Automotive Brake Fluid Tester – LED Display – For DOT3 / DOT4 / DOT5.1 – Car Brake Oil Quality Check Tool. 🔧Supports DOT3, DOT4, and DOT5.1. 1 x Brake Fluid Tester. Turn on the tester. Easy-to-read, colour-coded LED lights clearly indicate fluid condition – Green for Good, Yellow for Warning, Red for Replace.
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