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Fuel & Oil Additives

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

STP Ultra 5in1 Car SUV PETROL Engine Fuel System Cleaner Power Booster Treatment
STP Ultra 5in1 Car SUV PETROL Engine Fuel System Cleaner Power Booster Treatment
£13.88
{"id":4699773272161,"title":"STP Ultra 5in1 Car SUV PETROL Engine Fuel System Cleaner Power Booster Treatment","handle":"stp-ultra-5in1-car-suv-petrol-engine-fuel-system-cleaner-power-booster-treatment","description":"\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe most advanced formula with STP Wearguard.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRestores peak performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInhibits corrosion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrevents hard starts and engine hesitation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduces friction and emissions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved lubricity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleans deposits.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSave fuel. Use every 4000 miles.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFor Regular, Unleaded and Bio Petrol.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan\u003eEngineered with a special blend of high performance detergents and lubricity improver, STP Ultra 5in1 is our most advanced formula. Designed to bring out the best in your car, STP Ultra 5in1 helps restore the performance you once enjoyed. So if you would like to enhance your engine and give your car the ultimate clean up resulting in more miles to the gallon, STP Ultra 5in1 is the perfect product for you and your vehicle.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cu\u003e\u003cb\u003eDirections\u003c\/b\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eSimply add to your fuel tank every 4000 miles.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cb\u003e\u003cu\u003eIs It Safe To Use In My Vehicle\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eSTP Ultra 5in1 Petrol System Cleaner is suitable for all classic modern engines and catalytic converters.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cu\u003e\u003cb\u003ePlease Note\u003c\/b\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePerfect for giving your fuel system the ultimate clean up with added protection and power booster.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cu\u003e\u003cb\u003eHow Does The STP Ultra 5in1 Petrol System Cleaner Work?\u003c\/b\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eSTP Ultra 5in1 Petrol System Cleaner is engineered with a special blend of high performance detergents to help clean your fuel delivery system, corrosion inhibitors to protect it and power boosters to give your vehicle extra 'oomph'. Once added to your fuel delivery system it works its way through, removing built up deposits. STP Wearguard coats cylinder walls reducing friction to ensure the engine runs as efficiently as possible.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003e\u003cu\u003eI Have Used STP Complete Fuel System Cleaner, Do I still Need To Use STP Ultra 5in1 Petrol System Cleaner?\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWe would recommend STP Ultra 5in1 Petrol System Cleaner is used as an alternative to STP Complete Fuel System Cleaner. It does, however, provide added benefits such as power booster, corrosion inhibitor and STP Wearguard.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003e\u003cu\u003eWhat Is STP Wearguard?\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe introduction of Ultra Low Sulphur Diesels has adversely affected the natural lubricity of diesel fuels. With this lack of natural lubricity, diesel fuel pumps and injectors can see premature wear, affecting engine performance in the process. STP WEARGUARD technology will help restore the lost natural lubrication.\u003c\/span\u003e\u003c\/div\u003e","published_at":"2020-07-10T13:32:21+01:00","created_at":"2020-07-10T13:32:20+01:00","vendor":"STP","type":"Vehicle Fuel System Cleaners","tags":["Brand_STP","Price Range_£1 - £20","Type_Petrol Fuel Additives"],"price":1388,"price_min":1388,"price_max":1388,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32535345201249,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"76400EN","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"STP Ultra 5in1 Car SUV PETROL Engine Fuel System Cleaner Power Booster Treatment","public_title":null,"options":["Default Title"],"price":1388,"weight":33000,"compare_at_price":null,"inventory_quantity":25,"inventory_management":"shopify","inventory_policy":"deny","barcode":"5020144800125","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner.jpg?v=1594384342","\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner3.jpg?v=1594384342","\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner2.jpg?v=1594384342"],"featured_image":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner.jpg?v=1594384342","options":["Title"],"media":[{"alt":null,"id":7791626453089,"position":1,"preview_image":{"aspect_ratio":1.0,"height":900,"width":900,"src":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner.jpg?v=1594384342"},"aspect_ratio":1.0,"height":900,"media_type":"image","src":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner.jpg?v=1594384342","width":900},{"alt":null,"id":7791626485857,"position":2,"preview_image":{"aspect_ratio":1.0,"height":900,"width":900,"src":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner3.jpg?v=1594384342"},"aspect_ratio":1.0,"height":900,"media_type":"image","src":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner3.jpg?v=1594384342","width":900},{"alt":null,"id":7791626518625,"position":3,"preview_image":{"aspect_ratio":1.0,"height":900,"width":900,"src":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner2.jpg?v=1594384342"},"aspect_ratio":1.0,"height":900,"media_type":"image","src":"\/\/www.acc4u.co.uk\/cdn\/shop\/products\/STPPetrolSystemCleaner2.jpg?v=1594384342","width":900}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe most advanced formula with STP Wearguard.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRestores peak performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInhibits corrosion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrevents hard starts and engine hesitation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduces friction and emissions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved lubricity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCleans deposits.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSave fuel. Use every 4000 miles.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFor Regular, Unleaded and Bio Petrol.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan\u003eEngineered with a special blend of high performance detergents and lubricity improver, STP Ultra 5in1 is our most advanced formula. Designed to bring out the best in your car, STP Ultra 5in1 helps restore the performance you once enjoyed. So if you would like to enhance your engine and give your car the ultimate clean up resulting in more miles to the gallon, STP Ultra 5in1 is the perfect product for you and your vehicle.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cu\u003e\u003cb\u003eDirections\u003c\/b\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eSimply add to your fuel tank every 4000 miles.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cb\u003e\u003cu\u003eIs It Safe To Use In My Vehicle\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eSTP Ultra 5in1 Petrol System Cleaner is suitable for all classic modern engines and catalytic converters.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cu\u003e\u003cb\u003ePlease Note\u003c\/b\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePerfect for giving your fuel system the ultimate clean up with added protection and power booster.  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cu\u003e\u003cb\u003eHow Does The STP Ultra 5in1 Petrol System Cleaner Work?\u003c\/b\u003e\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eSTP Ultra 5in1 Petrol System Cleaner is engineered with a special blend of high performance detergents to help clean your fuel delivery system, corrosion inhibitors to protect it and power boosters to give your vehicle extra 'oomph'. Once added to your fuel delivery system it works its way through, removing built up deposits. STP Wearguard coats cylinder walls reducing friction to ensure the engine runs as efficiently as possible.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003e\u003cu\u003eI Have Used STP Complete Fuel System Cleaner, Do I still Need To Use STP Ultra 5in1 Petrol System Cleaner?\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWe would recommend STP Ultra 5in1 Petrol System Cleaner is used as an alternative to STP Complete Fuel System Cleaner. It does, however, provide added benefits such as power booster, corrosion inhibitor and STP Wearguard.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cb\u003e\u003cu\u003eWhat Is STP Wearguard?\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe introduction of Ultra Low Sulphur Diesels has adversely affected the natural lubricity of diesel fuels. With this lack of natural lubricity, diesel fuel pumps and injectors can see premature wear, affecting engine performance in the process. STP WEARGUARD technology will help restore the lost natural lubrication.\u003c\/span\u003e\u003c\/div\u003e"}
STP Ultra 5in1 Car SUV PETROL Engine Fuel System Cleaner Power Booster Treatment

STP Ultra 5in1 Car SUV PETROL Engine Fuel System Cleaner Power Booster Treatment

£13.88

The most advanced formula with STP Wearguard. Restores peak performance. Inhibits corrosion. Prevents hard starts and engine hesitation. Reduces friction and emissions. Improved lubricity. Cleans deposits. Save fuel. Use every 4000 miles. For Regular, Unleaded and Bio Petrol. Engineered with a special blend of high performance detergents and l...

More Info

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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