The STP Ultra 5in1 ultra diesel System Cleaner is a 400ml treatment designed specifically for diesel engines. Made in Germany, this concentrated liquid cleaner is used to boost engine power and improve performance. It is a fuel injector cleaner that targets deposits and buildup, ensuring optimal fuel efficiency and smooth operation. Ideal for regular use, this product from STP is a must-have for anyone looking to maintain the health and efficiency of their vehicle's engine.
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