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STP Super Seal A/C Stop Leak

This air conditioning treatment contains chemicals activated by moisture to form a patch over minor leaks as refrigerant circulates through the system...

From Car Smart

£ 26.99

STP Auto Air Con Cleaner

STP Air Con Cleaner helps clean and refresh your vehicle's A/C system in just 10 minutes. Over time, bacteria build up inside the system, causing bad ...

From Car Smart

£ 8.39

STP Diesel Injector Cleaner 200ml

STP Diesel Injector Cleaner is a concentrated additive designed to unclog dirty injectors in regular and bio-diesel engines with just one tankful. It ...

From Car Smart

£ 8.39

STP Engine Flush 450ml

STP Engine Flush is designed to remove harmful sludge and deposits from your engine, helping to maintain performance. Suitable for both petrol and die...

From Car Smart

£ 7.69

STP R134a Aircon Recharge Trigger & Gauge

This reusable aircon tool includes a colour-coded calibration guide for straightforward operation. It can be used independently to check your air cond...

From Car Smart

£ 22.00

STP Power Steering Fluid 350ml

STP power steering fluid lubricates and protects the power steering pump and system components. The formulation includes anti-wear and anti-oxidant ad...

From Car Smart

£ 7.49

STP Petrol Treatment 200ml

STP Petrol Treatment is a fuel additive designed to reduce fuel consumption and protect your engine. It fights rust in the fuel system, reduces intake...

From Car Smart

£ 6.89

STP Air Con Recharge R234YF Refrigerant

STP air conditioning refrigerant is formulated with an advanced patented additives package to help lubricate and seal common leaks. It restores lost r...

From Car Smart

£ 122.00

STP Air Con Recharge R134a Refrigerant

STP Air Con Recharge contains R134a refrigerant formulated with an advanced patented additives package designed to help lubricate and seal common leak...

From Car Smart

£ 100.00

STP Digital R134a Aircon Recharge Gauge

Re-usable digital gauge for R134a air conditioning systems that eliminates guesswork with on-screen pressure readings and integrated instructions, rem...

From Car Smart

£ 29.99

STP Petrol Fuel System Cleaner 400ml

STP's advanced petrol fuel system cleaner reduces hard starts, engine hesitation, knocks and pings whilst restoring lost power and acceleration. The f...

From Car Smart

£ 13.00

STP Professional Engine Degreaser 500ml

A powerful solvent-based degreaser designed for car, lorry, van and tractor engines. The formula penetrates and dissolves heavy dirt and deposits, com...

From Car Smart

£ 6.59

STP Recharge Trigger & Gauge R1234YF

Reuseable air conditioning tool with colour-coded calibration that lets you check refrigerant levels and charge your A/C system. Use it independently ...

From Car Smart

£ 38.00

STP Oil Treatment 450ml

STP Oil Treatment fortifies your motor oil with anti-wear, anti-friction and anti-oxidant agents to enhance engine protection. The formula boosts visc...

From Car Smart

£ 9.29

STP Smoke Treatment 450ml

STP Smoke Treatment is an oil additive designed for use in petrol engines between oil changes. It contains alkaline-based acid inhibitors and rust inh...

From Car Smart

£ 9.29

STP Fuel Injector Cleaner 200ml

STP Fuel Injector Cleaner restores power and acceleration while smoothing out rough idling by cleaning and conditioning the fuel delivery system. The ...

From Car Smart

£ 8.39

STP Diesel Treatment 200ml

STP Diesel Treatment helps restore lost power and performance whilst keeping injectors and fuel systems clean for peak operation. It improves cold sta...

From Car Smart

£ 7.69

STP Oil Treatment Gearbox 150ml

STP Oil Treatment is designed to enhance lubrication in gearboxes, transmissions, differentials, back axles and steering boxes. The formula reaches ha...

From Car Smart

£ 11.99

STP Carb Cleaner Spray 500ml

STP Carb Cleaner Spray is a fast-acting spray designed to keep carburettors in peak condition by preventing the build-up of harmful deposits. It clean...

From Car Smart

£ 7.49