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YW-791L Portable Pen Automotive DOT 4 Oil Brake Fluid Tester
$40$54.05-25.99%
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Features
Accurate & Reliable DOT 4 Brake Fluid Testing
High-precision sensor technology ensures fast and accurate moisture content readings (0%-4% water content) to maintain optimal braking performance.
Portable & User-Friendly Design
Compact pen-style construction with a built-in LCD display for on-the-go testing. No batteries required—easy operation with a single button.
Durable & Premium Build
Features corrosion-resistant stainless steel probes and shockproof ABS housing for long-lasting durability in harsh automotive environments.
Wide Compatibility
Specifically designed for DOT 4 brake fluid but also compatible with DOT 3 and DOT 5.1 fluids. Ideal for mechanics, car enthusiasts, and fleet maintenance.
Instant Safety Check
Prevents brake failure by detecting fluid degradation early. Essential for regular vehicle maintenance, racing, and long-distance travel.
Bulk Purchase Advantage
Global wholesale pricing ensures the lowest cost per unit for large orders, making it perfect for workshops and auto retailers.
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