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Various bottles to aid in improving car performance

Additives

Premium Car Additives for Peak Performance | Tadhg Hawes Motor Parts

Keep your engine running smoother, cleaner, and more efficiently with our range of high-quality car additives. From fuel system cleaners to oil treatments and engine protectants, our trusted formulas help enhance performance, reduce wear, and improve fuel efficiency. Shop now for top-tier additives that keep your vehicle at its best!

Original price €42.99 - Original price €42.99
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LIQUI MOLY Pro-Line Diesel System Cleaner 500Ml

LIQUI MOLY

LIQUI MOLY Diesel Emissions Reducer – Optimized Smoke Opacity & Cleaner Fuel System Reduce harmful emissions and improve smoke opacity before ...

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LIQUI MOLY PAG Air Conditioning Oil 46 250ML

LIQUI MOLY

LIQUI MOLY Fluorescent PAG Air Conditioning Oil – Premium Lubrication for R134a Systems Ensure optimal air conditioning performance with LIQUI MOL...

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LIQUI MOLY CERA TEC 300ML

LIQUI MOLY

LIQUI MOLY Ceramic Wear Protection – Advanced Engine & Gearbox Protection Enhance your engine’s longevity and efficiency with LIQUI MOLY Ceram...

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LIQUI MOLY Radiator Cleaner Flush 300ML

LIQUI MOLY

LIQUI MOLY Radiator Cleaner – Restore Cooling Efficiency Over time, deposits in the cooling and heating system can lead to blockages, inefficient ...

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LIQUI MOLY Lead Substitute 250ML

LIQUI MOLY

LIQUI MOLY Lead Substitute – Protect Your Classic Engine LIQUI MOLY Lead Substitute is designed to lubricate and safeguard valve seat inserts in o...

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Current price €9.89
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Power Maxed Power Steering Stop Squeak & Leak 325ml

Power Maxed

Power Maxed Power Steering Stop Leak – 325ml Restore and protect your power steering system with Power Maxed Power Steering Stop Leak. This advanc...

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Original price €10.99
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Current price €9.89
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Original price €7.99
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Power Maxed Stop Smoke Oil Treatment Petrol & Diesel 325ml

Power Maxed

Power Maxed Stop Smoke Oil Treatment – 325ml Reduce smoke emissions and enhance engine performance with Power Maxed Stop Smoke Oil Treatment. This...

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Original price €7.99
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Original price €4.99
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Current price €4.49
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Power Maxed Radiator Flush 325ml

Power Maxed

p>Power Maxed Radiator Flush – 325ml Revitalize your vehicle’s cooling system with Power Maxed Radiator Flush, the ultimate concentrated coolan...

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Original price €4.99
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Power Maxed Petrol/Diesel Engine Oil Flush 325ml

Power Maxed

Power Maxed Engine Flush – 325ml Restore and unleash your engine’s full potential with Power Maxed Engine Flush. This fast-acting 325ml formula is...

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Original price €4.99
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Original price €7.99
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Power Maxed Hydraulic Valve Lifter Treatment 325 ml

Power Maxed

Power Maxed Hydraulic Valve Treatment – 325ml Restore smooth, quiet engine performance with Power Maxed Hydraulic Valve Treatment, a high-quality ...

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Power Maxed Engine Oil Stop Leak 325ml

Power Maxed

Power Maxed Engine Oil Stop Leak – 325ml Seal and prevent oil leaks with Power Maxed Engine Oil Stop Leak, a powerful 325ml formula designed to re...

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Original price €61.99
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Current price €55.79
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Power Maxed Diesel Turbo Cleaner Kit

Power Maxed

Power Maxed Diesel Turbo Cleaner Kit – Turbo Revitalization Made Easy Revitalize your diesel turbo system with the Power Maxed Diesel Turbo Cleane...

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Original price €61.99
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Current price €55.79
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Original price €14.99
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Power Maxed Diesel Particulate Filter Cleaner 325ml

Power Maxed

Power Maxed Diesel Particulate Filter Cleaner – 325ml Optimize your diesel engine’s performance and reduce harmful emissions with Power Maxed Dies...

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Original price €14.99
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Original price €7.99
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Power Maxed Autobox Treatment Stop Slip 325ml

Power Maxed

Power Maxed Stop Leak & Slip Auto Gearbox Treatment – 325ml Ensure smooth, trouble-free gear shifts with Power Maxed Stop Leak & Slip Auto...

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Original price €25.99 - Original price €25.99
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HOLTS Wondarweld 500ml

HOLTS

Heavy-Duty Engine Repair – Fixes cracks and leaks in engine blocks, cylinder head gaskets, and water pump gaskets. Permanently Seals Leaks – Pro...

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Original price €25.99 - Original price €25.99
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HOLTS Speedflush 250Ml

HOLTS

Holts Speedflush is a powerful radiator and cooling system cleaner designed to remove harmful scale, sludge, and deposits. Quickly clears blocked...

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Original price €5.99 - Original price €5.99
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HOLTS Deionised Water 1L

HOLTS

Holts De-Ionised Water prevents scale buildup and protects vehicle components from damage. Removes corrosive impurities found in untreated water....

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Original price €2.99 - Original price €2.99
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Original price €8.99 - Original price €8.99
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REDEX Petrol Treatment 100% Extra Free

REDEX

Reduces Emissions – Formulated to lower harmful exhaust emissions, improving environmental impact. Restores Engine Performance – Cleans fuel inj...

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Original price €8.99 - Original price €8.99
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MANNOL Radiator Flush MN9965

MANNOL

Radiator Flush is a high-performance cooling system cleaner designed for internal combustion engines (ICE) and interior heating systems. Compati...

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Original price €8.99 - Original price €9.99
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Original price €6.99
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MANNOL Pre-Paint Silicone Remover 450ml MN9890

MANNOL

Pre-Paint Silicone Remover is a specialized cleaner designed to remove hardened and fresh silicone sealant, as well as other silicone-containing ...

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Original price €6.99
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MANNOL Power Steering Leak-Stop 250Ml MN9923

MANNOL

Power Steering Leak-Stop is a special additive designed to prevent and eliminate leaks in the power steering system. Effectively seals leaks in ...

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Original price €7.99
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Current price €7.19
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MANNOL Oil Leak-Stop 0.25L MN9423

MANNOL

Oil Leak-Stop is a special engine oil additive made using unique technologies. Compatible with any engine oil and suitable for any type of engine...

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Original price €7.99
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Current price €7.19
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Original price €20.99
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Current price €18.89
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MANNOL Octane Plus 450Ml MN9954

MANNOL

Octane Booster & Fuel System Cleaner is a special additive that increases octane levels and provides powerful detergent properties. Suitable...

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Original price €20.99
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Current price €18.89
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Original price €10.99
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Current price €9.89
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MANNOL Motor Starter 0.5L MN9669

MANNOL

Motor Starter is a special aerosol product designed to facilitate the start of diesel (including those with pump injectors and common rail system...

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Original price €10.99
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Current price €9.89
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