Search Button

Search

Account Button

Account
Basket Button

Basket Basket

Search Suggestions

Categories

Products

View All Results

Free UK delivery £50.00+ (geographic restrictions apply)
60 Day Returns
Free Expert Advice
No Leak Guarantee
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.

Read More +

204 Products (Viewing: 1 - 61 of 204)

1
234
Millers Oils Diesel Power Ecomax Fuel Treatment Multishot

Millers Oils Diesel Power Ecomax Fuel Treatment Multishot

500ml

RRP £16.99
£11.95
Add To Basket
Price Beater
 
Liqui Moly Engine Flush Plus

Liqui Moly Engine Flush Plus

300ml

Opie Price
£6.95
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 Engine Flush Fully Synthetic Engine Oil Treatment

Millers Oils Engine Flush Fully Synthetic Engine Oil Treatment

250ml

RRP £13.00
£6.95
Add To Basket
Price Beater
Classic Valvemaster Lead Replacement Additive

Classic Valvemaster Lead Replacement Additive

250ml

Opie Price
£11.95
Add To Basket
Price Beater
Millers Oils Petrol Power ECOMAX Fuel Treatment

Millers Oils Petrol Power ECOMAX Fuel Treatment

500ml

RRP £19.00
£17.95
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 £19.00
£12.95
Add To Basket
Price Beater
Millers Oils Diesel Injector Cleaner

Millers Oils Diesel Injector Cleaner

250ml

RRP £11.99
£7.99
Add To Basket
Price Beater
Wynns Crystal Clean And Protect

Wynns Crystal Clean And Protect

Opie Price
£6.95
Add To Basket
Price Beater
RED LINE WaterWetter Super Coolant Additive

RED LINE WaterWetter Super Coolant Additive

355ml Bottle

Opie Price
£16.99
Add To Basket
Price Beater
VP Racing Madditive Octanium

VP Racing Madditive Octanium

1 Quart (946ml)

Opie Price
£22.99
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

RRP £13.99
£9.95
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 £32.99
£29.95
Add To Basket
Price Beater
Kalimex JLM Petrol Extreme Clean Fuel Additive

Kalimex JLM Petrol Extreme Clean Fuel Additive

500ml

Opie Price
£29.95
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

RRP £16.00
£12.49
Add To Basket
Price Beater
Millers Oils Diesel Power EcoMax One Shot Boost

Millers Oils Diesel Power EcoMax One Shot Boost

250ml

RRP £11.99
£5.95
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
£24.95
Add To Basket
Price Beater
VP Racing Madditive Octanium Unleaded

VP Racing Madditive Octanium Unleaded

1 Quart (946ml)

Opie Price
£22.99
Add To Basket
Price Beater
Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

Millers Oils CVL (Valve Seat Lubricant & Combustion Enhancer)

250ml

RRP £16.00
£9.95
Add To Basket
Price Beater
Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

Motul MoCool Car & Motorcycle Coolant Additive - Concentrate

500ml

RRP £22.33
£19.99
Add To Basket
Price Beater
Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

Millers Oils Diesel Particulate Filter (DPF) Cleaner & Regenerator

250ml

RRP £11.99
£7.99
Add To Basket
Price Beater
Holts Bradex Easy Start

Holts Bradex Easy Start

300ml Aerosol

Opie Price
£7.99
Add To Basket
Price Beater
Motul Diesel System Clean Auto - Injector & Fuel System Cleaner

Motul Diesel System Clean Auto - Injector & Fuel System Cleaner

300ml

Opie Price
£21.95
Add To Basket
Price Beater
STP Petrol Treatment (51200EN)

STP Petrol Treatment (51200EN)

200ml

Opie Price
£3.95
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
RED LINE SI-1 Fuel System Cleaner

RED LINE SI-1 Fuel System Cleaner

443ml Bottle

Opie Price
£16.99
Add To Basket
Price Beater
JLM Diesel Injector Cleaner

JLM Diesel Injector Cleaner

250ml

Opie Price
£10.99
Add To Basket
Price Beater
Kalimex JLM Air Intake and EGR Cleaner 500ml Aerosol

Kalimex JLM Air Intake and EGR Cleaner 500ml Aerosol

500ml Aerosol

Opie Price
£19.99
Add To Basket
Price Beater
Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars

Wynns Dry Fuel - Water Remover for Petrol and Diesel Cars

325ml

Opie Price
£9.95
Add To Basket
Price Beater
HOLTS EGR & Carb Cleaner Aerosol

HOLTS EGR & Carb Cleaner Aerosol

500ml Aerosol

Opie Price
£4.99
Add To Basket
Price Beater
Lucas Oil - Engine Oil Stop Leak

Lucas Oil - Engine Oil Stop Leak

Opie Price
£32.95
Add To Basket
Price Beater
Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon (no additives)

Dipetane Pre-combustion Fuel Treatment - 100% Hydrocarbon (no additives)

Opie Price
£10.99
Add To Basket
Price Beater
Kalimex JLM Diesel Extreme Clean (J02360)
Free Shipping

Kalimex JLM Diesel Extreme Clean (J02360)

1000ml

Opie Price
£60.95
Add To Basket
Price Beater
K-Seal Multi-Purpose Pour and Go Coolant Repair Leak

K-Seal Multi-Purpose Pour and Go Coolant Repair Leak

236ml

Opie Price
£12.95
Add To Basket
Price Beater
Elke PAG ISO 46 Compressor Oil For Automotive Compressor Systems R134a

Elke PAG ISO 46 Compressor Oil For Automotive Compressor Systems R134a

Opie Price
£25.99
Add To Basket
Price Beater
Liqui Moly Motor Oil Saver

Liqui Moly Motor Oil Saver

300ml

Opie Price
£7.99
Add To Basket
Price Beater
Isopon Leak Stop For Petrol Tanks Radiators & Sumps

Isopon Leak Stop For Petrol Tanks Radiators & Sumps

250 ml

Opie Price
£10.99
Add To Basket
Price Beater
Wynns DPF & GPF On-Car Cleaner for Diesel & Petrol Particulate Filters

Wynns DPF & GPF On-Car Cleaner for Diesel & Petrol Particulate Filters

500ml

Opie Price
£27.95
Add To Basket
Price Beater
Amsoil Performance Improver Gasoline Additive

Amsoil Performance Improver Gasoline Additive

12oz Bottle

Opie Price
£17.95
Add To Basket
Price Beater
Revive Diesel Turbo Cleaner 750ml Refill

Revive Diesel Turbo Cleaner 750ml Refill

750 ml

Opie Price
£38.95
Add To Basket
Price Beater
Wynns Injector Decarbonizer

Wynns Injector Decarbonizer

500ml

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
Silkolene PRO FST Fuel System Treatment For Petrol Engines

Silkolene PRO FST Fuel System Treatment For Petrol Engines

RRP £20.36
£15.95
Add To Basket
Price Beater
Silkolene PRO BOOST Octane Improver (Fuchs)

Silkolene PRO BOOST Octane Improver (Fuchs)

Opie Price
£22.99
Add To Basket
Price Beater
RED LINE 85 PLUS Diesel Enhancer

RED LINE 85 PLUS Diesel Enhancer

355ml Bottle

Opie Price
£13.99
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 £14.99
£13.99
Add To Basket
Price Beater
Millers Oils Petrol Injector Cleaner

Millers Oils Petrol Injector Cleaner

250ml

RRP £13.00
£7.99
Add To Basket
Price Beater
Valvoline Cooling System Stop Leak ML V1

Valvoline Cooling System Stop Leak ML V1

300ml

Opie Price
£6.95
Add To Basket
Price Beater
Comma Petrol D-Tox Combustion Chamber & Fuel System Cleaner

Comma Petrol D-Tox Combustion Chamber & Fuel System Cleaner

400ml

Opie Price
£8.95
Add To Basket
Price Beater
Wynn's Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up

Wynn's Xtreme Diesel System Clean - Powerful 'One Tank' Clean-Up

325ml

Opie Price
£7.99
Add To Basket
Price Beater
Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based

Wynns Engine Flush for Petrol & Diesel Engines - Detergent Based

425ml

Opie Price
£6.95
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
Wynns HPLS Transmission Treatment (+ Stop Leak Properties)

Wynns HPLS Transmission Treatment (+ Stop Leak Properties)

125ml

Opie Price
£9.95
Add To Basket
Price Beater
Comma Petrol Magic Fuel Additive & Injector Cleaner

Comma Petrol Magic Fuel Additive & Injector Cleaner

400ml

Opie Price
£4.99
Add To Basket
Price Beater
Wynns Clean Burn Emissions Reducer For Petrol (67264)

Wynns Clean Burn Emissions Reducer For Petrol (67264)

325ml

Opie Price
£7.99
Add To Basket
Price Beater
10K Boost Diesel Stop Smoke (1441A)

10K Boost Diesel Stop Smoke (1441A)

265ml

Opie Price
£6.95
Add To Basket
Price Beater
Wynns Formula Gold Diesel System Treatment (76401)

Wynns Formula Gold Diesel System Treatment (76401)

500ml

Opie Price
£16.99
Add To Basket
Price Beater
Wynns Air Intake, Carburettor & Throttle Valve Cleaner

Wynns Air Intake, Carburettor & Throttle Valve Cleaner

500ml Aerosol

Opie Price
£6.95
Add To Basket
Price Beater
Fuchs ANTICORIT S2000A Anti-Corrosion Additive for Cooling Systems
Free Shipping

Fuchs ANTICORIT S2000A Anti-Corrosion Additive for Cooling Systems

20 Litres

RRP £300.00
£259.99
Add To Basket
Price Beater
Millers Oils Stop Leak Engine and Gear Oil Treatment

Millers Oils Stop Leak Engine and Gear Oil Treatment

250ml

RRP £13.00
£4.99
Add To Basket
Price Beater
1
234
Free UK delivery £50.00+ (geographic restrictions apply)
60 Day Returns
Free Expert Advice
No Leak Guarantee
01209 202944