Additives & Cleaners

Additives and cleaners: petrol and diesel fuel system cleaners, DPF cleaner and emissions treatments for an MOT, engine flush, oil treatments, lead substitute for classic cars, MAF sensor cleaner, brake cleaner, air-conditioning sanitiser and heavy-duty degreaser, mostly in 200ml to 500ml bottles.

Wynn’s, Forté, Cataclean, NAPA, Lucas Oil, STP, Gunk and Holts are all here. Order by 1pm Monday to Friday for next-day UK delivery, or collect from the counter in Bulwell, Nottingham.

Showing 49–72 of 102 results

Wynn’s 51668 Diesel Injector Cleaner Fuel Additive 325ml
£7.49 inc. VAT
- Cleans diesel injectors
- Restores injector spray pattern
- Improves fuel combustion
- Reduces exhaust emissions
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Wynn’s 71867 325ml Dry Fuel Additive Water Remover Petrol Diesel Anti-Freeze
£9.69 inc. VAT
- Absorbs and disperses water from the fuel system
- Prevents fuel line freezing and icing
- Protects against rust and corrosion in fuel components
- Improves cold starting and engine performance
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Wynn’s Injector Cleaner for Petrol Engines 325ml Fuel System Additive Treatment
£6.79 inc. VAT
- Added to the fuel tank
- Cleans injectors and the fuel system
- Multi-functional treatment for petrol injection fuel systems
- Cleans injectors and pump, restores spray pattern
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Wynn’s Crystal Clean & Protect AdBlue Additive 125ml
£8.69 inc. VAT
- Additive for AdBlue (SCR) systems on diesel vehicles
- Helps prevent the crystallisation that blocks AdBlue injectors and lines
- 125ml bottle
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WYNNS 50664 Engine Oil Stop Leak Petrol Diesel Engines 325ml Repair
£9.69 inc. VAT
- Effectively stops and prevents minor engine oil leaks.
- Restores elasticity to hardened or shrunken rubber and neoprene oil seals.
- Compatible with all types of engine oil (mineral, semi-synthetic, synthetic).
- Suitable for use in both petrol and diesel engines.
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WYNNS Catalytic Converter Cleaner Fuel Additive 325ml Car Petrol Diesel
£12.49 inc. VAT
- Cleans and revitalizes catalytic converters
- Removes harmful carbon deposits and contaminants
- Restores optimal catalytic efficiency
- Helps reduce exhaust emissions
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WYNNS Diesel EGR Cleaner 200ml – Removes Carbon Deposits & Soot from EGR Valve
£11.49 inc. VAT
- Specifically designed for diesel EGR valves and systems
- Effectively removes carbon and soot deposits
- Restores optimal engine performance and efficiency
- Helps improve fuel economy
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WYNNS Diesel Particulate Filter Cleaner 325ml DPF Regeneration Additive
£12.49 inc. VAT
- Cleans and regenerates Diesel Particulate Filters
- Reduces soot build-up and blockages
- Improves engine performance and fuel economy
- Helps prevent costly DPF repairs or replacements
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Wynns Injector Decarbonizer 500ml 14355A Carbon Remover for Seized Injectors
£19.19 inc. VAT
- Softens the carbon deposits that lock injectors in place
- Penetrates hardened carbon quickly
- Helps dismantle blocked nozzles
- For diesel and petrol engines
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WYNNS Lead Substitute 250ml Fuel Additive Classic Car Valve Seat Protection
£9.69 inc. VAT
- Protects valve seats from wear and recession
- Essential for engines originally designed for leaded fuel
- Suitable for use with modern unleaded petrol
- Helps maintain engine compression and performance
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WYNNS Petrol EGR Cleaner 200ml Car Engine EGR Valve System Cleaner
£10.59 inc. VAT
- Specifically formulated for petrol engines
- Cleans and unblocks the EGR valve and system
- Removes stubborn carbon and varnish deposits
- Helps restore engine performance and responsiveness
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WYNNS Power Steering Stop Leak HPLS Hydraulic System Seal Repair 59408
£11.49 inc. VAT
- Stops and prevents power steering fluid leaks
- Rejuvenates and restores elasticity of rubber and neoprene seals
- Helps to reduce power steering noise and groans
- Compatible with most hydraulic power steering fluids
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WYNNS Pre-Emissions Test Treatment Petrol Engine Fuel Additive 325ml
£19.19 inc. VAT
- Reduces harmful exhaust emissions
- Optimizes combustion efficiency
- Cleans fuel injectors and valves
- Formulated specifically for petrol engines
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WYNNS Stop Smoke Oil Additive 50865 Petrol Diesel Engine Treatment 325ml
£7.79 inc. VAT
- Reduces excessive exhaust smoke
- Suitable for both petrol and diesel engines
- Improves oil viscosity at high temperatures
- Helps to reduce oil consumption
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WYNNS Xtreme Petrol Emissions Reducer Fuel System Cleaner Additive 325ml
£8.69 inc. VAT
- Reduces harmful exhaust emissions
- Cleans fuel injectors and combustion chamber
- Improves fuel combustion efficiency
- Restores lost engine performance and power
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10K BOOST Mass Air Flow MAF Sensor Cleaner Spray 200ml
£6.99 inc. VAT
Out of stock
- Specifically formulated for Mass Air Flow (MAF) sensors
- Helps restore engine performance
- Improves fuel efficiency
- Fast-drying formula
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Apec Refillable 1L Brake Cleaner Pump Dispenser Bottle Workshop Tool
£18.69 inc. VAT
Out of stock
- Pump dispenser mechanism
- Designed for brake cleaner
- 1-liter capacity
- Reusable/Refillable
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Cataclean 500ml Petrol Emissions Cleaner MOT Pass Exhaust System Additive
£12.79 inc. VAT
Out of stock
- Reduces harmful exhaust emissions
- Helps pass MOT emissions test
- Cleans catalytic converter & oxygen sensors
- Restores engine performance & fuel efficiency
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Cataclean Diesel DPF Fuel System Cleaner Additive 500ml
£19.19 inc. VAT
Out of stock
- Cleans entire diesel fuel system
- Helps reduce harmful exhaust emissions
- Aids in cleaning catalytic converters
- Supports Diesel Particulate Filter (DPF) regeneration
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Cataclean Hybrid Fuel & Exhaust System Cleaner 500ml CAT008
£12.79 inc. VAT
Out of stock
- Fuel system cleaner
- Exhaust system cleaner
- Formulated for hybrid vehicles
- 500ml volume
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COMMA AIRCC Air Conditioning System Cleaner Aerosol 150ml Car Van
£9.79 inc. VAT
Out of stock
- Air conditioning system cleaner
- Aerosol format
- Volume: 150ml
- Brand: COMMA
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ESPUMA Rhino 105 Heavy Duty TFR & Degreaser Concentrate 5L
£15.39 inc. VAT
Out of stock
- Highly concentrated formula for economical use
- Dual-action: Traffic Film Remover (TFR) and powerful degreaser
- Effectively removes road grime, oil, grease, and dirt
- Suitable for use on cars, trucks, vans, and other commercial vehicles
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ESPUMA Rhino 105 Traffic Film Remover Degreaser Concentrate 25L
£22.39 inc. VAT
Out of stock
- Highly concentrated formula
- Effective Traffic Film Remover (TFR)
- Powerful degreasing action
- Large 25 Litre container
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GUNK 1L Driveway Concrete Oil Grease Stain Remover Degreaser
£9.29 inc. VAT
Out of stock
- Powerful cleaning action for stubborn stains
- Effectively removes oil, grease, and dirt
- Suitable for use on concrete, asphalt, and paved surfaces
- Restores the aesthetic appeal of driveways and garage floors
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