Zosgrew Car Antifreeze Tester, Dial Type Anti Freeze Checker, Precision Hydrometer Coolant Tester, Universal Car Accessories (Black)

Durable Construction: Featuring a sturdy PC body with excellent transparency and toughness, this tester incorporates silicone components for a secure, comfortable grip and enhanced durability, extending engine life. Its compact size allows for convenient storage in your toolbox or glove compartment.

Core Functionality: This professional coolant tester is designed to quickly and accurately measure the concentration of your vehicle's coolant. Equipped with a high-precision sensor and clear dial, it delivers easy-to-read results in both °C and °F. It effectively detects the freezing point for winter protection and the boiling point for summer use, helping you identify potential cooling system issues before they become serious.

Simple Steps: Ensure the engine is cool before use. Insert the hose into the coolant reservoir, squeeze the bulb to draw liquid until it aligns with the level mark, then read the indicated value on the dial for freezing or boiling point, keeping the red float vertical.

Wide Compatibility: This antifreeze tester helps verify proper mixing ratios, ensuring optimal engine temperature regulation and preventing costly damage from overheating or freezing in diverse climates. Suitable for most car, truck, and SUV owners performing routine maintenance or monitoring vehicle condition.

Product Details: Package includes 1 automotive antifreeze tester, ready to use out of the box. Tester features a 1.77 inches diameter spherical plunger, 3.94 in x 0.67 in measuring chamber, and 5.31in x 0.43 in hose dimensions. Please verify product dimensions before purchase to avoid unnecessary inconvenience.