Battery Testers · May 30, 2025

The Ultimate Coolant Tester for Year-Round Vehicle Protection

The Ultimate Coolant Tester for Year-Round Vehicle Protection

Keeping your vehicle’s cooling system in top condition is essential for engine health, especially with the UK’s unpredictable weather. The Rapid Test Coolant Tester from SIXRUN is a must-have tool for motorists who want quick, accurate measurements of their coolant’s freezing and boiling points. Whether preparing for winter frost or summer heat, this compact device ensures your engine stays protected.

Key Features & Performance

Fast & Accurate Readings

This tester delivers instant results, eliminating the guesswork when checking coolant strength. The easy-to-read scale and pointer provide precise measurements in both °C and °F, ensuring compatibility with all vehicle manuals. Unlike digital testers that require batteries, this hydrometer-style tool works reliably without power, making it a dependable choice for roadside checks.

Dual-Season Protection

Coolant effectiveness varies with temperature, and this tester covers both critical ranges:

  • Freezing Point: Ensures antifreeze protection in winter, preventing engine block damage.
  • Boiling Point: Verifies summer coolant stability, reducing overheating risks.

Portable & Lightweight

Weighing just 74 grams and measuring 19 x 8 x 4 cm, this tester fits easily in glove compartments or toolkits. Its durable plastic construction resists leaks and breakage, making it ideal for mechanics and DIY enthusiasts alike.

Simple to Use

No complex setup is needed—just draw coolant into the tester, check the scale, and get an immediate reading. The colour-coded indicators help identify weak or strong coolant mixtures, ensuring optimal engine protection.

Customer Feedback

Many users praise its speed and reliability:

  • “A lifesaver before winter—checked my coolant in seconds!” – Mark T.
  • “No more guessing if my antifreeze is strong enough. Works perfectly every time.” – Sarah L.
  • “Small but incredibly useful. Keeps my classic car’s cooling system in check.” – James R.

Final Verdict

For drivers who value efficiency and accuracy, the SIXRUN Rapid Test Coolant Tester is an essential tool. Its dual-function testing, portability, and ease of use make it a standout choice for maintaining engine health year-round.

ASIN: B0CXSSNQKD

Available for Amazon Prime