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Enhance engine performance, extend vehicle life, and drive with confidence—explore our premium range of fuel and oil additives.
Whether you're driving a diesel truck, a petrol car, or maintaining high-performance machinery, our collection of fuel and oil additives has everything you need to keep your engine running smoothly. We offer top-rated solutions designed to clean, protect, and optimize your vehicle’s performance across all engine types.
Why Use Fuel & Oil Additives?
Fuel and oil additives are formulated to tackle common engine issues like carbon buildup, friction, corrosion, and fuel inefficiency. These powerful solutions improve fuel combustion, enhance lubrication, and keep your engine components clean—ultimately boosting engine power, fuel economy, and reliability.
Shop By Category:
Diesel Fuel Additives
Keep your diesel engine in peak condition with our specialized additives. From fuel stabilizers to diesel fuel conditioners and lubricity enhancers, these products ensure smoother combustion, better mileage, and reduced emissions.
Petrol Fuel Additives
Protect and maintain your petrol engine with additives that clean injectors, improve fuel flow, and prevent carbon deposits. Our petrol additives are ideal for daily drivers and high-performance petrol cars alike.
Engine Oil Additives
Reduce friction and wear with oil additives that enhance lubrication and maintain optimal oil viscosity. Perfect for extending engine life, reducing noise, and ensuring smoother operation.
Lubricant Additives
Get dual-action protection with additives that improve both fuel and oil performance. Designed for maximum efficiency, our lubricant additives support long-term engine health, especially in demanding driving conditions.
Fuel Stabilizers & Conditioners
Ideal for vehicles in storage or seasonal equipment, these additives prevent fuel degradation and maintain fuel system cleanliness—so your engine starts strong every time.
Fuel & Oil Additives

Wynns Diesel EGR Valve Turbo Cleaner Inlet Valve Air Intake MAF Sensor 150mL +CP
£12.99
Provides immediate thorough cleaning of the air intake system, air flow sensor, inlet valves, turbo and EGR systems. Dissolves gum, lacquer, tar, carbon and deposits. Restores perfect air flow towards the combustion chamber. Strong power jet spray to support cleaning action. Eliminates and avoids starting problems Wynns Diesel EGR Valve Tur...

2x Wynns Diesel Injector Cleaner Engine Fuel Additive System Treatment 325mL
£12.73
Restore your diesel engine's performance with our injector cleaner. This powerful formula cleans and lubricates injectors and fuel pumps, improving combustion and reducing knocking noises. Each bottle contains 325mL for easy use. Cleans injectors and restores spray pattern. Cleans injectors and restores spray pattern. Improves the ignition qu...

Wynns Black Instant Gasket Maker Silicone High Temperature RTV Sealant 200ml
£16.05
Wynns Black Gasket Maker RTV Silicone is a flexible, high-temperature sealant ideal for making watertight seals and gaskets. Resistant to oils, fluids, and extreme temperatures (-40°C to 260°C), it replaces cork, felt, paper, and rubber gaskets. Safe for catalytic converters and sensors, it ensures strong, durable seals. Flexible high-temperatur...

2x DPF Cleaner Diesel Particulate Filter Cleaner 500ML Aerosol Spray + CP
£19.99
FAST AND EFFECTIVE CLEANING OF DPF. NO DISMANTLING OF DPF. ACTIVE FOAM. CLEANS SOOT, CARBON AND DEPOSITS. SIZE: 500ML EACH. FAST AND EFFECTIVE CLEANING OF DPF Our Simply DPF Cleaner is fast acting, non-corrosive and helps to restore the diesel particulate filter to its full working capacity within minutes. NO DISMANTLING OF DPF Our Simply DPF...

Simply DPF Cleaner Diesel Particulate Filter Cleaner Foam 500ML Aerosol Spray
£10.89
FAST AND EFFECTIVE CLEANING OF DPF. NO DISMANTLING OF DPF. ACTIVE FOAM. CLEANS SOOT, CARBON AND DEPOSITS. SIZE: 500ML. FAST AND EFFECTIVE CLEANING OF DPF Our Simply DPF Cleaner is fast acting, non-corrosive and helps to restore the diesel particulate filter to its full working capacity within minutes. NO DISMANTLING OF DPF Our Simply DPF Clea...

STP Diesel Treatment + Injector Cleaner + DPF Diesel Particulate Filter Cleaner 3
£14.92
STP Diesel Treatment 200ml Saves Fuel by keeping the fuel intake system clean of harmful deposits. Stops smoke and keeps fuel system clean. Concentrated Cleaning Power. Suitable for regular and bio diesel. Fights rust and corrosion in fuel system. Reduces emissions, smoke and noise. Improves cold stat performance. Easy to use. STP Diesel Injec...

STP Petrol Engine Emissions Reducer + STP Petrol Treatment Fuel Cleaner- 2
£11.99
STP Petrol Engine Emissions Reducer Reduce emission levels before your MOT Test. Reduces Emissions. Cleans Components that effect omissions. Keep key fuel system components clean. STP Emissions Reducer - Petrol is a simple solution designed to help vehicles pass their emissions test. In most of Europe, vehicle emissions are tested as part of t...

STP Diesel Engine Emissions Reducer + Diesel Fuel Treatment Cetane Improver-2
£11.99
Car manufacturers have been working hard to drive down vehicle emissions of all types for many years, despite recent scandals. Since 1992, European Union regulations have been imposed on new cars, with the aim of improving air quality. The current Euro 6 emissions standard is the toughest standard yet and has the potential to eliminate the major...

Wynns Professional Formula Extreme Car Radiator Cooling System Degreaser +Caps
£14.24
Removes oil and sludge in the cooling system (caused by a leaking heat exchanger or cylinder head gasket). Degreases and cleans the entire cooling system. Keeps the residues in suspension whilst cleaning. Restores the optimal operation of the cooling system. Excellent performance in all types of cooling liquid, including OAT coolant. Is complet...

2x Wynns Car Radiator Cooling System Stop Leak Treatment Professional +Caps
£17.43
Wynns Cooling System Stop Leak is a product designed to stop small leaks in the radiator and cooling system, with anti corrosive properties. Stops and prevents leakages in the radiator, cooling and heating system. Stops head gasket leaks. Will not harm rubber hoses, gaskets or other system components. Is compatible with all antifreezes and cool...

Wynns Professional Car Radiator Cooling System Stop Leak Treatment +Caps
£11.27
Wynns Cooling System Stop Leak is a product designed to stop small leaks in the radiator and cooling system, with anti corrosive properties. Stops and prevents leakages in the radiator, cooling and heating system. Stops head gasket leaks. Will not harm rubber hoses, gaskets or other system components. Is compatible with all antifreezes and cool...

JLM AdBlue Plus System Crystal Preventer Reducer Additive Treatment 250ml +Caps
£18.49
AdBlue is a solution used in modern diesel engines to help reduce harmful emissions of nitrogen oxides (NOx). It is an aqueous urea solution that is injected into the exhaust system and reacts with the NOx emissions to convert them into harmless nitrogen and water.The use of AdBlue is important because it helps diesel engines meet increasingly s...

STP Complete Fuel System Diesel Injector Cleaner Treatment 400ml +Caps
£13.65
STP Complete Fuel System Cleaner – Diesel is designed to clean and protect the entire fuel system for restored performance. Just one bottle of this diesel system cleaner will help remove deposits from injectors, valves and combustion chamber, prevent hesitation, and corrosion, and reduce smoke/emissions. How it helps: Restores performance. Redu...

STA-BIL Stabil Ethanol Fuel Stabilizer Treatment Petrol 360° Marine 236ml +Caps
£15.95
Specially formulated for use in harsh marine environments, STA-BIL® Marine offsets the effects of moisture in today’s ethanol-blended fuels and protects marine engines all-year round, including periods of storage. PREVENT ETHANOL DAMAGE: Protect your entire fuel system against damaging rust and corrosion caused by moisture and ethanol fuels. ...

Protec Professional Car Petrol Fuel System & Injector Cleaner 375mL +Caps
£15.95
Petrol system cleaner has been formulated to; Remove moisture from fuel system and protect against corrosion. Clean injectors and improve spray patterns. Free piston rings and sticking valves. Dissolve varnish and non volatile residue. Improve general engine performance. Reduce exhaust emissions. Size 375ml Also Includes 4TRESS Chrome Tyre Val...

PROTEC Specialist Car Injector & Fuel System Cleaner Petrol Treatment + Caps
£16.24
Specialist Petrol Injector Cleaner has been formulated to: Remove moisture from fuel system and protect against corrosion. Clean injectors and improve spray patterns. Free piston rings and sticking valves. Reduce exhaust emissions. Improves general engine performance. Dissolve varnish and non volatile residue. size: 375ml. Also Includes 4TRESS...

JLM DPF Regen Plus Diesel Cleaner Regeneration Support 250ml Spray Can + Caps
£14.40
JLM Diesel DPF ReGen Plus is a preventative for all diesel cars with particulate filters and prevents troublesome and costly problems and breakdowns. Avoids frequent maintenance costs related to the manual regeneration of the Diesel particulate Filter. Product Information JLM Diesel DPF ReGen Plus is added to the fuel and prevents the diesel par...

Protec Oil System Protector & Friction Reducer Car Engine Oil Treatment +Caps
£15.95
Specially formulated to reduce friction in engines and gearboxes. It can help prolong engine life, improve MPG, increase performance, reduce pollution and quieten noise. Coats all internal surfaces. Directions Add at a ratio of 6-8% to engine or gearbox oil e.g. One can to 5 liters of oil. For best results use oil friction reducer with fresh ...

2x 10K Boost Petrol Diesel Car Engine Oil Stop Leak Treats Rubber Seals Gaskets + Caps
£17.20
10K Boost Engine Stop Leak is formulated to help stop leaks caused by seals and gaskets that can shrink or even crack. It will help to expand and revitalise all rubber engine oil seals, including rear main seals, crankshaft oil seals, timing cover seals etc.Important - will not treat mechanically defective or non-rubber gaskets. Product Informat...

2x 10K Boost Car Power Steering System Seals Stop Leak Additive Treatment + Caps
£15.25
10K Boost Power Steering Fluid will stop and prevent leaks in power steering systems conditioning the seals, it will also help to prevent power steering squeals and chatter. 10K Boost Power Steering Fluid can be used as a top up for the system where a manufacturer recommends this fluid. Not suitable for vehicles where a central hydraulic fluid i...

Lucas Engine Oil Stop Leak 946ml Seals & Gasket Sealer Smoke Additive Treatment
£10.92
Lucas Engine Oil Stop Leak is a powerful and effective solution designed to stop seal leaks in engines, making it ideal for older engines that may be experiencing oil leaks. Its unique formulation combines Lucas additives with specialized base stock to provide superior performance.One of the key benefits of Lucas Engine Oil Stop Leak is its abil...

JLM Petrol & Diesel Hybrid Engines GDI Valves Stems Direct Injection Cleaner Spray +Caps
£18.85
deal for direct-injection petrol and diesel engines. Hybrid engine compatible. Dedicated formulation for hot-baked carbon deposits. Restores engine breathing. Reinstates efficiency. Cleanses valves, combustion chambers and piston crowns. Size 500ml. An unfortunate consequence of relocating fuel injectors from the intake to the combustion chamb...

JLM Engine Injector + Spark Plug Loosener Remover Rust Shock 400ml Spray +Caps
£15.40
JLM's Injector + Spark Plug Loosener is especially useful for freeing seized delicate parts. It is strong enough to break apart the bond between two components but is sufficiently gentle to reduce the chance of later damage. Product Information Using excessive force to remove a seized component can be counterproductive. While breaking a stud, by...

STA-BIL Stabil Petrol Fuel Stabilizer Car Fuel System Storage Treatment 236ml Bottle +Caps
£13.95
STA-BIL Storage Fuel Stabilizer is a fuel additive that keeps fuel fresh for up to 24 months and ensures quick, easy starts after periods of storage. This E10 fuel additive can be used in any petrol powered vehicle or equipment you plan to store for 30 days or longer. STA-BIL is perfect for collector cars, stored vehicles, classic motorcycles, ...

Forte Car Van 4x4 Diesel Complete Fuel System Specialist Injector Cleaner
£21.95
Forte Diesel Specialist Injector Cleaner is formulated specifically to remove Internal Diesel Injector Deposits (IDID) and ensure injector cleanliness, restore spray pattern and restore combustion efficiency. Provides rapid cleaning of the fuel injector. Removes the internal diesel injector deposits (IDID) also called ‘Injector Sticking’ and de...

Forte Advanced Formula Car Petrol Engine Complete Fuel System Treatment
£18.95
Forte Advanced Formula Petrol Treatment has been specifically formulated to combat driveability concerns caused by contamination and the adverse effects of fuel degradation. Forte Advanced Formula Petrol Treatment cleans and lubricates the entire fuel system, both pre and post-combustion. The treatment is completely safe with all fuel system com...

Forte Car Van Power Steering System Stiffness Shudder Noise Treatment Tube
£19.75
Forte Power Steering Treatment is compatible with and will enhance the performance of all fluids recommended for use in power assisted steering systems. Forte Power Steering Treatment works to eliminate PAS stiffness, shudder and noise; prevents oil leaks and provides smoother operation of the power assisted steering. In addition, the treatment ...

Forte Lubricants Car Van 4x4 Diesel Engine Turbo & EGR Valves Cleaner
£21.95
Forte Diesel Turbo Cleaner is specifically formulated for vehicles fitted with Variable Geometry Turbos. Particles from incomplete combustion adhere to the variable vanes causing them to stick, reducing vehicle power and efficiency, resulting in an engine management fault. Cleans sticking Variable Geometry Turbos without dismantling. Actively r...

Forte Car Van 4x4 Diesel Particulate Filter DPF Soot Cleaner And Regenerator
£21.95
Forte Diesel Particulate Filter Cleaner and Regenerator has been specifically formulated to combat the adverse effects that start/stop driving conditions have on Diesel Particulate Filter (DPF) regeneration. With a continued stop/start driving pattern, soot loading builds up in the DPF since the ECU is unable to make the necessary small adjustme...

Forte Car Petrol Engine Complete Fuel System Specialist Injector Cleaner
£19.95
Forte Petrol Specialist Injector Cleaner is a complex blend of specially selected cleaning agents which act together to dissolve deposits that are formed in fuel systems which restrict the efficient delivery of fuel to the combustion chambers. Forte Petrol Specialist Injector Cleaner is compatible with all fuel system and engine components, incl...
Enhance engine performance, extend vehicle life, and drive with confidence—explore our premium range of fuel and oil additives.
Whether you're driving a diesel truck, a petrol car, or maintaining high-performance machinery, our collection of fuel and oil additives has everything you need to keep your engine running smoothly. We offer top-rated solutions designed to clean, protect, and optimize your vehicle’s performance across all engine types.
Why Use Fuel & Oil Additives?
Fuel and oil additives are formulated to tackle common engine issues like carbon buildup, friction, corrosion, and fuel inefficiency. These powerful solutions improve fuel combustion, enhance lubrication, and keep your engine components clean—ultimately boosting engine power, fuel economy, and reliability.
Shop By Category:
Diesel Fuel Additives
Keep your diesel engine in peak condition with our specialized additives. From fuel stabilizers to diesel fuel conditioners and lubricity enhancers, these products ensure smoother combustion, better mileage, and reduced emissions.
Petrol Fuel Additives
Protect and maintain your petrol engine with additives that clean injectors, improve fuel flow, and prevent carbon deposits. Our petrol additives are ideal for daily drivers and high-performance petrol cars alike.
Engine Oil Additives
Reduce friction and wear with oil additives that enhance lubrication and maintain optimal oil viscosity. Perfect for extending engine life, reducing noise, and ensuring smoother operation.
Lubricant Additives
Get dual-action protection with additives that improve both fuel and oil performance. Designed for maximum efficiency, our lubricant additives support long-term engine health, especially in demanding driving conditions.
Fuel Stabilizers & Conditioners
Ideal for vehicles in storage or seasonal equipment, these additives prevent fuel degradation and maintain fuel system cleanliness—so your engine starts strong every time.
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