Car Radiator Cap Sizes

The surprisingly wide range of radiator caps.

Car radiator cap sizes.

Make offer 1913 14 dogbone boyce moto meter universal model car radiator cap hood ornament. Radiator cap cv series 18 5mm 34 0mm 81 0mm 2 75. 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. 1 08 3 11 plastic cap threaded.

Made from premium materials. 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. Click product link for more information. If you have the stock radiator then you want the stock pressure cap.

A faulty radiator cap can cause your car to boil over at a lower temperature. Click product link for more information. Click product link for more information. 1 3 bar 18lb pressure.

For example let s say your classic car normally runs at 180 190 and boiling is not a concern. Radiator caps and filler necks j164 200502 this sae standard was developed primarily for passenger car and truck application but may be used in marine industrial and similar applications. 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. Rubber upper and lower seals.

The purpose of this document is to provide dimensions for the different pressure ratings of boyonet type radiator pressure caps and filler necks. Meets original equipment specifications. 1 48 2 54 plastic cap threaded. The real purpose of pressurizing is to give drivers a higher operating zone in case of extreme conditions.

Test or replace the coolant cap when servicing the cooling system. 2 36 surge tank cap. Vintage radiator cap mascot hood ornament brass statue street boy rat rod figure. 65mm ear to ear.

The greater the pressure a liquid is under the hotter it must be before it boils. Plastic cap threaded. The swiv el design allows the cap to be installed and removed much easier than conventional radiator caps. Higher pressure will tear the radiator apart.

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. A system with 15 psi cap will add 45 degrees for a final boiling point of 268 degrees. 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.