
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Millers Oils EPP Petrol Injector Cleaner

Millers Oils EPP Petrol Injector Cleaner

400ml

RRP £25.00
£16.99
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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 Diesel Particulate Filter Protector

Liqui Moly Diesel Particulate Filter Protector

250ml - SKU 7180

Opie Price
£5.95
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Liqui Moly E10 Additive - Fuel Enhancer
On Sale

Liqui Moly E10 Additive - Fuel Enhancer

150ml - SKU 21421 - SALE

Was £7.99
£5.44
Add To Basket
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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Liqui Moly Oil Smoke Stop

Liqui Moly Oil Smoke Stop

300ml - SKU 8901

Opie Price
£6.95
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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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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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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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Wynns HPLS Transmission Treatment (59408)

Wynns HPLS Transmission Treatment (59408)

125ml

Opie Price
£11.95
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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
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Amsoil Performance Improver Gasoline Additive

Amsoil Performance Improver Gasoline Additive

12oz Bottle

Opie Price
£18.95
Add To Basket
Price Beater
REDEX Petrol Injector Cleaner - 500ml (RADD2101A)

REDEX Petrol Injector Cleaner - 500ml (RADD2101A)

500ml

Opie Price
£7.50
Add To Basket
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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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KALIMEX JLM Diesel DPF Regen Plus - 250ML (J02200)

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

250ML

Opie Price
£15.95
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STP Diesel Particulate Filter Cleaner - 200ml (GST66200EN)

STP Diesel Particulate Filter Cleaner - 200ml (GST66200EN)

200ml

RRP £7.00
£6.95
Add To Basket
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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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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 Petrol Injector Cleaner - 250ml (J03130)

KALIMEX JLM Petrol Injector Cleaner - 250ml (J03130)

250ml

Opie Price
£9.95
Add To Basket
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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
Add To Basket
Price Beater
Lucas Oil Diesel EGR Turbo Cleaner - 500ml (41019A)

Lucas Oil Diesel EGR Turbo Cleaner - 500ml (41019A)

500ml Aerosol

Opie Price
£6.95
Add To Basket
Price Beater
Wynns CV Cooling System Flush (W45990)

Wynns CV Cooling System Flush (W45990)

1 Litre

Opie Price
£25.99
Add To Basket
Price Beater
Amsoil DOMINATOR Octane Boost

Amsoil DOMINATOR Octane Boost

12oz Bottle

Opie Price
£12.95
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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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Wynns Injector Cleaner For Diesel Engines (51668A)

Wynns Injector Cleaner For Diesel Engines (51668A)

325ml

Opie Price
£8.95
Add To Basket
Price Beater
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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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
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