Free delivery When you spend £25

20,000+ products Now available

500+ UK Branches

Back to Automotive

Fuel Additives

Browse our selection of affordable fuel additives, with products available from many trusted brands. If you’re looking for anti-freeze, coolant, power steering fluid or injector cleaner, we’ve got plenty of options to choose from at Toolstation. Whether your car runs on diesel or petrol, you can find the proper fuel additives to improve your car’s performance and longevity when you browse our selection below. Fuel Injector Cleaners Fuel injector cleaners are liquid solvents that can be used to improve your car’s performance. They work by cleaning out any residue in the fuel system and will help your engine run smoothly. Depending on which fuel your vehicle runs on, you can choose diesel injector cleaner or petrol injector cleaner. Simply pour injector cleaner into the fuel tank when it is nearly empty to achieve optimal results.

See also

Products per page:

Sort:

View

Filter by

Redex Redex AdBlue 10L - 54632 - from Toolstation

( 200 )

Product code: 54632 Redex AdBlue 10L

£9.99

ex. VAT £8.32

Each

Easy pour solution. Reduces NOX emissions by up to 80%. ...Read more

qty

Select from 1 variation

Redex Redex Diesel Particulate Filter Cleaner 250ml - 28252 - from Toolstation

( 11 )

Product code: 28252 Redex Diesel Particulate Filter Cleaner 250ml

£4.64 was £5.49

ex. VAT £3.87

Each

DPF cleaner quickly clears blocked diesel particulate f ...Read more

qty

Redex Redex Diesel System Cleaner Diesel 250ml - 85848 - from Toolstation

( 9 )

Product code: 85848 Redex Diesel System Cleaner Diesel 250ml

£3.59 was £4.49

ex. VAT £2.99

Each

Redex Diesel System Cleaner is a fuel additive that cle ...Read more

qty

Select from 1 variation

Bradex Bradex Easystart 300ml - 38028 - from Toolstation

( 63 )

Product code: 38028 Bradex Easystart 300ml

£4.49

ex. VAT £3.74

Each

Assists engine starting, whatever the weather. Suitable ...Read more

qty

Prestone Prestone Antifreeze / Coolant Ready To Use 4L - 72674 - from Toolstation

( 7 )

Product code: 72674 Prestone Antifreeze / Coolant Ready To Use 4L

£14.99

ex. VAT £12.49

Each

This antifreeze/coolant from Prestone provides corrosio ...Read more

qty

Select from 1 variation

Prestone Prestone Antifreeze / Coolant Ready To Use 1L - 72323 - from Toolstation

( 7 )

Product code: 72323 Prestone Antifreeze / Coolant Ready To Use 1L

£4.99

ex. VAT £4.16

Each

Corrosion protection for 300,000 miles/10 years guarant ...Read more

qty

Select from 1 variation

Prestone Prestone Power Steering Fluid 355ml - 32423 - from Toolstation

( 4 )

Product code: 32423 Prestone Power Steering Fluid 355ml

£3.39 was £3.99

ex. VAT £2.82

Each

Prevents corrosion to extend the life of power steering ...Read more

qty

Redex Redex Petrol System Cleaner Petrol 250ml - 35263 - from Toolstation

( 11 )

Product code: 35263 Redex Petrol System Cleaner Petrol 250ml

£3.59 was £4.49

ex. VAT £2.99

Each

Cleans fuel system. Reduces emissions. Restores perform ...Read more

qty

Select from 1 variation

Holts Holts Radweld 250ml - 12640 - from Toolstation

( 4 )

Product code: 12640 Holts Radweld 250ml

£3.99

ex. VAT £3.32

Each

The advanced formula targets radiator leaks, sealing th ...Read more

qty

Unbranded Fuel Treatment Diesel 325ml - 75916 - from Toolstation

( 53 )

Product code: 75916 Fuel Treatment Diesel 325ml

£4.29

ex. VAT £3.57

Each

Helps prevent blocking deposits. Opens clogged injector ...Read more

qty

Select from 1 variation

Unbranded Engine Flush 350ml - 72043 - from Toolstation

( 19 )

Product code: 72043 Engine Flush 350ml

£2.98

ex. VAT £2.48

Each

Cleans sticky valves, lifters and piston rings. Neutral ...Read more

qty

Holts Holts Speedflush 250ml - 51642 - from Toolstation

( 1 )

Product code: 51642 Holts Speedflush 250ml

£3.99

ex. VAT £3.32

Each

Flushing out harmful scale and deposits will prevent ov ...Read more

qty

Unbranded Fuel Treatment Petrol 325ml - 78998 - from Toolstation

( 23 )

Product code: 78998 Fuel Treatment Petrol 325ml

£4.29

ex. VAT £3.57

Each

Helps prevent blocking deposits. Opens clogged injector ...Read more

qty

Select from 1 variation

Hey, browse our site often?

ADD TO HOME SCREEN