Radiator Cap Sizes

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.

Radiator cap sizes.

A vented coolant cap sometimes referred to as a partial pressure cap. 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. Radium radiator caps are designed for mini size 32mm id radiator necks only.

The top portion of the radiator cap will list the pressure rating. There is one coolant cap that is quite different others. You may find that it is beneficial to test the cap so that you can be sure that it is working properly. M m radiator cap cp series 52 0mm 81 0mm 39 5mm radiator cap ct series 63 0mm 64 0mm 39 5mm radiator cap cw series 39 0mm 53 0mm 59 0mm 34 5mm 38 5mm radiator cap cr series 63 0mm 21 0mm radiator cap cu series 50 0mm 65 0mm 38 0mm radiator cap cx series 29 5mm 49 5mm.

Always use a cap of the correct pressure for your cooling system. And over time your fuel costs will also increase. 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. 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.

The purpose of this document is to provide dimensions for the different pressure ratings of boyonet type radiator pressure caps and filler necks. Caps have a seal that can wear away over time. 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. Higher pressure will tear the radiator apart.

Please confirm what style your application uses prior to ordering. See tables 1 to 4 and figures 1 to 4. Radiator cap cv series 18 5mm 34 0mm 81 0mm 2 75. Our caps are available in a range of pressure and size options.

As shown below radium engineering coolant expansion tanks require a type a style radiator cap. 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. The greater the pressure a liquid is under the hotter it must be before it boils. Stant s decades of knowledge and expertise provide solutions for all of your pressure closure needs.

If you have the stock radiator then you want the stock pressure cap. They are mostly standard sizes but some of the older ones were taller than later ones. How to choose the right radiator cap by dimension pressure and size. 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.

Available in 2 common styles type a and type b.