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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

2 x JLM Diesel Catalytic Exhaust Emission Reducer DPF Soot Cleaner Fluid +Caps
£31.39
One of the most common causes of MOT failure is due to poor emissions. A single treatment of JLM Diesel Catalytic Exhaust System Cleaner once added with fuel will, in most cases, quickly cure the original cause of the problem, reducing the emissions to an acceptable level and avoiding expensive repair charges. Reduce emissions and particulate. ...

2 x JLM Petrol Diesel Hybrid Valves Stems Direct Injection Valve Cleaner + Caps
£32.45
An unfortunate consequence of relocating fuel injectors from the intake to the combustion chamber is that the inlet valves especially are not kept clean by fresh petrol washing past them. Due to a combination of crankcase ventilation and exhaust gas recirculation deposits, carbon also builds quickly within the air inlet, effectively suffocating ...

2 x Wynns Diesel Extreme Cleaner Injector Engine Fuel System Professional
£25.55
Wynns Diesel Extreme Injector Cleaner is a diesel fuel additive, which provides a strong one tank clean up of the diesel fuel system. Complete and rapid cleaning of the entire fuel system in one tank filling. Protection of high pressure injection systems (TDI, HDI, etc). Instantly cleans and protects the injectors, restores and maintains ideal ...

4x STP Complete Fuel System Diesel Injector Cleaner Treatment 400ml +Caps
£35.35
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...

2x STP Complete Fuel System Diesel Injector Cleaner Treatment 400ml +Caps
£20.65
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...

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...

2x JLM DPF Regen Plus Diesel Cleaner Regeneration Support 250ml Spray Can + Caps
£28.80
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...

JLM DPF Diesel Particulate Filter Cleaning Spray 400ml Can With Hose + Caps
£28.40
JLM Diesel DPF Spray for automotive professionals removes particulate, carbon and other deposits in dirty diesel particulate filters (DPF) quickly and effectively, without the need to dismantle the filter. Diesel DPF Spray is the fastest and cheapest way to help your client to get back on the road as soon as possible, whilst at the same time pro...

2x STA-BIL Stabil Ethanol Fuel Stabilizer Treatment Petrol 360° Marine 236ml +Caps
£25.75
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...

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 Car Diesel Turbo + AQUA Fuel System + Particulate Filter DPF cleaner + Caps
£34.94
Aqua Diesel System Cleaner Aqua diesel system cleaner has been formulated to remove water from fuel tank and lines prevents bacterial / fungal growth. Lubricates and cleans the entire fuel fuel system. Clean injectors and improve spray patterns. Help to prevent build up of D.P.F blocking particles.. Suitable for use with common rail diesel eng...

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...

2x JLM Diesel DPF Spray Cans 400mL Particulate Filter Cleaner with Hose + Caps
£44.30
JLM Diesel DPF Spray for automotive professionals removes particulate, carbon and other deposits in dirty diesel particulate filters (DPF) quickly and effectively, without the need to dismantle the filter. Diesel DPF Spray is the fastest and cheapest way to help your client to get back on the road as soon as possible, whilst at the same time pro...

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 ...

Forte Advanced Car Petrol Treatment + Engine Oil Flush + Oil System Protector Package
£59.80
Forte Advanced Formula Petrol Treatment 400ml 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 treatmen...

STA-BIL Stabil Fuel Stabilizer Petrol Car Van Fuel Storage Treatment 3.785L +Caps
£59.95
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, ...

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 Diesel Car Fuel System Treatment & DPF Cleaner Regenerator & Turbo Cleaner Package
£59.95
Forte is a name that is synonymous with the very best in effective engine treatments. Forte products are used on a regular basis by over 9,000 garages in the UK and Forte's programmes are now part of the ‘norm’ when it comes to servicing a vehicle. Package Contents 1 x Forte Lubricants Advanced Formula Car Diesel Fuel Treatment - 400ml. 1 x F...

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 Car Rear Main Crankshaft Rubber Seal Oil Leak Conditioner Treatment Tube
£22.95
Forte Seal Conditioner is a synthetic seal treatment which restores the elastomer properties to seals. A major cause of oil burning and exhaust smoking in automotive engines is due to the valve stem seals hardening and shrinking, which results in oil leaking past these seals into the combustion chambers. This condition can be treated by adding F...

Forte Car Van Petrol & Diesel Performance Engine Oil System Protector Treatment
£21.95
Forte Oil System Protector has been specifically formulated to prevent the effects of contamination build-up and crankcase acids within the engine oil system. Extended oil drain periods and stop/start driving conditions place greater demand on engine oils to provide suitable protection on technically sophisticated engines, compromising the engin...
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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