STP is a trusted name in vehicle maintenance, offering practical, workshop-proven products that help keep your car running smoothly and looking fresh. This selection covers interior care, engine oil additives, and air conditioning diagnostics / recharge solutions — ideal for DIY users, garages, and anyone who wants to extend component life and improve performance. Interior cleaners & protectants For keeping cabins looking (and smelling) like you’ve just picked the car up from the dealership, STP provides easy-to-use interior sprays and foams: Tuff Stuff Fabric Foam Cleaner lifts dirt from upholstery and interior fabrics with a deep-cleaning foam action. Cockpit Shine (New Car / Vanilla) restores dashboard and trim shine while helping refresh interior appearance. Son Of A Gun Protectant adds a protective layer to interior plastics and vinyl, helping guard against drying, fading, and UV damage. Engine oil treatments & system cleaners STP oil treatments are formulated to support lubrication performance and help reduce wear: Oil Treatment Petrol / STPS Petrol Oil Treatment helps improve lubrication and engine protection in petrol vehicles. Diesel Oil Treatment supports diesel engines with added wear protection. Engine Flush is a pre-oil-change cleaner designed to help remove deposits and sludge before draining old oil. Air conditioning diagnostic & recharge tools If your air con feels more “sad desk fan” than “Arctic blast”, the A/C Pro range helps you check performance and top-up responsibly: Pressure reading & charging tools for checking system pressure and assisting with recharging. R1234yf charging gun and R1234yf refrigerant options for compatible systems. A/C Pro test thermometer for measuring vent temperatures and diagnosing output. Whether you’re detailing the cabin, prepping for an oil change, or troubleshooting A/C performance, STP products give you simple, effective results with minimal hassle.