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Best Diesel Additives of 2026
Last updated on 17/06/2026
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1
Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L
Wynn's
Why we love it
Optimized engine operation guaranteed.
Restores engine power instantly.
Delivers ultra-fast results.
Main Highlights
Optimised engine operation
Restoration of engine power
Optimisation of fuel consumption
Improved driver experience
Ultra-fast results!
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9.8
Exceptional
Check Price
9.8
Exceptional
Wynn's
Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L
Check Price
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Why we love it
Optimized engine operation guaranteed.
Restores engine power instantly.
Delivers ultra-fast results.
Main Highlights
Optimised engine operation
Restoration of engine power
Optimisation of fuel consumption
Improved driver experience
Ultra-fast results!
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Value for Money
2
Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)
Archoil
Why we love it
Transforms diesel into Super Fuel.
Ensures maximum engine performance.
Resolves potential engine problems.
Main Highlights
EXCEPTIONAL HIGH-PERFORMING SUPER DIESEL FUEL. AR6900-D MAX converts low-quality supermarket diesel into high-performing Super Diesel Fuel using a carefully selected blend of pure 2-EHN cetane improver, multiple detergents, ester lubricant, stabiliser and combustion catalyst.
HIGHLY CONCENTRATED FORMULATION with no fillers. 100% Active Ingredients and manufactured in the UK. 1ml Treats 1L of Diesel Fuel. 1L bottle treats up to 1,000L of fuel.
TRANSFORMS ALL DIESEL ENGINES GUARANTEED. Improved Cold Start, Eliminates Diesel Knock, Fuel System Cleaner, Fuel Injector Cleaner, Carbon Cleanr, DPF Cleaner, EGR Valve Cleaner, CAT Cleaner, Turbo Cleaner and Exhaust cleaner.
MAXIMUM ENGINE PERFORMANCE AND FUEL ECONOMY. This diesel additive maintains & improves engine pickup, performance and fuel economy. This diesel additive also lowers harmful exhaust emissions and exhaust particulates.
RESOLVES ENGINE PROBLEMS. Multiple detergents and post-combustion fuel-borne catalysts deliver a proprietary blend of Professional Grade Cleaning. Now you can reduce the chance of engine problems while enjoying a smoother and more responsive engine.
CLASS LEADING CETANE IMPROVER AND ESTER LUBRICANT using the highest purity 2-EHN and proprietary ester lubricant delivering below 290 on the HFRR scar wear test.
CUSTOMER SATISFACTION IS OUR PRIORITY. Feel free to contact us if you have any query regarding this diesel cleaner. All Archoil fuel cleaners include professional support and Performance and Emissions Pass Guarantee. Over a decade of success and trusted by professionals.
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9.6
Superb
Check Price
9.6
Superb
Archoil
Archoil AR6900-D Max Advanced Diesel Additive Concentrate, 1L Treats 1,000L of Fuel, Diesel Fuel Injector Cleaner, DPF Filter EGR Valve Turbo Cleaner, Super Diesel Converter. (1Litre)
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Why we love it
Transforms diesel into Super Fuel.
Ensures maximum engine performance.
Resolves potential engine problems.
Main Highlights
EXCEPTIONAL HIGH-PERFORMING SUPER DIESEL FUEL. AR6900-D MAX converts low-quality supermarket diesel into high-performing Super Diesel Fuel using a carefully selected blend of pure 2-EHN cetane improver, multiple detergents, ester lubricant, stabiliser and combustion catalyst.
HIGHLY CONCENTRATED FORMULATION with no fillers. 100% Active Ingredients and manufactured in the UK. 1ml Treats 1L of Diesel Fuel. 1L bottle treats up to 1,000L of fuel.
TRANSFORMS ALL DIESEL ENGINES GUARANTEED. Improved Cold Start, Eliminates Diesel Knock, Fuel System Cleaner, Fuel Injector Cleaner, Carbon Cleanr, DPF Cleaner, EGR Valve Cleaner, CAT Cleaner, Turbo Cleaner and Exhaust cleaner.
MAXIMUM ENGINE PERFORMANCE AND FUEL ECONOMY. This diesel additive maintains & improves engine pickup, performance and fuel economy. This diesel additive also lowers harmful exhaust emissions and exhaust particulates.
RESOLVES ENGINE PROBLEMS. Multiple detergents and post-combustion fuel-borne catalysts deliver a proprietary blend of Professional Grade Cleaning. Now you can reduce the chance of engine problems while enjoying a smoother and more responsive engine.
CLASS LEADING CETANE IMPROVER AND ESTER LUBRICANT using the highest purity 2-EHN and proprietary ester lubricant delivering below 290 on the HFRR scar wear test.
CUSTOMER SATISFACTION IS OUR PRIORITY. Feel free to contact us if you have any query regarding this diesel cleaner. All Archoil fuel cleaners include professional support and Performance and Emissions Pass Guarantee. Over a decade of success and trusted by professionals.
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3
Millers Oils 2 X Diesel Power Ecomax 500ml, Fuel Additive Treatment
Millers Oils
Why we love it
Boosts vehicle performance significantly.
Ensure cleaner, efficient combustion.
Reliable brand in auto accessories.
Main Highlights
Millers Oils 2 X Diesel Power Ecomax 500ml Fuel Additive Treatment
Brand : Millers Oils
Product type: AUTO ACCESSORY
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9.4
Superb
Check Price
9.4
Superb
Millers Oils
Millers Oils 2 X Diesel Power Ecomax 500ml, Fuel Additive Treatment
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Why we love it
Boosts vehicle performance significantly.
Ensure cleaner, efficient combustion.
Reliable brand in auto accessories.
Main Highlights
Millers Oils 2 X Diesel Power Ecomax 500ml Fuel Additive Treatment
Brand : Millers Oils
Product type: AUTO ACCESSORY
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4
Hydra DPB-100 Diesel Power Blast - Diesel Fuel System Cleaner | Diesel Injector Cleaner with Diesel Fuel Additive | 1 Litre Treats 1,000L
HYDRA
Why we love it
Boosts fuel and engine performance.
Ideal for extensive diesel use.
Ensures customer satisfaction guarantee.
Main Highlights
Inexpensive Quality Product: Hydra DBP-100 is a diesel additive that helps in Diesel cleaning. This fuel injector cleaner turns the cheapest fuel into premium fuel, but at a much better cost than buying at a filling station. Perfect for cold starting, smoother engine with better pick-up with reduced diesel knock, smoke and harmful emissions.
Extensive use: DBP-100 DIESEL FUEL INJECTOR CLEANER is for diesel engines. It is a diesel cleaner and fuel stabiliser, that contains cetane booster, and lubricants. It also contains detergents that clean fuel lines, pumps, injectors, fantastic turbo diesel cleaner, EGR valves, helps keep DPF clean
Exceptional Performance: Hydra DBP-100 is a high performance cleaning diesel Injector additive. Hydra uses polyetheramine, which creates the best diesel injector cleaner; that removes existing carbon deposits and prevents new formation. It helps restore engine performance and power to as new.
Perfect Lubricant: The dpf cleaner diesel and regenerator helps in decreased fuel pump, injector and cylinder wear issues. It is low in sulphur and works at low temperatures. The diesel injector cleaner also helps to improve fuel economy. Giving an HFRR wear profile of less than 300.
Customer Satisfaction: Hydra DBP-100 ensure 100% customer satisfaction for all their products. In case of any query related to the diesel injector cleaner, feel free to contact us. We will try providing a solution to our best capacity.
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9.3
Superb
Check Price
9.3
Superb
HYDRA
Hydra DPB-100 Diesel Power Blast - Diesel Fuel System Cleaner | Diesel Injector Cleaner with Diesel Fuel Additive | 1 Litre Treats 1,000L
Check Price
Show More
Why we love it
Boosts fuel and engine performance.
Ideal for extensive diesel use.
Ensures customer satisfaction guarantee.
Main Highlights
Inexpensive Quality Product: Hydra DBP-100 is a diesel additive that helps in Diesel cleaning. This fuel injector cleaner turns the cheapest fuel into premium fuel, but at a much better cost than buying at a filling station. Perfect for cold starting, smoother engine with better pick-up with reduced diesel knock, smoke and harmful emissions.
Extensive use: DBP-100 DIESEL FUEL INJECTOR CLEANER is for diesel engines. It is a diesel cleaner and fuel stabiliser, that contains cetane booster, and lubricants. It also contains detergents that clean fuel lines, pumps, injectors, fantastic turbo diesel cleaner, EGR valves, helps keep DPF clean
Exceptional Performance: Hydra DBP-100 is a high performance cleaning diesel Injector additive. Hydra uses polyetheramine, which creates the best diesel injector cleaner; that removes existing carbon deposits and prevents new formation. It helps restore engine performance and power to as new.
Perfect Lubricant: The dpf cleaner diesel and regenerator helps in decreased fuel pump, injector and cylinder wear issues. It is low in sulphur and works at low temperatures. The diesel injector cleaner also helps to improve fuel economy. Giving an HFRR wear profile of less than 300.
Customer Satisfaction: Hydra DBP-100 ensure 100% customer satisfaction for all their products. In case of any query related to the diesel injector cleaner, feel free to contact us. We will try providing a solution to our best capacity.
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5
WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (3 UNIT)
WOL WORLD OF LUBRICANT
Why we love it
Restores engine performance effectively.
Cleans and lubricates fuel system.
Reduces emissions and fuel consumption.
Main Highlights
DIESEL FUEL SYSTEM CLEANER Improves fuel stability and reduce diesel emission and restore engine performance. Also help to keep both the injectors and fuel system clean and efficient.
REMOVES ALL TYPES OF DEPOSITS and contaminations and removes moisture from the fuel system. Cleans injector nozzles, inlet valves and combustion chamber. Increase performance and prolonged life span creating the most benefits from your car.
RESTORES ENGINE POWER and reduces fuel consumption. Also forms ceramic anti-wear coating on the fuel equipment parts. Help to lubricate the pumps and injectors and compensate for the reduced lubrication of low sulphur diesel.
DIESEL INJECTOR CLEANER AND FUEL STABILIZER cleans and restores diesel particulate filters and hastens the speed of soot burn-out, eliminating high temperature requirements.
CAR CARE This Diesel fuel additive is specialized fuel injector cleaner, carbon deposit remover, fuel lubricant and stabilise diesel fuel that guarantees low fuel consumption with high wear resistance.
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9.2
Superb
Check Price
9.2
Superb
WOL WORLD OF LUBRICANT
WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (3 UNIT)
Check Price
Show More
Why we love it
Restores engine performance effectively.
Cleans and lubricates fuel system.
Reduces emissions and fuel consumption.
Main Highlights
DIESEL FUEL SYSTEM CLEANER Improves fuel stability and reduce diesel emission and restore engine performance. Also help to keep both the injectors and fuel system clean and efficient.
REMOVES ALL TYPES OF DEPOSITS and contaminations and removes moisture from the fuel system. Cleans injector nozzles, inlet valves and combustion chamber. Increase performance and prolonged life span creating the most benefits from your car.
RESTORES ENGINE POWER and reduces fuel consumption. Also forms ceramic anti-wear coating on the fuel equipment parts. Help to lubricate the pumps and injectors and compensate for the reduced lubrication of low sulphur diesel.
DIESEL INJECTOR CLEANER AND FUEL STABILIZER cleans and restores diesel particulate filters and hastens the speed of soot burn-out, eliminating high temperature requirements.
CAR CARE This Diesel fuel additive is specialized fuel injector cleaner, carbon deposit remover, fuel lubricant and stabilise diesel fuel that guarantees low fuel consumption with high wear resistance.
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6
Millers Oils Diesel Power Ecomax Fuel Additive Treatment 500ml 0.5L NEW IMPROVED
Millers Oils
9.0
Superb
Check Price
9.0
Superb
Millers Oils
Millers Oils Diesel Power Ecomax Fuel Additive Treatment 500ml 0.5L NEW IMPROVED
Check Price
7
LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1
Liqui Moly
Why we love it
Smoother engine performance guaranteed.
Certified effectiveness with TÜV Thüringen.
Extends engine's lifespan significantly.
Main Highlights
SMOOTHER ENGINE PERFORMANCE FROM VERY FIRST USE: An engine additive formulated with high-tech ceramic compounds, high thermal resilience. Additive ensures smoother-running engine, extending the engine’s lifespan. Can be used with manual & automatic transmissions. Not suitable for use with wet clutches.
LOWER FUEL CONSUMPTION and diminished emission of pollutants due to smoother engine operation.
EASY TO ADD DURING OIL CHANGES: The 300 ml bottle is sufficient for up to 5 liters of engine oil. Shake well before use and add to fresh oil. Can be mixed with all gear & engine oils on the market. Long-lasting performance, up to 50,000 km.
CERTIFIED EFFECTIVENESS proven by TÜV Thüringen: Chemical components in Cera Tec smooth out rough surfaces, the ceramic particles fill in uneven surface imperfections. Prevents direct contact of all metal parts, reducing friction and wear & tear. Turbo & Cat tested.
EVERYTHING THAT DRIVES WORKS BETTER WITH LIQUI MOLY: We manufacture over 4,000 products: engine oils, additives, vehicle care, chemical servicing and repair, adhesives and sealing products. Our products are currently distributed to over 150 countries worldwide. They are popular everywhere, ensuring a superior driving experience and improved engine performance.
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8.9
Excellent
Check Price
8.9
Excellent
Liqui Moly
LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1
Check Price
Show More
Why we love it
Smoother engine performance guaranteed.
Certified effectiveness with TÜV Thüringen.
Extends engine's lifespan significantly.
Main Highlights
SMOOTHER ENGINE PERFORMANCE FROM VERY FIRST USE: An engine additive formulated with high-tech ceramic compounds, high thermal resilience. Additive ensures smoother-running engine, extending the engine’s lifespan. Can be used with manual & automatic transmissions. Not suitable for use with wet clutches.
LOWER FUEL CONSUMPTION and diminished emission of pollutants due to smoother engine operation.
EASY TO ADD DURING OIL CHANGES: The 300 ml bottle is sufficient for up to 5 liters of engine oil. Shake well before use and add to fresh oil. Can be mixed with all gear & engine oils on the market. Long-lasting performance, up to 50,000 km.
CERTIFIED EFFECTIVENESS proven by TÜV Thüringen: Chemical components in Cera Tec smooth out rough surfaces, the ceramic particles fill in uneven surface imperfections. Prevents direct contact of all metal parts, reducing friction and wear & tear. Turbo & Cat tested.
EVERYTHING THAT DRIVES WORKS BETTER WITH LIQUI MOLY: We manufacture over 4,000 products: engine oils, additives, vehicle care, chemical servicing and repair, adhesives and sealing products. Our products are currently distributed to over 150 countries worldwide. They are popular everywhere, ensuring a superior driving experience and improved engine performance.
Show More
8
Archoil AR6400-D MAX Pro DPF Cleaner Diesel - Diesel Injector and Particulate Filter Treatment - Fuel System Cleaner - EGR, Turbo and Emissions Additive for MOT Pass - 400ml Concentrate
Archoil
Why we love it
Improves fuel economy significantly.
Ensures thorough engine cleaning.
Offers full ester lubrication.
Main Highlights
High-Strength Concentrate: 400ml treats 40 to 80 litres of diesel fuel in a single tank treatment, making it one of the most cost-effective professional strength additives available. Cleans the entire fuel system in 1 application: DPF, EGR valve, fuel injectors, fuel pump, fuel lines, turbo, catalytic converter, combustion chamber, and glow plugs. Compatible with all diesel engines, including vehicles fitted with anti-misfuel filler neck protectors.
DPF and EGR Cleaning: Helps clean DPF deposits and restore exhaust flow; frees problematic EGR valves clogged with carbon buildup; rapidly reduces harmful exhaust emissions and unwanted black smoke from the exhaust. Regular use helps prevent future carbon accumulation in the DPF and exhaust system. Designed to help lower emissions ahead of MOT testing, making it a practical choice for pre-test diesel maintenance and ongoing vehicle care.
Restores Engine Performance: Directly addresses rough idle, hesitation, power loss, and sluggish throttle response caused by carbon deposit buildup in the fuel system. Effective on high-mileage diesel engines where years of accumulated deposits have degraded performance. Helps restore lost fuel economy by cleaning fuel injectors and combustion chamber. Also cleans turbo carbon deposits to help recover boost response. Works as you drive with no tools required.
Advanced Proprietary Formulation: Fuel System Detergent, Carbon Cleaner, Nano Fuel Borne Catalyst, 2-EHN Cetane Improver, and Ester Lubricant. Includes the highest purity 2-EHN cetane improver for smoother cold starts and reduced combustion noise. Ester lubricant protects fuel pump and injectors against wear.
Simple to Use: Pour directly into the fuel tank before refuelling. Works as you drive with no tools or mechanical knowledge required. Add to fuel tank as part of regular diesel maintenance to keep DPF, EGR, and fuel system clean over time. Includes a secure pour spout designed to fit standard diesel filler necks, including anti-misfuel protectors. Professional-grade formulation developed and manufactured in the UK. Trusted by professional mechanics and fleet operators for over a decade.
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8.8
Excellent
Check Price
8.8
Excellent
Archoil
Archoil AR6400-D MAX Pro DPF Cleaner Diesel - Diesel Injector and Particulate Filter Treatment - Fuel System Cleaner - EGR, Turbo and Emissions Additive for MOT Pass - 400ml Concentrate
Check Price
Show More
Why we love it
Improves fuel economy significantly.
Ensures thorough engine cleaning.
Offers full ester lubrication.
Main Highlights
High-Strength Concentrate: 400ml treats 40 to 80 litres of diesel fuel in a single tank treatment, making it one of the most cost-effective professional strength additives available. Cleans the entire fuel system in 1 application: DPF, EGR valve, fuel injectors, fuel pump, fuel lines, turbo, catalytic converter, combustion chamber, and glow plugs. Compatible with all diesel engines, including vehicles fitted with anti-misfuel filler neck protectors.
DPF and EGR Cleaning: Helps clean DPF deposits and restore exhaust flow; frees problematic EGR valves clogged with carbon buildup; rapidly reduces harmful exhaust emissions and unwanted black smoke from the exhaust. Regular use helps prevent future carbon accumulation in the DPF and exhaust system. Designed to help lower emissions ahead of MOT testing, making it a practical choice for pre-test diesel maintenance and ongoing vehicle care.
Restores Engine Performance: Directly addresses rough idle, hesitation, power loss, and sluggish throttle response caused by carbon deposit buildup in the fuel system. Effective on high-mileage diesel engines where years of accumulated deposits have degraded performance. Helps restore lost fuel economy by cleaning fuel injectors and combustion chamber. Also cleans turbo carbon deposits to help recover boost response. Works as you drive with no tools required.
Advanced Proprietary Formulation: Fuel System Detergent, Carbon Cleaner, Nano Fuel Borne Catalyst, 2-EHN Cetane Improver, and Ester Lubricant. Includes the highest purity 2-EHN cetane improver for smoother cold starts and reduced combustion noise. Ester lubricant protects fuel pump and injectors against wear.
Simple to Use: Pour directly into the fuel tank before refuelling. Works as you drive with no tools or mechanical knowledge required. Add to fuel tank as part of regular diesel maintenance to keep DPF, EGR, and fuel system clean over time. Includes a secure pour spout designed to fit standard diesel filler necks, including anti-misfuel protectors. Professional-grade formulation developed and manufactured in the UK. Trusted by professional mechanics and fleet operators for over a decade.
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9
STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml , Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK
STP
33% Off
Why we love it
Boosts fuel system cleaning.
Recovers peak engine performance.
Offers superior engine protection.
Main Highlights
What You'll Get - 400 ml Diesel Fuel System Cleaner
Concentrated Cleaning Power - Cleans and conditions the entire fuel delivery system in one tank
Restores Power and Performance - Recovers peak engine performance by removing harmful deposits
Protects Your Engine - Reduces friction and protects key engine parts from wear and corrosion
Reduces Diesel consumption and exhaust emissions - promotes better fuel economy
Show More
8.7
Excellent
Check Price
8.7
Excellent
STP
STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml , Restores Power and Protects your Engine, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK
33% Off
Check Price
Show More
Why we love it
Boosts fuel system cleaning.
Recovers peak engine performance.
Offers superior engine protection.
Main Highlights
What You'll Get - 400 ml Diesel Fuel System Cleaner
Concentrated Cleaning Power - Cleans and conditions the entire fuel delivery system in one tank
Restores Power and Performance - Recovers peak engine performance by removing harmful deposits
Protects Your Engine - Reduces friction and protects key engine parts from wear and corrosion
Reduces Diesel consumption and exhaust emissions - promotes better fuel economy
Show More
10
STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK
STP
Why we love it
Cleans and restores performance.
Lowers exhaust emissions.
Reduces rough idling.
Main Highlights
STP Diesel Bundle contains STP Diesel Injector Cleaner 200ml and STP Ultra 5-in-1 Diesel System Cleaner 400ml
Cleans & Unclogs: Powerful STP Diesel Injector Cleaner clears dirty injectors with just one treatment
Restores Performance: STP Ultra 5-in-1 System Cleaner is our most advanced diesel formula, helping to remove deposits and clear dirty injectors
Lowers Emissions: A cleaner engine may mean less exhaust emissions and lower fuel consumption
For All Diesel Engines: Suitable for all diesel engines including DI, IDI and common rail, and catalytic converters
Quick & Easy: Simply pour the entire bottle of STP Diesel Injector Cleaner or STP Diesel System Cleaner into a full tank
Reduces Rough Idling: For a smoother engine experience
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8.7
Excellent
Check Price
8.7
Excellent
STP
STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK
Check Price
Show More
Why we love it
Cleans and restores performance.
Lowers exhaust emissions.
Reduces rough idling.
Main Highlights
STP Diesel Bundle contains STP Diesel Injector Cleaner 200ml and STP Ultra 5-in-1 Diesel System Cleaner 400ml
Cleans & Unclogs: Powerful STP Diesel Injector Cleaner clears dirty injectors with just one treatment
Restores Performance: STP Ultra 5-in-1 System Cleaner is our most advanced diesel formula, helping to remove deposits and clear dirty injectors
Lowers Emissions: A cleaner engine may mean less exhaust emissions and lower fuel consumption
For All Diesel Engines: Suitable for all diesel engines including DI, IDI and common rail, and catalytic converters
Quick & Easy: Simply pour the entire bottle of STP Diesel Injector Cleaner or STP Diesel System Cleaner into a full tank
Reduces Rough Idling: For a smoother engine experience
Show More
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