Best Gunson in 2026

Antifreeze and coolant tester

For Ethylene Glycol

Can be used warm or cold

Operates on all 12 volt ignition systems

Xenon bulb providing Brilliant Blue/White (Replacement available 77009)

1,000,000 flash capacity

Checks the alignment of steered wheels on cars and light commercials

It is a roller bearing platform over which one front wheel is slowly driven with the wheels in their straight ahead position.

Tests accuracy in only 5 minutes

Strong, robust tool

Ideal tool for use on the car when it is not possible to use a bench folding machine or in tight areas

Complete with a black finish with dipped handles

ZEREX DEX-COOL antifreeze coolant is approved by General Motors to the GM 6277M specification

ZEREX DEX-COOL antifreeze coolant contains no phosphates, silicates, borates, nitrates, amines and nitrites

Valvoline ZEREX DEX-COOL antifreeze coolant is a patented* carboxylate formulation with a service life of up to five years or 150,000 miles

UNSURPASSED FREEZE PROTECTION AND ANTI-BOIL PERFORMANCE outperforms industry standards

ORGANIC ACID TECHNOLOGY RESISTS RUST, SCALE & CORROSION while protecting all cooling system metals (including aluminum)

HIGH-QUALITY ADDITIVES PROTECT AGAINST LEAKS and won’t harm gaskets, hoses, plastics or original vehicle finish

The formulation is designed for both gasoline and diesel engines

Its lower-silicate, reduced pH, phosphate free European technology protects all cooling system metals, including aluminum, from corrosion

ZEREX G-05 is a nitrite containing coolant designed to protect diesel engine cylinder liners from cavitation. It contains deposit control additives for protection from hard water deposits and scale

No.1 selling brand of gas-line antifreeze and water remover

Safe for use in all 4-cycle engines including fuel injected engines

Prevents gas-line freeze up

See product description below for vehicle fitment or to verify fitment for your specific vehicle, please contact us, and provide us with your VIN that can be found on your vehicle or your insurance card.

QUICK FILL: The 50/50 Premix formula allows for quick fill and is safe for use with hard water

OUTSTANDING PROTECTION: 50/50 Premix Extended Life Antifreeze is specifically engineered for Polaris 2 and 4-cycle engines to provide extreme temperature boil-over protection and freeze protection down to -34° F (-37° C)

1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.

PROTECTS: Advanced formulation prevents rust & corrosion protecting all engine cooling system components

DESIGNED FOR ASIAN VEHICLES: Recommended for use with Lexus, Scion, and Toyota vehicles that require a RED/PINK Phosphate-Enhanced Organic Acid Technology (POAT) formula

Engine Ice Hi-Performance Coolant is biodegradable, phosphate free & non-toxic; typically reduces operating race temperatures and effectively keeping boil over temperatures to 256 Degree Fahrenheit or less and freeze-up protection to -26 Degree F

With an average reduction in operating temperatures of 10 Degree Fahrenheit - 20 Degree Fahrenheit Engine Ice is perfect for racing or street, motorcycle or auto, ATV or snow machine

Engine Ice Hi-Performance Coolant is legal in CCS and ASRA road racing and permitted at many tracks around the world

Contains a bittering agent

Content 150 ml

Suitable for aluminum radiators

Permanently and reliably seals hairline cracks and minor leaks

Protects against boil over to 265°F and freezing to -26°F

Reduces engine wear and inhibits corrosion

Safe for all radiators and all gas/diesel engines

Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol.Measuring Range: -50 to 0 ℃.

Function 2: Measuring specific gravity of battery acid and provide a quick reference of battery charge condition.Measuring Range:1.10 to 1.40 kg/l

Function 3: Measuring windshield washer fluid based on ethanol or isopropyl alcohol.Measuring Range:-40 to 0 ℃

Antifreeze Coolant, 1 gal., 50/50 - AF2100

Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.

Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula

Antifreeze Coolant, 1 gal., 50/50 - AF2100

Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.

Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula

EFFORTLESSLY TEST YOUR ANTI FREEZE MIXTURE: Antifreeze, also known as coolant, is designed to prevent water from freezing up in cold climates and to prevent your engine from overheating which can cause mechanical breakdowns and engine failure; Avoid these issues by testing your coolant mixture with the ABN Deluxe Car Antifreeze Coolant Test Kit

BUILT TO LAST: Constructed of premium plastic and rubber materials, this antifreeze tester is designed to easily test freezing and boiling temperatures of your coolant to water solutions; The large rubber bulb and 5.5-inch (14 cm) rubber tube makes it easy to suck liquid into the small plastic reservoir; Easy to read stickers allow you to test the solution and provides instructions; Flush out with water after each use for accurate readings

CLEAR TESTER FOR VISUAL INSPECTION: As a bonus, the clear reservoir allows you to inspect the condition of the antifreeze in your vehicle; Easily inspect color and for any rust, sludge, or other sediments

Antifreeze and coolant tester

For Ethylene Glycol

Can be used warm or cold

Designed for use with recreational vehicles, boats, spas, pools, and vacation homes

Formulated for -50 degree F burst protection

Convenient, ready-to-use solution

The formulation is designed for both gasoline and diesel engines

Its lower-silicate, reduced pH, phosphate free European technology protects all cooling system metals, including aluminum, from corrosion

ZEREX G-05 is a nitrite containing coolant designed to protect diesel engine cylinder liners from cavitation. It contains deposit control additives for protection from hard water deposits and scale

Patented low-silicate chemistry for heavy-duty applications with use of SCA

Patented corrosion inhibitor package provides rust and corrosion protection

The 50/50 mixture provides protection down to -34 Degree Fahrenheit

Coats and helps protect key cooling system metals from corrosion

Can be added to antifreeze and coolants between changes to boost the depleted corrosion protection

Will not cause over-addition problems such as reduced heat transfer or inhibitor precipitation

▶️ Made of High Quality T-6061 Aluminum Material

▶️ Natural Satin Finish / .11" Thick Walls

▶️ 3/8" Female NPT Inlet / 1/2" Female NPT Outlet

Checking Freezing Point Hydrometer: This antifreeze tester measures range is -50℃ to 0 ℃, designed for measuring of freezing point of automobile antifreeze based on ethylene glycol or polypropylene glycol.

Battery Checker: measuring specific gravity of car battery acid, measuring range 1.10 to 1.40 kg/l and allow you quick to know battery charge condition

Windshield Washer Fluid Checking: Measuring range between -40℃ to 0 ℃. Refractometer for measruing windshild washer fluid based on ethanol or isopropyl alcoho

Combo Pack contains two 64 oz. bottles of Evans Powersports Waterless Coolant with a 1 gallon bottle of Evans Prep Fluid for a complete coolant swap. This product contains a bittering agent.

Evans Powersports Waterless Coolant is specifically designed for MX Bikes, Trail Bikes, Enduro Bikes, Street Bikes, Quad Bikes, ATVs, UTVs and Snowmobiles

Evans Waterless Coolants have a boiling point above 375 Degree Fahrenheit and will not vaporize, eliminating overheating, boil-over and after-boil, while generating very low vapor pressures reducing strain on engine cooling system components

【3-IN-1 REFRACTOMETER】Measuring specific gravity of rechargeable battery acid: 1.100~1.400kg/L,freezing point of automobile antifreeze based on ethylene glycol or propylene glycol :-50 to 0 ℃,and windshield wash Fluid:-40 to 0 ℃.It's very convenient to use the antifreeze refractometer which can test once get three results.

【ATC FUNCTION】This antifreeze tester features ATC function, no worry about the ambient temperature changes any more and can get the accurate readings.

【EASY TO USE】It is easy to use the antifreeze refractometer.After calibration,put 2-3 drops of sample solution on prism, and towards light,then get the accurate readings.

Just need the Anti-freeze? This is the kit for you. This kit uses -50 degree antifreeze. Our kit includes enough for 1 engine.

Kit includes: (Qty - Description)

5 - 1 Gal. -50 Anti-Freeze 1 - 12 Oz Aerosol Fogging Oil

Premium quality accurate and Reliable: Our antifreeze refractometer is designed to provide precise and dependable readings, ensuring accurate measurements of the freezing point and concentration of antifreeze solutions.

Easy to Use: With its user-friendly design, our refractometer allows for quick and effortless testing. Simply place a few drops of the antifreeze sample on the prism, close the cover, and read the results through the eyepiece.

Wide Range of Applications: Our refractometer is not limited to antifreeze solutions. It can also be used to measure and monitor the concentration of other industrial fluids like glycol-based coolants, battery electrolytes, and windshield washer fluids.

Developed with top SXS and Off-Road Class racers, Off-Road Coolant has been tested and proven in the harshest and most extreme environments, specially designed for large volume cooling systems 2 gallons or more

Premium ethylene glycol and pure deionized water are combined with an advanced additive system to provide ultimate protection against rust, corrosion, cavitation and foaming while providing water pump and seal lubrication for steel, aluminum and magnesium engines

Ready-to-use formulation requires no mixing, and is compatible mixing with OE fluids