Radiator Cap Sizes

The surprisingly wide range of radiator caps.

Radiator cap sizes.

There is one coolant cap that is quite different others. A vented coolant cap sometimes referred to as a partial pressure cap. Gates manufactures our oe quality radiator caps and cool control caps for your heavy duty vehicle applications with a selection of durable wear resistant radiator caps for automotive applications without. Our caps are available in a range of pressure and size options.

Please confirm what style your application uses prior to ordering. And over time your fuel costs will also increase. You have new quote information. The top portion of the radiator cap will list the pressure rating.

Always use a cap of the correct pressure for your cooling system. How to choose the right radiator cap by dimension pressure and size. They are mostly standard sizes but some of the older ones were taller than later ones. Some people think this cap is broken when they first see it because the part that goes into the fill pipe to seal the system wobbles this is a vented coolant cap.

Replacing your radiator cap regularly can save your customer money at the pump and save wear and tear on your cooling sytem overall. Stant s decades of knowledge and expertise provide solutions for all of your pressure closure needs. Radiator caps are critical to catch coolant overflow keeping your engine cooling system operating at optimal pressure and temperature and your vehicle operating at optimal performance. Stant radiator caps are the preferred choice of many industrial heavy duty diesel and agricultural manufacturers by providing a high level of both performance and durability.

The greater the pressure a liquid is under the hotter it must be before it boils. If you do not have the equipment to do the radiator cap pressure testing you can have it done at a shop. Radiator cap cv series 18 5mm 34 0mm 81 0mm 2 75. You may find that it is beneficial to test the cap so that you can be sure that it is working properly.

Higher pressure will tear the radiator apart. Radium radiator caps are designed for mini size 32mm id radiator necks only. If you have the stock radiator then you want the stock pressure cap. Caps have a seal that can wear away over time.

Think of the cap rating in pounds per square inch and the force pulling the tank apart as the psi times the square inches of tank surface. By daniel stern part 2 of a series the radiator cap seals the coolant off from the outside air and allows a certain amount of pressure to build in the cooling system to raise the boiling point of the coolant in the system. See tables 1 to 4 and figures 1 to 4. As shown below radium engineering coolant expansion tanks require a type a style radiator cap.

Use of these dimensions will preclude the use of a high pressure rated cap on low pressure systems for the small and medium size applications.