Mastercool

This R134A to 1234YF conversion kit is a must-have for any car or truck that uses R134A refrigerant. This kit allows you to convert your car or truck to use R-134A refrigerant, which is a more...

This is a true UV flashlight that emits a bright light in the UV spectrum. It is perfect for inspecting items for damage or detecting hidden objects.

This is a HD vacuum type cooling system filler kit. This kit includes a vacuum pump, hoses, and fittings to connect to your cooling system. This kit is designed to help keep your engine cool during...

This is a combustion gas leak test kit that can be used to test for leaks in combustion systems.

The R134a/R1234yf Complete A/C Recovery System is a must-have for any vehicle that uses air conditioning. This system is designed to quickly and easily recover from a failed A/C system.

This dual aluminum gauge set is a great addition to any workshop. The gauge set includes a 1234YF gauge and a 134A gauge. The 1234YF gauge is a 1/4 inch gauge and the 134A gauge is a 3/8 inch gauge...

This is a dual brass gauge set. It includes two brass gauges, each with a different measurement. The set is perfect for measuring small quantities of liquids, such as oil or water.

This Radiator Pressure Test Kit is perfect for checking the pressure in your car's radiator. It includes 27 pieces, and it's easy to use.

This is a visual inspection sight glass for R1234YF refrigerant oil. It is made of clear glass and has a metal frame. It is designed to help technicians see the condition of refrigerant oil.

This is a vacuum type cooling system refill kit for the Mastercool MSC43013. This kit includes a new cooling system and all necessary parts to install it.

-83934 This is a low side R1234yf coupler.

The Mastercool MSC67434 high side quick coupler is a must-have for any high side system. This coupler is designed to connect two high side systems together quickly and easily. It is made from high...

The Mastercool MSC67534 Low Side Quick Coupler is a quick coupling that is designed for use with Mastercool's MSC67534 water pump. This quick coupling allows the user to connect the pump to the water...

The Mastercool MSC69360-YF R1234YF Complete Refrigerant Recovery Machine recovers refrigerant from failed or old refrigerants. It is a high-efficiency machine that recovers up to 95% of refrigerant.

This Mastercool MSC72400 GM Fuel Line Flaring Kit is a must-have for any GM vehicle. This kit flares the fuel line to prevent any potential fuel line obstructions. This kit is easy to install and...