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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.
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Holts
Holts / Holts Radweld
( 25 )
Product code: 12640
Holts Radweld 250ml
ex. VAT
Each

The advanced formula targets radiator leaks, seali Read more

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Holts
Holts / Holts Speedflush
( 13 )
Product code: 51642
Holts Speedflush 250ml
ex. VAT
Each

Flushing out harmful scale and deposits will preve Read more

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Prestone
Prestone / Prestone Power Steering Fluid
( 28 )
Product code: 32423
Prestone Power Steering Fluid 355ml
ex. VAT
Each

Prevents corrosion to extend the life of power ste Read more

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Prestone
Prestone / Prestone Antifreeze / Coolant Ready To Use
( 72 )
Product code: 72323
Prestone Antifreeze / Coolant Ready To Use 1L
ex. VAT
Each

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

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Prestone
Prestone / Prestone Antifreeze / Coolant Ready To Use
( 60 )
Product code: 72674
Prestone Antifreeze / Coolant Ready To Use 4L
ex. VAT
Each

This antifreeze/coolant from Prestone provides cor Read more

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Silverhook
Silverhook / Silverhook AdBlue
( 3 )
Product code: 42875
Silverhook AdBlue 10L
ex. VAT
Each

AdBlue 10 Litre bottle, comes with an internal spo Read more

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Redex
Redex / Redex AdBlue
( 507 )
Product code: 54632
Redex AdBlue 10L
ex. VAT
Each

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

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Redex
Redex / Redex System Cleaner
( 29 )
Product code: 35263
Redex System Cleaner Petrol 250ml
ex. VAT
Each

Cleans fuel system. Reduces emissions. Restores pe Read more

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Redex
Redex / Redex Diesel Particulate Filter Cleaner
( 65 )
Product code: 28252
Redex Diesel Particulate Filter Cleaner 250ml
ex. VAT
Each

DPF cleaner quickly clears blocked diesel particul Read more

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Silverhook
Silverhook / Fuel Treatment
( 62 )
Product code: 75916
Fuel Treatment Diesel 325ml
ex. VAT
Each

Helps prevent blocking deposits. Opens clogged inj Read more

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Redex
Redex / Redex System Cleaner
( 33 )
Product code: 85848
Redex System Cleaner Diesel 250ml
ex. VAT
Each

Redex Diesel System Cleaner is a fuel additive tha Read more

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Silverhook
Silverhook / Engine Flush
( 21 )
Product code: 72043
Engine Flush 350ml
ex. VAT
Each

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

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Silverhook
Silverhook / Fuel Treatment
( 29 )
Product code: 78998
Fuel Treatment Petrol 325ml
ex. VAT
Each

Helps prevent blocking deposits. Opens clogged inj Read more

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Holts
Holts / Bradex Easystart
20% Off
( 96 )
Product code: 38028
Bradex Easystart 300ml
ex. VAT
Each

Assists engine starting, whatever the weather. Sui Read more

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