Cooling System

The Spill-Free Funnel eliminates trapped air pockets which can cause erratic cooling system and heater performance. It controls the amount of coolant entering the system and enables unattended filling of the cooling system. Improved with a Straight...

A quick, easy way to pinch off vacuum lines, fuel lines, brake lines, etc. without damaging the line. Sold two per set.

Adjustable Jaws Fit All Clamp Sizes for Easy Removal and Installation. This tool removes and installs flat band hose clamps used on heater and radiator hoses. Tips screw in and out to fit all clamp sizes. Ratcheting lock mechanism.

Works on all GM NorthStar vehicles

Dual Chamber filters out alkaline particles that may cause a false positive. Higher accuracy test vs. Single chamber units. Universal test solution for gas and diesel stock just one chemical. Most competing kits use two chemicals. Custom foam lined...

OTC Tool number 7991 universal collant pressure test kit which works on many vehicles with few adapters. Now you can pressure test the cooling system on most cars, light commercial trucks, motorcycles and even marine applications. The tester's universal...

Tool are used to relieve clamp spring pressure in very tight spots. Vise is often left in place, with the clamp compressed, during service. Ramp on jaws guides tab of clamp into correct position and traps it in the slot for safety. Tighten knurled knob...

Tool are used to relieve clamp spring pressure in very tight spots. Vise is often left in place, with the clamp compressed, during service. Ramp on jaws guides tab of clamp into correct position and traps it in the slot for safety. Tighten knurled knob...

Performs pressure, vacuum & temperature diagnostics and refills cooling systems in minutes. The MV4525 is the most innovative, advanced automotive cooling system tester ever designed. It is the first and only tester developed specifically to run...

Designed to fit most domestic & foreign major car brands. Includes pressure testing pump with gauge and hose, thermometer, four chromed steel cap adapters, and eight anodized aluminum cap adapters. Includes a quick-connect adapter to allow use with...

The FJC 43610 allows you to use the shop compressor to to evacuate, leak test, & refill coolant Universal cone shaped "plunger" to fit multiple applications Weight: 3.15 lbs 14.6 x 3.5 x 9.6 inches

The Astro Pneumatic Radiator Pressure Tester was designed for easy leak testing in radiator systems and fast coolant changing.  Thie large number of adapters makes this kit ideal for a broad range of  domestic and import vehicles ...