BEST DEALS THIS WEEK

10 Best Diesel Fuel Additives - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy Fuel Additives For Diesel Engines, Suitable For Hybrids

Redex Diesel Fuel System Cleaner 250ml, Diesel Additives To Remove Harmful Emissions, Maximise Performance & Increase Fuel Economy Fuel Additives For Diesel Engines, Suitable For Hybrids

Redex

9.8

9.8

CHECK PRICE

Show More

MORE DEALS (1)

2

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 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

9.6

9.6

CHECK PRICE

Show More

MORE DEALS (1)

3

Wynn's Extreme Diesel System Cleaner - Deep Cleaning Engine Treatment - Restores Fuel Economy & Reduces Emissions - Prevents Turbo, EGR Valve & DPF Issues - 325ml

Wynn's Extreme Diesel System Cleaner - Deep Cleaning Engine Treatment - Restores Fuel Economy & Reduces Emissions - Prevents Turbo, EGR Valve & DPF Issues - 325ml

Wynn's

9.5

9.5

CHECK PRICE

Show More

MORE DEALS (1)

4

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 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

9.2

9.2

CHECK PRICE

Show More

MORE DEALS (1)

5

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 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

9.1

9.1

CHECK PRICE

Show More

MORE DEALS (1)

6

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 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

8.8

8.8

CHECK PRICE

Show More

MORE DEALS (1)

7

Dipetane 1L Fuel Additive | Improve Fuel Economy | Reduce Emmisions | Helps keep DPF Clean Diesel and Petrol | Flush and clean Engine, Injector and EGR valve- Treats 200L of Fuel

Dipetane 1L Fuel Additive | Improve Fuel Economy | Reduce Emmisions | Helps keep DPF Clean Diesel and Petrol | Flush and clean Engine, Injector and EGR valve- Treats 200L of Fuel

DIPETANE

8.6

8.6

CHECK PRICE

Show More

MORE DEALS (1)

8

Wynn's High Performance Diesel Fuel System Treatment - Enhances Combustion, Improves Acceleration, Reduces Fuel Consumption & Black Smoke - 500ml

Wynn's High Performance Diesel Fuel System Treatment - Enhances Combustion, Improves Acceleration, Reduces Fuel Consumption & Black Smoke - 500ml

Wynn's

8.4

8.4

CHECK PRICE

Show More

MORE DEALS (1)

9

WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (1 UNIT)

WOL Diesel Additive Injector Cleaner Liqui Moly Super Diesel Additive 250ml - Fuel System Cleaner - DPF Cleaner Diesel 1806 - Diesel Particulate Filter Cleaner (1 UNIT)

WOL WORLD OF LUBRICANT

8.2

8.2

CHECK PRICE

Show More

MORE DEALS (1)

10

Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L

Wynn's Diesel Power 7 Complete Action Fuel Additive Optimises Engine Performance 1L

Wynn's

8.1

8.1

CHECK PRICE

Show More

MORE DEALS (1)